Sophie: howto-text-ja-2006-5mdv2010.0 noarch

howto-text-ja-2006-5mdv2010.0.noarch.rpm

  Root RAID HOWTO cookbook
  Michael A. Robinton, michael@bzs.org
  <mailto:michael@bzs.org>
  v1.08, April 02, 1998
  ¡´PÃ, fjwr@mtj.biglobe.ne.jp
  <mailto:fjwr@mtj.biglobe.ne.jp>
  3 May 1998

  ±Ì¶ÅÍ RAID Å\¬µ½t@CVXeð[gfBNgÆµÄ
  }Eg·é½ßÌû@ÆCLinux Ì initrd ðgÁÄÎÉÈé fallback 
  VXeðìé½ßÌû@ðq×Ü·DRAID1 Æ RAID5 Ì md0 foCXð
  gp·é®SÈèð¦µÜ·DèÌeXebvÆêÉ»ÌÚIàà¾µ
  Ü·D±ÌÅÍ RAID1 Æ RAID5 ÌÝèü¯ÌC3ÂÌsÅÝè³êé
  ``/etc/raidboot.conf'' t@CÉí¹ÄÝèµ½êÊIÈ linuxrc ini-
  trd t@CðÜñÅ¢Ü·D
  ______________________________________________________________________

  Ú

  1. Í¶ßÉ
     1.1 {¶ÌÅVÅÌüè
     1.2 oO
     1.3 Ó«
     1.4 ì \¦

  2. ìÆðnßéOÉKvÈ
     2.1 KvÈpbP[W
     2.2 ¼ÌÞÌÀn
     2.3 ºÐÇñÅ¨«½¢¶
     2.4 RAID ÖAÌîñ

  3. [gfBNgð RAID É·éû@ÌTà
  4. RAID ð[gÆµÄ}Eg·é½ßÌ initrd Ìðà
     4.1 ZLeBÉÖ·éÓ
     4.2 J[lÆ RAID c[Ì\z
     4.3 initrd ÉæéyÑN®t@CVXeÌ\z
     4.4 XebvEoCEXebvÌè
     4.5 fBXgr[VÌCXg[ (Slackware ÌêÌÝ)
     4.6 Linux pthreads ÌCXg[
     4.7 RAID c[ÌCXg[
     4.8 Vµ¢t@CVXe©çÌsvÈfBNgÆt@CÌí
     4.9 /dev/mdx Ìì¬
     4.10 initrd Ì½ßÌÌt@CVXeì¬
        4.10.1 N®/pÌ initrd t@CVXeÌì¬
        4.10.2 VXeÌC³
     4.11 `initrd' Å RAID foCX©çN®³¹é - linuxrc
     4.12 Vbg_EpÌ rc XNvgÌC³
     4.13 Configuring RAIDBOOT - raidboot.conf
     4.14 CRAID VXeÌ 'loadlin Æ LILO' ÌJ[lp[^wè

  5. MÒÌdp RAID VXeÌÝè
     5.1 VXeÌdl ¯¶}U[{[hªüÁÄ¢é2ÂÌVXeÌÝèðÈºÉ¦µÜ·D
     5.2 n[hfBXNÌp[eBVª

  6. RAID t@CVXeÌ\z
     6.1 /etc/raid5.conf
     6.2 /etc/raid1.conf
     6.3 dp RAID t@CVXeð\z·é½ßÌïÌIè

  7. ÅãÉÓ·é_
  8. t^ A. Bohumil Chalupa ³ñÉæé md0 ÌVbg_E
  9. Vbg_EXNvgÌá
     9.1 Slackware - /etc/rc.d/rc.6
     9.2 Debian bo - /etc/init.d/halt and /etc/init.d/reboot
        9.2.1 /etc/init.d/halt
        9.2.2 /etc/init.d/reboot

  10. t^ C: »Ì¼ÌÝèt@C
     10.1 linuxrc ANAME CDATA linuxrc file(REF)REF
     10.2 loadlin -- linux.bat file - boot.par ANAME CDATA linux.bat file - boot.par(REF)REF
     10.3 linuxthreads Makefile.diff ANAME CDATA linuxthreads Makefile.diff(REF)REF
     10.4 raid1.conf ANAME CDATA raid1.conf(REF)REF
     10.5 raid5.conf ANAME CDATA raid5.conf(REF)REF
     10.6 raidboot.conf ANAME CDATA raidboot.conf(REF)REF
     10.7 rc.raidown ANAME CDATA rc.raidown(REF)REF

  11. t^ D: Ã¢ linuxrc ÆVbg_EXNvg
     11.1 Ã¢t@C - linxurc
     11.2 Ã¢t@C - Vbg_EXNvg

  12. t^ E: Gadi Ì RAID â~ÉÖ·éLinux J[lpb`
  13. t^ F: rc.raidown
  14. t^ G: linuxrc Ì®ì´

  ______________________________________________________________________

  1.  Í¶ßÉ

  ÇÒÍFXÈ^CvÌ RAID ÌÀÆ»êçÌ_â_ðæí©ÁÄ¢é
  àÌÆ¼èµÜ·D{¶Í`[gAÅÍÈCLinux VXeÅ
  RAID ð[gÉ}Eg·éû@Ìè¾¯ð¦·àÌÅ·DLinux Ì RAID
  ÉÂ¢Ämé½ßÉKvÈîñÍSÄ¶àÅ¼Ú¦·©CQl¶£ÆµÄ¦
  µÄ¢Ü·DÅ·©çÉ¿âÌ[ðéÌÍ»êçðæ²×½ãÅ
  sÁÄ¾³¢D

  1.1.  {¶ÌÅVÅÌüè

  Root-RAID-HOWTO

  LaTeX (DVI â PostScript ðìêÜ·)CeLXgCHTML ÌetH[}bg
  ÅüèÅ«Ü·D

       sunsite.unc.edu/mdw/HOWTO/ <http://sun-
       site.unc.edu/mdw/HOWTO/>

  SGML Æ HTML `®ÅüèÅ«Ü·D

       ftp.bizsystems.com/pub/raid/ <ftp://ftp.bizsys-
       tems.com/pub/raid/>

  1.2.  oO

  ±Ì¶ð¢Ä¢é_ÅC[gÉ}Egµ½ RAID foCXªâ~·
  éâèÍ®SÉÍð³êÄ¢Ü¹ñDEd Welbon ³ñªñÄµCBohumil
  Chalupa ³ñªÀµ½ñðû@Í±Ì¶ÉÜÜêÄ¢Ü·D±êÍ RAID1
  Æ RAID5 foCXÌêÉCu[gÌ·¢ ckraid R}hªKvÅÍ
  ÈÈéÆ¢¤àÌÅ·D±Ìñðû@ðsíÈ¢ÆCVXeðÄN®·é
  xÉ md foCXÉÎµÄ ckraid ªKvÆÈèÜ·D±ê¾Æå«ÈAC
  ÌêÉÍCVXeÌ«\ªåÉáºµÄµÜ¢Ü·DMÒÌ Pentium
  166,  128M ÌVXeãÅ®ìµÄ¢é 6G Ì RAID1 foCXÅÍC
  ÄN®ÌxÉ ckraid É30ªÈãà©©ÁÄµÜ¢Ü· :-( ]¬x
  20MB/bÌ SCSI A_v^ÉÚ±µÄ¢é 15MKoCgÌ RAID5 ACÌê
  Í1ÔÈã©©èÜ·D

  ñðû@Æ¢¤ÌÍCVbg_EÉACÌóÔðÀÛÌu[gfoC
  XÉÛ¶µÄC±±Éu¢Ä éÅÉVXeð\zµ½ÌQÆXe[^
  XÆär·éàÌÅ·DXe[^XªÄN®ÌÆ«ÉêvµÄ¢êÎACÌ
  X[p[ubNÍÌu[gÉÄ\z³êC»¤ÅÈ¯êÎIy[^É
  Xe[^XG[ðÊmµCSÄÌ RAID c[ªgpÂ\ÈVXeª
  c³êÜ·D

  X[p[ubNðÄ\z·é±ÆÅCSÄÌhCuÉOKÌóðt¯çêÄ
  µÜ¢Cmdstop ðÀs¹¸ÉACÌd¹ªØçê½±ÆªVXeÉ³
  ³êé±ÆªN±èÜ·D±êÍSÄÌhCuÌXe[^XªVbg_E
  ÉOKÅ éêµ©³µ®ìµÜ¹ñDÙíª éhCuÅACª
  ®¢Ä¢éêÉÍCmd foCXðÄX^[g³¹éOÉÙíÈhCuð
  æèKvª èC»¤ÅÈ¯êÎf[^ªóêÄµÜ¤±Æª èÜ·D

  RAID0 ÌêÍVbg_EOÉ mdstop ðs¤Kvª³¢ÌÅCãLÌ±
  ÆÍ¢¸êà ÄÍÜèÜ¹ñD

  ±ÌâèÉÎµÄÅIIÉñÄ³ê½ðÍCinitrd É½ finalrd ÆCfo
  CXª[hI[ÌÍVbg_EÉ clean tOð«Þ
  mdrootstopð±ü·é±ÆÅ·D¼Ìû@à«ÁÆÍ é±ÆÅµå¤D

  ÆÉ©C¡ÌÆ±ëÍâèðð¯é±ÆÍÅ«Ä¢Ü·D±ÌâèðàÁÆ
  ¤Üð³ê½çºÐÉ¨mç¹¾³¢D

  1.3.  Ó«

  ÈºÌûXÌ¶â[Ì¨©°Å±Ì¶ª®¬µÜµ½DACfBAÌ
  ÙÆñÇÍ¼ÌlÌàÌðàçÁÄ«½àÌÅCÍ±êçð COOKBOOKÌ`
  ÉÜÆßC·®Ég¦éæ¤Éµ½¾¯Å·D

  o  Linas Vepstas ³ñ <mailto:linas@linas.org>
      Ì RAID HOWTO ÅÙÆñÇÌ±Æð×³¹Ä¢½¾«Üµ½D

  o  Gadi Oxman ³ñ <mailto:gadio@netvision.net.il>
      ÉÍuflvÌ¾çÈ¢¿âÉ¦Ä¢½¾«Üµ½D

  o  Ed Welbon ³ñ <mailto:welbon@bga.com>
      Ìf°çµ¢ initrd.md pbP[Wª«Á©¯Å±Ì¶ð±ÆÉ
     ÈèÜµ½D

  o  Bohumil Chalupa ³ñ <mailto:bochal@apollo.karlov.mff.cuni.cz>  ª
     ÄN®ÌuâèñðvðÀµÄ¾³Á½¨©°ÅC dÌÂ«
     ÅRAID ð[gÉ}EgµÄg¦éæ¤ÉÈèÜµ½D

  o  ±Ì¼ÉFXÈ_±ÌìÆð¯Ä¾³Á½ûXD

  1.4.  ì \¦

  This document is GNU copyleft by Michael Robinton michael@bzs.org
  <mailto:michael@bzs.org>.

  Permission to use, copy, distribute this document for any purpose is
  hereby granted, provided that the author's / editor's name and this
  notice appear in all copies and/or supporting documents; and that an
  unmodified version of this document is made freely available.  This
  document is distributed in the hope that it will be useful, but
  WITHOUT ANY WARRANTY, either expressed or implied.  While every effort
  has been taken to ensure the accuracy of the information documented
  herein, the author / editor / maintainer assumes NO RESPONSIBILITY for
  any errors, or for any damages, direct or consequential, as a result
  of the use of the information documented herein.

  2.  ìÆðnßéOÉKvÈ

  RAID ðÝèµC^p·é½ßÉKvÈpbP[WâCÙÆñÇÌ^âÉ¦
  Äêé¶ðÈºÉ¦µÜ·DÈPÉÅàÇ¢Å·©ç±êçÌ¿ÉÍÚ
  ðÊµÄ¾³¢D

  2.1.  KvÈpbP[W

  Ü¸ÍÈºÌpbP[WÌÅVÌo[Wðüè·éKvª èÜ·D

  o  RAID, initrd, /dev/loopx ðT|[gµÄ¢é Linux J[l

       MÒÍ linux-2.0.33 <ftp://sunsite.unc.edu/pub/Linux/ker-
       nel/> ð sunsite ©çüèµÜµ½D

  o  raid145-971022-2.0.31
     <ftp://ftp.kernel.org/pub/linux/daemons/raid/> RAID1/4/5 ÌT|[g
     ðÇÁ·épb`Å·D
  o  raidtools-pre3-0.42 <ftp://ftp.kernel.org/pub/linux/daemons/raid/>
     RAID ÌfoCXðì¬CÇ·é½ßÌc[(Æ¶)Å·D

  o  ``Gadi Ì RAID â~pb`'' ðt^ E ÉÜßÄ¢Ü·D

  o  linuxthreads-0.71
     <ftp://ftp.inria.fr/INRIA/Projects/cristal/Xavier.Leroy> XbhÌ
     pbP[WªKvÅ·DEFuuEUÍg¦È¢ÌÅ FTP ðÂ©ÁÄ
     ¾³¢D

  o  CXg[Å«é Linux ÌfBXgr[V

       MÒÍ Slackware-3.4 <ftp://ftp.cdrom.com/pub/linux> ðgÁ
       Ä¢Ü·D

  KvÅÍÈ¢¯êÇCð§ÂàÌ

  o  raidboot-0.01.tar.gz <ftp://ftp.bizsystems.com/pub/raid/> \ßì¬
     ³êÄ¢é RAID /N®VXe

  {¶É¨¯éïÌIÈèÍãLÌpbP[WðOñÉµÄ¢Ü·DpbP
  [WÌo[WªXV³êÄ¢½èCÆÙÈé Linux ÌfBXgr
  [VðgÁÄ¢éêÉÍCïÌIÈèðÙÈé©àµêÜ¹ñD

  pb`âc[Ío[W 2.1 ÌJ[lÅÍÙÈéêª èÜ·D
  ÅVÌ¶ðÈºÅmFµÄ¾³¢D

       ftp.kernel.org/pub/linux/daemons/raid/ <ftp://ftp.ker-
       nel.org/pub/linux/daemons/raid/>

  2.2.  ¼ÌÞÌÀn

  ÍW[ÍgíÈ¢ÅCKvÈàÌÍSÄJ[lÉgÝÞ±ÆÉµ
  Üµ½DÌJ[lC[WÌå«³ÍC³kµÄ 300k ÆµÅ·D

  N®Â\È RAID foCXðìéÊÌû@ÆµÄCEd Welbon 
  <mailto:welbon@bga.com> Ì initrd.md.tar.gz ð©Ä¾³¢D±¿çÌû
  @ÅÍW[ðgÁÄ¢Ü·DW[ðgÁÄÆÄà¬³¢J[l
  ðìè½¢êÉÍC±ÌpbP[WÉÜÜêéÈPÈXNvgð©êÎC
  Ç¤·êÎæ¢©í©èÜ·D

       http://www.realtime.net/~welbon/initrd.md.tar.gz
       <http://www.realtime.net/~welbon/initrd.md.tar.gz>

  2.3.  ºÐÇñÅ¨«½¢¶

  Ü¸

       /usr/src/linux/Documentation/initrd.txt

  ÍÇñÅ¾³¢D

  »ê©ç raidtools pbP[WÉt®Ì¶â}jAàÇñÅ¾³
  ¢DÁÉ man mdadd Æ QuickStart.RAID ÉÍÚðÊµÄ¾³¢D

  ÈºÌàÌÉàÚðÊµÄ¨ÆÇ¢Åµå¤D

  o  BootPrompt-HOWTO <http://sunsite.unc.edu/mdw/HOWTO/BootPrompt-
     HOWTO.html>

  o  man lilo

  o  man lilo.conf

  2.4.  RAID ÖAÌîñ

  o  sunsite.unc.edu/mdw/HOWTO/mini/Software-RAID
     <http://sunsite.unc.edu/mdw/HOWTO/mini/Software-RAID>

  o  www.ssc.com/lg/issue17/raid.html
     <http://www.ssc.com/lg/issue17/raid.html>

  o  linas.org/linux/raid.html <http://linas.org/linux/raid.html>

  o  ftp.kernel.org/pub/linux/daemons/raid/
     <ftp://ftp.kernel.org/pub/linux/daemons/raid/>

  o  www.realtime.net/~welbon/initrd.md.tar.gz
     <http://www.realtime.net/~welbon/initrd.md.tar.gz>

  o  luthien.nuclecu.unam.mx/~miguel/raid/
     <http://luthien.nuclecu.unam.mx/~miguel/raid/>

     ÖWª é[OXgðÈºÉñµÜ·D

  o  majordomo@nuclecu.unam.mx <mailto:majordomo@nuclecu.unam.mx> Ö
     subscribe raiddevÌàeÌ[ðêÎQÁÅ«Ü·D

     eÍ raiddev@nuclecu.unam.mx <mailto:raiddev@nuclecu.unam.mx> Ö
     [ðèÜ·D

  o  majordomo@vger.rutgers.edu <mailto:majordomo@vger.rutgers.edu>Ö
     subscribe linux-raidÌàeÌ[ðêÎQÁÅ«Ü·D

     eÍ linux-raid@vger.rutgers.edu <mailto:linux-
     raid@vger.rutgers.edu> Ö[ðèÜ·D (±êªÅàÈ[
     OXgÌæ¤Å·)

  3.  [gfBNgð RAID É·éû@ÌTà

  VXeðµ½èC\zµ½èCfobOµ½È¢êÍC
  Slackware-3.4 ÉîÃ¢ÄìÁ½êÊIÈVXeðÈºÅüèµÄ¾³
  ¢D

       ftp.bizsystems.com/pub/raid/raidboot-0.01.tar.gz
       <ftp://ftp.bizsystems.com/pub/raid/>

  »µÄCÌèðÀsµÜ·D

  o  gp·éfBXNÌT|[gðgÝÝCRAID ðLøÉµ½J[lð\
     zµÜ·

  o  RAID ACª³µÝèC}EgÅ«é©eXgµÜ·

  o  RAID VXeãÉ OS ðCXg[µÜ·

  o  [gfoCXÆµÄ /dev/md0 ðQÆ·éæ¤É fstab ÌàeðC³µ
     Ü·DN®ÉKvÈp[eBVª fstab ÉÜÜêÄ¢é±ÆðmFµ
     Ü·D

  o  Modify your shutdown halt and reboot script(s) (mine is
     /etc/rc.d/rc.6) as shown in ``Modifying the rc-scripts for
     SHUTDOWN'' ÌLqÉµ½ªÁÄC}VÌâ~yÑÄN®ÌXNv
     g(MÒÌVXeÅÍ /etc/rc.d/rc.6 Å·)ðC³µÜ·D

  o  ÈºÌèÉ¦·æ¤ÉCt@CðìÆpVXe©çCVXe
     ÆVµ¢ RAID VXeÌ¼ûÉRs[µÜ·D

             cd /root/raidboot
             mkdir mnt
             gzip -d rescue.clean
             losetup /dev/loop0  rescue.clean
             mount /dev/loop0    mnt

     Ìæ¤Ét@CðRs[µÜ·D

             cp -p /etc/*         mnt/etc
             cp -p /etc/rc.d/*    mnt/etc/rc.d
                     {or as appropriate for your system}
             cp -a /lib/modules/* mnt/lib/modules

  Linux ÌfBXgr[VÉæÁÄÍC[gt@CVXeÌ
  ro/rw Xe[^Xð²×Ü·Dinitrd VXeÌ rc N®XNvg©
  çÍC±êð²×éªðæèKvª èÜ·D``VXeÌC
  ³''ÌÍÌèðQÆµÄ¾³¢D

  devmd0/ ª[gfoCXfstab ÉÈéæ¤ fstab ðC³µÜ·DN®ÉK
  vÈp[eBVª fstab ÉÜÜêÄ¢é±ÆðmFµÜµå¤D

  RAID ©çN®·éÝèðLq·é /etc/raidboot.conf ðì¬µÜ·D±Ì
  t@CÌÅÌ3sÉÍRgðüêÄÍ¢¯Ü¹ñD»êÈ~ÈçÎâ
  è èÜ¹ñD

  raidboot.conf

          /dev/sda1 /dev/sda2
          raidboot
          raid5.conf
  # comments may only be placed 'after' the three
  # configuration lines.
  #
  # This is 'raidboot.conf'
  #
  # line one, the partition(s) containing the 'initrd' raid-rescue system
  #       It is not necessary to boot from these partitions, however,
  #       since the rescue system will not fit on floppy, it is necessary
  #       to know which partitions are to be used to load the rescue system
  #
  # line two, the path to the raidboot config information
  #       Where the shutdown status, etc... is located at boot time
  #       It does NOT include the mount point information, only 'path'
  #       /mntpoint/'path'
  #
  # line -3-, name of the raid configuration file
  #       Current raid configuration file i.e. raid1.conf, raid5.conf

  ãÍ¢Â©ÌìÆðs¦ÎCRAID VXeÌN®õªÅ«Ü·D

  t^ F Åà¾·éC``rc.raidown'' t@Cð # ì¬µC±êðCì
  ÆCRAID ÌeVXeÌ /etc/rc.d fBNg # ÉRs[µÜ·D
  VXeðA}Egµ½ãC±êð³kµÜ·D

          umount mnt
          losetup -d /dev/loop0
          mv rescue.clean rescue
          gzip rescue

  t@Cð RAID N®p[eBVÉRs[µÜ·D

          cp rescue.gz /mnt_point(1)/raidboot
          cp rescue.gz /mnt_point(2)/raidboot

  RAID ACðLøÉµÜ·D

          mdadd -ar

  RAID N®p[eBVÌ ³µ¢ QÆXe[^XðÛ¶µÜ·D

          cat /proc/mdstat | grep md0 > /mnt_point(1)/raidboot/raidgood.ref
          cat /proc/mdstat | grep md0 > /mnt_point(1)/raidboot/raidgood.ref

  ÅãÉ ``N®ÌÝèp[^'' Ìà¾É]ÁÄN®vOðÝè
  µCRAID ACãÌVXeðN®µÜ·D

  4.  RAID ð[gÆµÄ}Eg·é½ßÌ initrd  Ìðà

  ±êÍ RAID Ìc[(rescue tools) ðÜÞ `initrd' RAMfBXNðì
  é½ßÌè±«Å·D

  {¶ÅÍÁÉ RAID1 Æ RAID5 ÌÀÉÂ¢Äà¾ðs¢Ü·D

  4.1.  ZLeBÉÖ·éÓ

  pÌt@CVXeÍX^hAÅgpÅ«Ü·DRAID ACÌ
  }EgÉ¸sµ½êCVXeª}Eg³êÄ®ìµÜ·DÅ·©
  çZLeBÉÍ\ªÓµÄ¾³¢I

  4.2.  J[lÆ RAID c[Ì\z

  ÅÌìÆÍCpb`ðÄÄJ[lðÄ\z·é±ÆÆ RAID ìc[
  Éµêé±ÆÅ·Dt^ E Ì ``Gadi Ì RAID â~pb`'' ðmFµCJ
  [lÉÜßÄ¾³¢DÝèðsÁÄ©ç RAID foCXð}EgCeX
  gµÜ·DÚ×ÈèÍ raidtools pbP[WÉÜÜêÄ¢Ü·ªC{¶
  ÅàãÅq×Ü·D

  4.3.  initrd  ÉæéyÑN®t@CVXeÌ\z

  Í/N®pÌt@CVXeÆdpÌ}VÌt@CVXeð
  \z·éÛÉ Slackware-3.4 fBXgr[Vðg¢Üµ½DÅ·
  ªCÇÌ Linux fBXgr[VÅàâèÈ¢Æv¢Ü·DÙÈé
  fBXgr[Vðg¤êÉÍCèÌ¤¿ Slackware ÉÁ»µ½
  ªðmFµCKvÉ¶ÄC³µÄ¾³¢D

  MÒÍ loadlin ðgÁÄJ[lC[WÆRAMfBXNð DOS p[eB
  V©çN®µÄ¢Ü·ªC±êÍCPÉ DOS ÌÝè\tgEFAðg¤
  ¢Á½foCXðgÁÄ¢é©çÅ·DLILO Åà¤Ü®ìµÜ·
  µCRAID/N®t@CÆ lilo R[h¾¯ðÜÞ¬³¢ Linux p[eB
  VàgpÅ«Ü·D

  MÒÍÅÉ Slackware Ì `setup' XNvgðgÁÄÅ¬ÀÌRAMfBX
  NVXeðìèCÉ±ÌRAMfBXNãÌfÌSlackware É
  `linuxthreads' pbP[WÆ `raidtools' ðã«CXg[·é±ÆÉ
  µÜµ½DÍdpÌ}Vð\z·éÆ«ÉàS¯¶è±«ðp¢Üµ
  ½DÅ·©çCVXeÆdpVXeÍÙÚ¯¶\¬ÉÈÁÄ¢Ü
  ·D

  ±ÌCXg[ÉæÁÄ`Ì'VXeªÅ«Ü·(t@CÌRs[ðÛ
  ¶µÄ¨«Üµå¤)D±ÌVXeÖ

          /lib/modules/2.x.x......
          /etc .... with a modified fstab, mdtab, raidX.conf, raidboot.conf
          /etc/rc.d
          /dev/md*

  ð»ÝgÁÄ¢éVXe©çã«Rs[µC»Ý é¢Í±ê©ç®ì³
  ¹æ¤ÆµÄ¢éVXeÉí¹ÄJX^}CYµÜ·D

  ±êÉæèCN®/VXeð»Ý®ìµÄ¢é RAID foCXð[g
  É}Egµ½VXeÆ¯¶ÉÅ«Ü·DCuÌo[WÍíÉ
  ÅVÉÅ«Ü·ªCµ¬³¢VXeÉÈèÜ·D

  4.4.  XebvEoCEXebvÌè

  [U root Ìz[fBNg(/root)ÅÈºÌR}hðÀsµÜ·:

          cd /root
          mkdir raidboot
          cd raidboot

  }Eg|Cgðì¬µÜ·D

          mkdir mnt
          mkdir mnt2

  t@CVXeðCXg[·éÌÉ\ªÈå«³Ìt@CðìèÜ
  ·D±êÍÅIIÈt@CVXeæè¸ÁÆå«ÈèÜ·D16K
  oCgÅÍ\ªÅÍÈ©Á½ÌÅCÍ24KoCgg¤±ÆÉµÜµ½D

          dd if=/dev/zero of=build bs=1024k count=24

  t@Cð loop foCXÆµCext2 t@CVXeð±Ìt@CãÉ
  ì¬µÜ·D

          losetup /dev/loop0 build
          mke2fs -v -m0 -L initrd /dev/loop0
          mount /dev/loop0 mnt

  4.5.  fBXgr[VÌCXg[ (Slackware ÌêÌÝ)

  Slackware Éµ©ÊpµÈ¢bèÈÌÅCSlackware ÈOÌfBXgr[
  Vðg¤êÉÍ``ÌÍÉiñÅ''¾³¢D

  »ÝÍóÌt@CVXeªìçêÄ}Eg³êÄ¢éóÔÅ·D±±
  Å"setup"ðÀsµÜ·D

          /root/raidboot/mnt

  ðwèµÜ·D`source'ÉÍÊíÌCXg[³ðKXwèµÜ·DpbP
  [WIðÍ©RÉsÁÄ©Ü¢Ü¹ñªC`configure' ÍsíÈ¢Å¾³
  ¢D

  vvgÌ[hÆµÄÍ `EXPERT' ðIðµÜ·D

  ÍVXeÌÅ¬\¬Ì `A', `AP', `N' ÉÁ¦Cg¢µêÄ¢ÄTCYà
  ¬³¢GfB^(vi, jed, joe)ðIðµÜµ½D

  lqqqqqqqq SELECTING PACKAGES FROM SERIES A (BASE LINUX SYSTEM) qqqqqqqqk
  x lqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqk x
  x x   [X] aaa_base  Basic filesystem, shell, and utils - REQUIRED    x x
  x x   [X] bash      GNU bash-1.14.7 shell - REQUIRED                 x x
  x x   [X] devs      Device files found in /dev - REQUIRED            x x
  x x   [X] etc       System config files & utilities - REQUIRED       x x
  x x   [X] shadow    Shadow password suite - REQUIRED                 x x
  x x   [ ] ide       Linux 2.0.30 no SCSI (YOU NEED 1 KERNEL)         x x
  x x   [ ] scsi      Linux 2.0.30 with SCSI (YOU NEED 1 KERNEL)       x x
  x x   [ ] modules   Modular Linux device drivers                     x x
  x x   [ ] scsimods  Loadable SCSI device drivers                     x x
  x x   [X] hdsetup   Slackware setup scripts - REQUIRED               x x
  x x   [ ] lilo      Boots Linux (not UMSDOS), DOS, OS/2, etc.        x x
  x x   [ ] bsdlpr    BSD lpr - printer spooling system                x x
  x x   [ ] loadlin   Boots Linux (UMSDOS too!) from MS-DOS            x x
  x x   [ ] pnp       Plug'n'Play configuration tool                   x x
  x x   [ ] umsprogs  Utilities needed to use the UMSDOS filesystem    x x
  x x   [X] sysvinit  System V-like INIT programs - REQUIRED           x x
  x x   [X] bin       GNU fileutils 3.12, elvis, etc. - REQUIRED       x x
  x x   [X] ldso      Dynamic linker/loader - REQUIRED                 x x
  x x   [ ] ibcs2     Runs SCO/SysVr4 binaries                         x x
  x x   [X] less      A text pager utility - REQUIRED                  x x
  x x   [ ] pcmcia    PCMCIA card services support                     x x
  x x   [ ] getty     Getty_ps 2.0.7e - OPTIONAL                       x x
  x x   [X] gzip      The GNU zip compression - REQUIRED               x x
  x x   [X] ps        Displays process info - REQUIRED                 x x
  x x   [X] aoutlibs  a.out shared libs - RECOMMENDED                  x x
  x x   [X] elflibs   The ELF shared C libraries - REQUIRED            x x
  x x   [X] util      Util-linux utilities - REQUIRED                  x x
  x x   [ ] minicom   Serial transfer and modem comm package           x x
  x x   [ ] cpio      The GNU cpio backup/archiving utility            x x
  x x   [X] e2fsbn    Utilities for the ext2 file system               x x
  x x   [X] find      GNU findutils 4.1                                x x
  x x   [X] grep      GNU grep 2.0                                     x x
  x x   [ ] kbd       Change keyboard mappings                         x x
  x x   [X] gpm       Cut and paste text with your mouse               x x
  x x   [X] sh_utils  GNU sh-utils 1.16 - REQUIRED                     x x
  x x   [X] sysklogd  Logs system and kernel messages                  x x
  x x   [X] tar       GNU tar 1.12 - REQUIRED                          x x
  x x   [ ] tcsh      Extended C shell version 6.07                    x x
  x x   [X] txtutils  GNU textutils-1.22 - REQUIRED                    x x
  x x   [ ] zoneinfo  Configures your time zone                        x x
  x mqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqj x

  `AP' V[Y©çÍÌD«ÈGfB^ `JOE' ÆRpNgÅÖÈt@C
  ìc[Å é `MC' ¾¯ðIðµÜµ½D±±ÍKvÉ¶Ä[eB
  eBðIðµÄ¾³¢D

  lqqqqqqqqq SELECTING PACKAGES FROM SERIES AP (APPLICATIONS) qqqqqqqqqk
  x x     [ ] ispell    The International version of ispell          x x
  x x     [ ] jove      Jonathan's Own Version of Emacs text editor  x x
  x x     [ ] manpgs    More man pages (online documentation)        x x
  x x     [ ] diff      GNU diffutils                                x x
  x x     [ ] sudo      Allow special users limited root access      x x
  x x     [ ] ghostscr  GNU Ghostscript version 3.33                 x x
  x x     [ ] gsfonts1  Ghostscript fonts (part one)                 x x
  x x     [ ] gsfonts2  Ghostscript fonts (part two)                 x x
  x x     [ ] gsfonts3  Ghostscript fonts (part three)               x x
  x x     [ ] jed       JED programmer's editor                      x x
  x x     [X] joe       joe text editor, version 2.8                 x x
  x x     [ ] jpeg      JPEG image compression utilities             x x
  x x     [ ] bc        GNU bc - arbitrary precision math language   x x
  x x     [ ] workbone  a text-based audio CD player                 x x
  x x     [X] mc        The Midnight Commander file manager          x x
  x x     [ ] mt_st     mt ported from BSD - controls tape drive     x x
  x x     [ ] groff     GNU troff document formatting system         x x
  x x     [ ] quota     User disk quota utilities                    x x
  x x     [ ] sc        The 'sc' spreadsheet                         x x
  x x     [ ] texinfo   GNU texinfo documentation system             x x
  x x     [ ] vim       Improved vi clone                            x x
  x x     [ ] ash       A small /bin/sh type shell - 62K             x x
  x x     [ ] zsh       Zsh - a custom *nix shell                    x x
  x mqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqj x

  `N' pbP[W©çÍ TCP/IP ¾¯ðüêÜµ½D±êÍK¸µàKvÅÍ 
  èÜ¹ñªCñíÉÖÅ·µC[gÉ RAID ACª}Eg³êÄ¢È
  ¢óÔÅâXVÌìÆðs¤ÛÉlbg[NÉANZXÅ«éæ¤ÉÈ
  èÜ·DTCP/IP ÉÍ `A' ÉÜÜêéAvP[VÌ¢Â©ªgp·é
  `biff' àÜñÅ¢Ü·D`N' ðCXg[µÈ©Á½ÆµÄàCbiff pb
  P[WÍüê½ÈéÆv¢Ü·D

  lqqqq SELECTING PACKAGES FROM SERIES N (NETWORK/NEWS/MAIL/UUCP) qqqqqk
  x lqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqk x
  x x    [ ] apache    Apache WWW (HTTP) server                      x x
  x x    [ ] procmail  Mail delivery/filtering utility               x x
  x x    [ ] dip       Handles SLIP/CSLIP connections                x x
  x x    [ ] ppp       Point-to-point protocol                       x x
  x x    [ ] mailx     The mailx mailer                              x x
  x x    [X] tcpip     TCP/IP networking programs                    x x
  x x    [ ] bind      Berkeley Internet Name Domain server          x x
  x x    [ ] rdist     Remote file distribution utility              x x
  x x    [ ] lynx      Text-based World Wide Web browser             x x
  x x    [ ] uucp      Taylor UUCP 1.06.1 with HDB && Taylor configs x x
  x x    [ ] elm       Menu-driven user mail program                 x x
  x x    [ ] pine      Pine menu-driven mail program                 x x
  x x    [ ] sendmail  The sendmail mail transport agent             x x
  x x    [ ] metamail  Metamail multimedia mail extensions           x x
  x x    [ ] smailcfg  Extra configuration files for sendmail        x x
  x x    [ ] cnews     Spools and transmits Usenet news              x x
  x x    [ ] inn       InterNetNews news transport system            x x
  x x    [ ] tin       The 'tin' news reader (local or NNTP)         x x
  x x    [ ] trn       'trn' for /var/spool/news                     x x
  x x    [ ] trn-nntp  'trn' for NNTP (install 1 'trn' maximum)      x x
  x x    [ ] nn-spool  'nn' for /var/spool/news                      x x
  x x    [ ] nn-nntp   'nn' for NNTP (install 1 'nn' maximum)        x x
  x x    [ ] netpipes  Network pipe utilities                        x x
  x mqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqj x

  CXg[ªI¹µ½çC»êÈOÌÚÉÍSÄ `no' Æ¦(SÄÌÝ
  èÚÉ `no' Æ¦é)CXNvgðI¹µÜ·D

  4.6.  Linux pthreads  ÌCXg[

  É`linuxthreads-0.71' CuðCXg[µÈ¯êÎÈèÜ¹ñD
  ±±ÅÍèìÆÉæéCXg[ðÚµà¾·éãíèÉClinuxthreads
  Ì Makefile ÉÎ·é·ªpb`ð¦µÜ·D³Ì Makefile ðÛ¶µÄ©ç
  diff R}hÅpb`ðÄC»µÄ make ðs¢Ü·D

          cd /usr/src/linuxthreads-0.71
    patch
          make
          make install

  -------------------diff Makefile.old  Makefile.raid-----------------
  2a3,13
  > # If you are building "linuxthreads" for installation on a mount
  > # point which is not the "root" partition, redefine 'BUILDIR' to
  > # the mount point to use as the "root" directory
  > # You may wish to do this if you are building an 'initial ram disk'
  > # such as used with bootable root raid devices.
  > # REQUIRES ldconfig version 1.9.5 or better
  > # do ldconfig -v to check
  > #
  > BUILDIR=/root/raidboot/mnt
  > #BUILDIR=
  >
  81,82c92,93
  <       install pthread.h $(INCLUDEDIR)/pthread.h
  <       install semaphore.h $(INCLUDEDIR)/semaphore.h
  ---
  >       install pthread.h $(BUILDIR)$(INCLUDEDIR)/pthread.h
  >       install semaphore.h $(BUILDIR)$(INCLUDEDIR)/semaphore.h
  84c95
  <       test -f /usr/include/sched.h || install sched.h $(INCLUDEDIR)/sched.h
  ---
  >       test -f $(BUILDIR)/usr/include/sched.h || install sched.h $(BUILDIR)$(INCLUDEDIR)/sched.h
  86,89c97,103
  <       install $(LIB) $(LIBDIR)/$(LIB)
  <       install $(SHLIB) $(SHAREDLIBDIR)/$(SHLIB)
  <       rm -f $(LIBDIR)/$(SHLIB0)
  <       ln -s $(SHAREDLIBDIR)/$(SHLIB) $(LIBDIR)/$(SHLIB0)
  ---
  >       install $(LIB) $(BUILDIR)$(LIBDIR)/$(LIB)
  >       install $(SHLIB) $(BUILDIR)$(SHAREDLIBDIR)/$(SHLIB)
  >       rm -f $(BUILDIR)$(LIBDIR)/$(SHLIB0)
  >       ln -s $(SHAREDLIBDIR)/$(SHLIB) $(BUILDIR)$(LIBDIR)/$(SHLIB0)
  > ifneq ($(BUILDIR),)
  >       ldconfig -r ${BUILDIR} -n $(SHAREDLIBDIR)
  > else
  91c105,106
  <       cd man; $(MAKE) MANDIR=$(MANDIR) install
  ---
  > endif
  >       cd man; $(MAKE) MANDIR=$(BUILDIR)$(MANDIR) install

  4.7.  RAID c[ÌCXg[

  CXg[ÌÌXebvÍCRAID c[ raidtools-0.42 ÌCXg[
  Å·D

  RAMfBXNÌt@Cð\z·éfBNgð Makefile É³¦é½ßÉ
  "configure" XNvgðÀsµÜ·D

    cd /usr/src/raidtools-0.42
    configure --sbindir=/root/raidboot/mnt/sbin --prefix=/root/raidboot/mnt/usr
    make
    make install

  ±±ÅÓ·×«_ª èÜ·DCXg[Ég¤ Makefile Í³µÈ¢
  ÌÅC±êð¼·½ßÉÌìÆðs¢Ü·D±êÍ«Ì[XÅÍC³
  ³êCÄNÍKv³Èé\èÅ·D

       CXg[G[ÌC³

  ³µì·é½ßÉÍ Makefile Ì `LINKS' Åwè³êÄ¢ét@CÌ
  NðíµC£è¼³È¯êÎÈèÜ¹ñD

          cd /root/raidboot/mnt/sbin
          ln -fs mdadd mdrun
          ln -fs mdadd mdstop

  4.8.  Vµ¢t@CVXe©çÌsvÈfBNgÆt@CÌí

  ÈºÌfBNgÆt@Cðt@CVXe©çíµÜ·D (Ó:
  ëÁÄ»ÝÒÌVXeÌt@CðÁ³È¢æ¤ÉD) ±ÌXgð©
  Ät@CðÁ·¾¯ÈçÈPÅ·ªCª±ÌXgðÇ¤âÁÄìÁ½Ì
  ©àl¦Ä¾³¢I

          cd /root/raidboot/mnt
          rm -r home/ftp/*
          rm -r lost+found
          rm -r usr/doc
          rm -r usr/info
          rm -r usr/local/man
          rm -r usr/man
          rm -r usr/openwin
          rm -r usr/share/locale
          rm -r usr/X*
          rm -r var/man
          rm -r var/log/packages
          rm -r var/log/setup
          rm -r var/log/disk_contents

  4.9.  /dev/md x  Ìì¬

  ÅãÌXebvÍC»ÝÌt@CVXe©çt@CVXeÉ
  /dev/md* foCXð½¾Rs[·é±ÆÅ·D±êÍ mknod Åàs¤±Æª
  Å«éÅµå¤D

          cp -a /dev/md* /root/raidboot/mnt/dev

  4.10.  initrd  Ì½ßÌÌt@CVXeì¬

  ±êÅJX^}CYÅ«CÄpàÂ\ÈÜÁ³çÈt@CVXeªÅ«
  Üµ½DêxJX^}CY·éÆCfBXNÉg¤±ÆªÅ«é±Ìt@
  CVXeÍóêÄµÜ¢CC³·é½ßÉÍRAIDc[ªKvÆÈèÜ
  ·D±êÍÌÍÅà¾·é linuxrc t@CðÇÁ·é±ÆÉæÁÄCu
  [gµÄ[gÉ}Eg·é RAID foCXÉg¤±ÆàÅ«Ü·D

  initrd t@CÌ½ßÉ¬³¢foCXÖVXeðRs[µÜ·D16K
  oCgà êÎ\ªÅµå¤D

  ¬³¢t@CVXeðìèC±êð}EgµÜ·D

          cd /root/raidboot
          dd if=/dev/zero of=bare.fs bs=1024k count=16

  t@Cð loop foCXÆµC±Ìt@CãÉ ext2 t@CVXe\
  zµÜ·D

          losetup /dev/loop1 bare.fs
          mke2fs -v -m0 -L initrd /dev/loop1
          mount /dev/loop1 mnt2

  `build't@CVXeð`bare.fs'ÉRs[µÜ·D

          cp -a mnt/* mnt2

  ãÌXVðeÕÉ·é½ßCJX^}CYÌOÉ `bare.fs' VXeðÛ¶
  µÜ·D`build' t@CVXeÍà¤Kv èÜ¹ñÌÅCÁµÄà\¢
  Ü¹ñD

          cd /root/raidboot
          umount mnt
          umount mnt2
          losetup -d /dev/loop0
          losetup -d /dev/loop1
          rm build
          cp bare.fs rescue
          gzip -9 bare.fs

  4.10.1.  N®/pÌ initrd  t@CVXeÌì¬

  ÉCìÆpÌ}V©çJ[lÉK·éVXeË¶Ìt@CðRs
  [·é©C^[QbgÌVXeÉK·éæ¤Ét@CVXeÌ
  t@CðèÅC³·é©µÜ·D

          losetup /dev/loop0 rescue
          mount /dev/loop0 mnt

  etc fBNgÉ *~ t@CâCcore, Ot@Cª³¢±ÆðmFµ
  Ü·DÌ2ÂÌR}hÍ¢Â©EH[jOðoµÜ·ªC³µÄ
  ¾³¢D

          cp -dp /etc/* mnt/etc
          cp -dp /etc/rc.d/* mnt/etc/rc.d

          mkdir  mnt/lib/modules
          cp -a  /lib/modules/2.x.x mnt/lib/modules <--- your current 2.x.x

  4.10.2.  VXeÌC³

  VXeÌÈºÌt@CðC³µÜ·D±±Å°ét@CÌÉÍ
  Slackware ÁLÌàÌà èÜ·ªC¼ÌfBXgr[VÅà¯Ì
  àÌª éÍ¸Å·D

          cd mnt

  lbg[NÖWÅÈ¢àÌ
          etc/fstab
          etc/mdtab       »ÌÜÜÅåävÅµå¤
  lbg[NÖW
          etc/hosts
          etc/resolv.conf
          etc/hosts.equiv         yÑÖAt@C
          etc/rc.d/rc.inet1       IPAhXClbg}XNCQCgEFCÌÝèðC³µÜ·
          etc/rc.d/rc.S           t@CVXeÌXe[^XÖWÌªðSÄíµÜ·
                          # Test to see if the root partition is read-only
                  Ìª©ç
                          # remove /etc/mtab* so that mount will .....
                  ðÜÜÈ¢ªÜÅðíµÜ·D
                                  ±êÍ RAMfBXNªÇÝ«Â\Å}E
                                  g³êéÆoé¤é³¢EH[jOðo
                                  È¢æ¤ÉµÜ·D
          etc/rc.d/rc.xxxxx       KvÈçÎ¼Ìt@CàD{¶ÅãqµÜ·
          root/.rhosts            àµ¶Ý·êÎ
          home/xxxx/xxxx          KvÈçÎ¼Ìt@Cà

      x:       ±ÌìÆÅ passwd Æ shadow Ìt@CÍVXeÉ
                  Rs[³êÄµÜ¢Ü·I±êÍZLeBãÌRÅD
                  ÜµÈ¢êà éÅµå¤D

  KvÉ¶Ä /dev/disk ð}Eg·é½ßÌfBNgðìèÜ·D±
  êÍVXeÅêÓÉÜçÈ¯êÎÈèÜ¹ñD±êçÍVXeðN®·
  é½ßÌ}Eg|Cg(N®p[eBVÆN®p[eBVÌob
  NAbv)ÉÈèÜ·DMÒÌVXeÍ loadlin ðpµÄ DOS ©çN®
  ·éæ¤ÉÈÁÄ¢Ü·ªCLinux p[eBVâ LILO Åà¤Ü®ìµ
  Ü·DMÒÌVXeÅÍÈºÌæ¤ÉÈÁÄ¢Ü·D

          cd /root/raidboot/mnt           <-- initrd Ì[g
          mkdir dosa                      DOS p[eBVÌ}Eg|Cg
          mkdir dosb                      DOS Ì~[Ì}Eg|Cg

  t@CVXeÍ±êÅoãªèÅ·I

  t@CVXeÌt@Cð²×êÎCÜ¾½Ìt@CðÁ¹é±
  Æªª©éÆv¢Ü·D±ÌìÆÍ¡G·¬é±ÆÆCÙÆñÇÌ RAID VX
  eÉÍ\ªÈfBXNÆª é±Æ©çCÍ±êðsÁÄÍ¢Ü¹
  ñDt@CVXeðàÁÆX}[gÉµ½¯êÎC²©ªÅâÁÄ¾³
  ¢I

  4.11.  `initrd' Å RAID foCX©çN®³¹é - linuxrc

  fBXNÅ RAID foCXðN®·éÉÍC½¾ÌXNvgt@C

       linuxrc

  ðfoCXÌ[gÉRs[·é¾¯Å·D

  ±Ì linuxrc t@CÌ®ìÉÂ¢ÄÌbÍ ``t^ G, linuxrc Ì®ìÉÂ
  ¢Ä''Åc_µÜ·D
  àÁÆÈPÅðµâ·¢(®ìà·é) linuxrc Í ``t^ D'' É èÜ·
  ªC±êÍÃ¢ linuxrc Æâ~XNvgÅ·DÈºÌªð linuxrcÆµ
  ÄìÆfBNgÉRs[µÄ¨«Üµå¤D

   -------------------- linuxrc ----------------------
  #!/bin/sh
  # ver 1.13 3-6-98
  #
  ################# BEGIN 'linuxrc' ##################
  #                DEFINE FUNCTIONS                  #
  ####################################################
  # Define 'Fault' function in the event something
  # goes wrong during the execution of 'linuxrc'
  #
  FaultExit () {
  # correct fstab to show '/dev/ram0' for rescue system
      /bin/cat /etc/fstab | {
      while read Line
      do
          if [ -z "$( echo ${Line} | /usr/bin/grep md0 )" ]; then
              echo ${Line}
          else
              echo "/dev/ram0 / ext2 defaults 1 1"
          fi
      done
      } > /etc/tmp.$$
      /bin/mv /etc/tmp.$$ /etc/fstab
  #       point root at /dev/ram0 (the rescue system)
          echo 0x100>/proc/sys/kernel/real-root-dev
          /bin/umount /proc
          exit
  }

  # Define 'Warning' procdure to print banner on boot terminal
  #
  Warning () {
      echo '*********************************'
      echo -e " $*"
      echo '*********************************'
  }

  # Define 'SplitKernelArg' to help extract 'Raid' related kernel arguments
  SplitKernelArg () { eval $1='$( IFS=,; echo $2)' }

  #Define 'SplitConfArgs' to help extract system configuration arguments
  SplitConfArgs () {
      RaidBootType=$1
      RaidBootDevice=$2
      RaidConfigPath=$3
  }
  ########################################################
  ################### MAIN linuxrc #######################
  ########################################################
  # mount the proc file system
  /bin/mount /proc

  # Get the boot partition and configuration location from command line
  CMDLINE=`/bin/cat /proc/cmdline`
  for Parameter in $CMDLINE; do
      Parameter=$( IFS='='; echo ${Parameter} )
      case $Parameter in
          Raid*) SplitKernelArg $Parameter;;
      esac
  done

  # check for 'required raid boot'
  if [ -z "${Raid_Conf}" ]; then
      Warning Kernel command line \'Raid_Conf\' missing
      FaultExit
  fi
  SplitConfArgs $Raid_Conf

  # tmp mount the boot partition
  /bin/mount -t ${RaidBootType} ${RaidBootDevice} /mnt

  # get etc files from primary raid system
  pushd /etc

  # this will un-tar into 'etc' (see rc.6)
  if [ ! -f /mnt/${RaidConfigPath}/raidboot.etc ]; then
  # bad news, this file should be here
      Warning required file \'raidboot.etc\' \
      missing from ${RaidBootDevice}/${RaidConfigPath} \\n \
      \\tUsing rescue system defaults
  else
      /bin/tar -xf /mnt/${RaidConfigPath}/raidboot.etc
  fi
  # get 'real' raidboot device for this boot
  # status path, and name of raidX.conf
  if [ ! -f /mnt/${RaidConfigPath}/raidboot.cfg ]; then
  # bad news, this file should be here
      Warning required file 'raidboot.cfg' \
      missing from ${RaidBootDevice}/${RaidConfigPath}\\n \
      \\tUsing rescue system defaults
  # Get the first raidX.conf file name in $RArg1
      RaidBootDevs=$RaidBootDevice
      RaidStatusPath=$RaidConfigPath
      for RaidConfigEtc in $( ls raid*.conf )
      do break; done
  else
      {
      read RaidBootDevs
      read RaidStatusPath
      read RaidConfigEtc
      } < /mnt/${RaidConfigPath}/raidboot.cfg

  fi
  popd
  /bin/umount /mnt

  # Set a flag in case the raid status file is not found
  #
  RAIDOWN="raidboot.ro not found"
  RAIDREF="raidgood.ref not found"
  echo "Reading md0 shutdown status."

  # search for raid shutdown status
  for Device in ${RaidBootDevs}
  do
  #   these filesystem types should be in 'fstab' since
  #   the partitions must be mounted for a clean raid shutdown
      /bin/mount ${Device} /mnt
      if [ -f /mnt/${RaidStatusPath}/raidboot.ro ]; then
          RAIDOWN=`/bin/cat /mnt/${RaidStatusPath}/raidboot.ro`
          RAIDREF=`/bin/cat /mnt/${RaidStatusPath}/raidgood.ref`
          /bin/umount /mnt
          break
      fi
      /bin/umount /mnt
  done
  # Test for a clean shutdown with array matching reference
  if [ "${RAIDOWN}" != "${RAIDREF}" ]; then
      Warning shutdown ERROR ${RAIDOWN}
      FaultExit
  fi

  # The raid array is clean, remove shutdown status files
  for Device in ${RaidBootDevs}
  do
      /bin/mount ${Device} /mnt
      /bin/rm -f /mnt/${RaidStatusPath}/raidboot.ro
      /bin/umount /mnt
  done

  # Write a clean superblock on all raid devices

  echo "write clean superblocks"
  /sbin/mkraid -f --only-superblock /etc/${RaidConfigEtc}

  # Activate raid array(s)
  if [ -z "$Raid_ALT" ]; then
      /sbin/mdadd -ar
  else
      /sbin/mdadd $Raid_ALT
  fi

  #  If there are errors - BAIL OUT and leave rescue running
  if [ $? -ne 0 ]; then
     Warning some RAID device has errors
     FaultExit
  fi

  # Everything is fine, let the kernel mount /dev/md0
  # tell the kernel to switch to /dev/md0 as the /root device
  # The 0x900 value is the device number calculated by:
  #  256*major_device_number + minor_device number
  echo "/dev/md0 mounted on root"
  echo 0x900>/proc/sys/kernel/real-root-dev
  # umount /proc to deallocate initrd device ram space
  /bin/umount /proc
  exit
  #------------------ end linuxrc ----------------------

  `linuxrc' ð initrd ÌN®foCXÉÇÁµÜ·D

          cd /root/raidboot
          chmod 777 linuxrc
          cp -p linuxrc mnt

  4.12.  Vbg_EpÌ rc XNvgÌC³

  CXg[ÌÅãÌèÍCVbg_EÉ md ÌóÔð{Ì[g
  foCXÉÛ¶·é³¹éæ¤É rc XNvgðC³·é±ÆÅ·D

  Slackware ÌêÍCrc.0 ©ç rc.6 Å·DDebian `bo' ÌêÍC±êÍ
  `halt' yÑ `reboot' ÉÈèÜ·D

  àµ±êÈOÌfBXgr[VÅÀsµ½êÍC±Ì¶ÉÇÁ·
  é½ßCèÆTvt@CðMÒÉ[ÅÁÄ¾³¢D

  ÍRAID â~ÌâèñðÌ½ßÌ  Bohumil Chalupa ³ñÌû@ðµÏ
  Xµ½àÌðgÁÄ¢Ü·DÞÌ¦µ½³Ìû@Í ``t^A''Åq×Ü·D

  ÌdpVXeÉÍ md0 ÈOÌ Linux p[eBVÍcÁÄ¢È¢Ì
  ÅCraidOK readonly ÌXe[^XðÛ¶·é½ßÉN®p[eBVð
  gÁÄ¢Ü·DMÒÍVbg_EÉ md ACÌXe[^XðÜÞN®
  p[eBVÆ»Ì¡»Ì¼ûÖt@Cð«ÝCmd foCXª[
  hI[ÅÄ}Eg³ê½±ÆðL^·é±ÆÉµÜµ½D±êÍn[h
  fBXNÌÇê©ªóê½Æ«ÌáQÎôÆÈèÜ·D

  Vbg_EXNvgÍC³³êC``rc.raidown'' Æ¢¤¼OÉÈèÜ
  ·D±êÍC³µÄN®µÄC RAID foCXð}Eg·é½ßÉKvÈ
  îñðÛ¶·é½ßÌàÌÅ·DefBXgr[VpÌVbg_E
  XNvgÌáÍ ``t^ B''ÅÐîµÜ·D

  RAID ACÌVbg_EÌÌXe[^Xð¾é½ßÉCSÄÌ case
  ¶(àµ êÎ)ÌãÅC©ÂCÀÛÌVbg_E(kill, óÔÛ¶)Æ
  t@CVXeÌA}EgÌOÌªÉ¨¢Ä ``rc.raidown''ðÄÑ
  oµÜ·D

  ############ Save raid boot and status info ##############
  #
    if [ -x /etc/rc.d/rc.raidown ]; then
      /etc/rc.d/rc.raidown
    fi
  ################## end raid boot #########################

  SÄÌt@CVXeªA}Eg³ê½ã([gt@CVXeÍ
  A}Egu³êÜ¹ñv)©ÂCd¹fÌXe[^X`FbNÌOÉÌ
  R}hðüêÜ·D

  ################ for raid arrays #########################
  # Stop all known raid arrays (except root which won't stop)
    if [ -x /sbin/mdstop ]; then
      echo "Stopping raid"
      /sbin/mdstop -a
    fi
  ##########################################################

  ±êÉæè[gÈOÌSÄÌ RAID foCXðÀSÉâ~³¹é±ÆªÅ«
  Ü·D[gÌXe[^XÍ raidstat.ro ÉL^³êCñÌN®ÉQÆ
  ³êÜ·D

  rc t@CðVµ¢ RAID ACCÜ¾  /root/raidboot/mnt É}Eg³
  êÄ¢ét@CVXeC(àµ¯¶}VÈçÎ) ìÆpVXeÌ
  »ê¼êÉRs[µÜ·D

  KvÉ¶Ät@CVXeÌetc/fstabÌC³ÆCt@CVX
  eÌ mdtab ª³µ¢©Ç¤©Ì`FbNðs¢Ü·D

  ³ÄCfBXNð DOS p[eBVÉRs[·êÎCRAID foCXð
  [gt@CVXeÆµÄVXeðN®·éõÍIíèÅ·D

          umount mnt
          losetup -d /dev/loop0
          gzip -9 rescue

  N®p[eBVÉ rescue.gz ðRs[µÜ·D

  céìÆÍCÝèt@C raidboot.conf ðìèCVXeðÄN®µÄV
  µ¢t@CVXeðeXg·é±Æ¾¯Å·D

  4.13.  Configuring RAIDBOOT - raidboot.conf

  ÝèáÌãÌRgÍCÝèt@CÌÅÌ3sÌ»ê¼êÉÂ¢ÄÌà
  ¾Å·DáÍ 4 hCuÌ SCSI RAID5 ACÅCN®p[eBVð
  sda1 Æ sdb1 hCuÉ¡»µÄ¢éêÌàÌÅ·DÀÛÉgp·éê
  ÉÍC±ÌãíèÉt@CVXeÉ¶½p[^ðÝèµÄ¾³
  ¢D

    /dev/sda1 /dev/sdb1
    linux
    raid5.conf
  # RgÍ3ÂÌÝèsÌuãvÉÌÝLq·é±ÆªÅ«Ü·D
  #
  # ±Ìt@CÍ 'raidboot.conf' Å·D
  #
  # 1sÚ, 'initrd' RAID-VXeÌ ép[eBV
  #       ±êçÌp[eBV©çN®·éKvÍ èÜ¹ñªCVX
  #       eÍtbs[fBXNÉÍüçÈ¢Åµå¤©çCVXe
  #       ðÇÌp[eBV©ç[h·éÌ©í©çÈ¯êÎÈèÜ¹ñD
  #
  # 2sÚ, raidboot ÌÝèîñÖÌpX
  #       Vbg_EÌXe[^XªN®ÉÇ±É éÌ©¦µÜ·D
  #       ±êÍ}Eg|CgÌîñÍÜÜ¸C'pX'
  #       /}Eg|Cg/'pX'ÌÝðÜÝÜ·D
  #
  # 3sÚ, RAID Ýèt@CÌt@C¼
  #       »ÝÌ RAID Ýèt@CÅ·©çCÂÜè raid1.conf,
  #       raid5.conf ÉÈèÜ·D

  4.14.  CRAID VXeÌ 'loadlin Æ LILO' ÌJ[lp[^w
  è

  ÆRAIDÌ2ÂÌJ[lp[^ª èÜ·ªCwè·éKvª éÌ
  ÍOÒÌÝÅ·D

  o  Raid_Conf=msdos,/dev/sda1,raidboot

       ±Ìp[^Í RAID N®foCXÆÝèt@CðwèµÜ
       ·Dtbs[fBXNÌVXeðN®·éêÉÍCJ[
       lÌR}hCC loadlin  é¢Í LILO ÌN®t@C
       É±ÌLqðµÜ·D

       ®: 't@CVXeÌíÞ,foCX,}Eg|Cg©ç
       Ýèt@CÖÌpX'

  o  Raid_ALT=-r,-p5,/dev/md0,/dev/sda3 /dev/sdb3 /dev/sdc3 /dev/sdd3

       mdadd Ìp[^ÌãíèÉÈèÜ·Dç·ÅÈ¢ RAID AC
       ©çN®·éÆ«ÉKvÆÈèÜ·Dmdadd ÌR}hCp
       [^ðR}æØèÅLqµÜ·Dj¹µ½/ñç·ACð®
       ©·Kvª éÆ«ÈOÉÍCRgAEg·é©'k¶
       ñ'ðwèµÜ·D

       ·Èí¿ Raid_ALT= ðwèµÜ·D

  ¢¸êÌp[^à LILO â loadlin ÌN®p[^t@C©C
  loadlin ÌJ[lR}hCÅwèÅ«Ü·Dµ©µCR}hC
  Åwè·éêÉÍCsÌÅåÌ·³(128¶)ðz¦È¢æ¤ÉÓµÄ
  ¾³¢D
  LILO ÅN®·éêÉÍCLILO ÌÝèt@CÖÌLqÍÌæ¤ÉÈèÜ
  ·D

  append="Raid_Conf=msdos,/dev/sda1,raidboot"
  append="Raid_ALT=-r,-p5,/dev/md0,/dev/sda3 /dev/sdb3 /dev/sdc3 /dev/sdd3"

  æèÚµÍman lilo.confðQÆµÄ¾³¢D

  MÒÍ DOS ÌÝè[eBeBðKvÆ·én[hEFAðÁÄ¢éÌ
  ÅCVXeÉ¬³È DOS p[eBVðìÁÄ¢Ü·Dµ½ªÁÄCÎ
  ÉÈéfBXNãÉ~[(Rs[)ðÂ RAID5 VXeðN®·éÌÉ
  loadlin ðgÁÄ¢Ü·D¯¶û@ð RAID1 VXeÅàgÁÄ¢Ü·DÈ
  ºÌáÅÍ loadlin ðgÁÄ¢Ü·ªCâèûÍ LILO ÆæÄ¢Ü·D

  KvÉ¶Ä loadlin ÌN®p[^ðÒWµ½èCeXgÉXbv
  fBXNãÅ Linux VXeðN®Å«éæ¤ÉCDOS É[gðÂVX
  eÉÍ¬³¢GfB^ðüêÄ¢Ü·D

  DOS VXeÉÍ Linux Ì½ßÉÈºÌæ¤Èt@CðÁÄ¢Ü·D

          c:\raidboot.bat
          c:\raidboot\loadlin.exe
          c:\raidboot\zimage
          c:\raidboot\rescue.gz
          c:\raidboot\raidboot.cfg
          c:\raidboot\raidboot.etc
          c:\raidboot\raidgood.ref
          c:\raidboot\raidstat.ro       (only at shutdown)

  ---------------------- linux.bat ---------------------------
  echo "Start the LOADLIN process:"
  c:\raidboot\loadlin @c:\raidboot\boot.par
  -------------------- end linux.bat -------------------------

  boot.par ÌàeÍÈºÅ·D

          # loadlin boot parameter file
          #
          # version 1.02 3-6-98

          # linux kernel image
          c:\linux\zimage

          # target root device
          root=/dev/md0
          #root=/dev/ram0
          #root=/dev/sdc5

          # mount root device as 'ro'
          ro

          # size of ram disk
          ramdisk_size=16384

          # initrd file name
          initrd=c:\raidboot\rescue.gz
          #noinitrd

          # memory ends here
          mem=131072k

          # points to raid boot device, configuration file
          # for floppy rescue boot, you may want to specify
          # this on the command line instead of here
          # format 'filesystem-type,device,path-to-config-frm_mntpnt'
          Raid_Conf=msdos,/dev/sda1,raidboot

          # Alternate mdadd parameters
          # necessary when boot with non-redundant raid
          # otherwise, COMMENT OUT OR SPECIFY 'NULL'
          #Raid_ALT=-r,-p5,/dev/md0,/dev/sda3 /dev/sdb3 /dev/sdc3 /dev/sdd3

          # ethernet devices
          ether=10,0x300,eth0

  ***** >> Ó!! VXeÌN®ÆCRAID foCXÌ}EgÌêÅ
              ÍCloadlin Ìp[^ª

                  root=/dev/ram0          for the rescue system
                  root=/dev/md0           for RAID

              Ìæ¤ÉÙÈé¾¯Å·Droot=/dev/ram0 ðwè·éÆCRAID
              foCXÍ}Eg³ê¸CK¸VXeªN®³êÜ·D

  RAID ACÌF¯É¸s·éÆCVXeÍ}Eg³êC®ìµÜ
  ·D

  5.  MÒÌdp RAID VXeÌÝè

  5.1.  VXeÌdl ¯¶}U[{[hªüÁÄ¢é2ÂÌVXeÌÝèð
  ÈºÉ¦µÜ·D

                                    Raid-1          Raid-5
  }U[{[h:   Iwill P55TU     IDE * 2         Adaptec SCSI
  vZbT:     Intel P200
  fBXN:                       7G * 2          Segate 4.2G * 4
                                  Maxtors         Wide SCSI

  fBXNhCuÍ RAID5 Ì}VÅÍ 'sda' ©ç 'sdd' ÆF¯³êC
  RAID1 ÌVXeÅÍ 'hda', 'hdc' ÆF¯³êÄ¢Ü·D

  5.2.  n[hfBXNÌp[eBVª

  ÄN®Ì ckraid Ìâèª é½ßC[gÉ}EgÂ\È RAID AC
  ðeXg·é±ÆÍåÏÈÌÅCMÒÍXbvp[eBVðØè¼µC
  eXgpÌ¬³¢ RAID p[eBV(sda6,sdb6,sdc6,sdd6)ð±±Éì
  èC¬³¢[gp[eBVÆ /usr/src p[eBVÌgð RAID p
  J[lÆc[ÌìÆpÆeXgpÉ»ê¼êìèÜµ½D±êÍÖÈû
  @¾Æv¢Ü·D

          <bf/ìÆpVXe - RAID5/
     foCX     VXe        TCY  ÚI

    /dev/sda1     DOS N®        16M     N®p[eBV
  * /dev/sda2     extended        130M    (à¾QÆ)
    /dev/sda3     linux native    4G      vC} RAID5-1
  ----------------------sda2------------------------------
  * /dev/sda5     linux swap      113M    Xbv
  * /dev/sda6     linux native    16M     eXg RAID5-1
  ========================================================
    /dev/sdb1     dos boot        16M     N®p[eBV¡»
  * /dev/sdb2     extended        130M    (à¾QÆ)
    /dev/sdb3     linux native    4G      vC} RAID5-2
  ----------------------sdb2------------------------------
  * /dev/sdb5     linux swap      113M    Xbv
  * /dev/sdb6     linux native    16M     eXg RAID5-2
  ========================================================
  * /dev/sdc2     extended        146M    (à¾QÆ)
    /dev/sdc3     linux native    4G      vC} RAID5-3
  ----------------------sdc2------------------------------
  * /dev/sdc5     linux swap      130M    ìÆp[gp[eBV
  * /dev/sdc6     linux native    16M     eXg RAID5-3
  ========================================================
  * /dev/sdd2     extended        146M    (à¾QÆ)
    /dev/sdd3     linux native    4G      vC} RAID5-4
  ----------------------sdd2------------------------------
  * /dev/sdd5     linux swap      130M    ìÆp /usr/src
  * /dev/sdd6     linux native    16M     eXg RAID-4

          <bf/ìÆpVXe - RAID1/
     foCX     VXe        TCY  ÚI

    /dev/hda1     DOS             16M     N®p[eBV
  * /dev/hda2     extended        126M    (à¾QÆ)
    /dev/hda3     linux           126M    ìÆp[gp[eBV
    /dev/hda4     linux           6+G     RAID1-1
  ----------------------hda2------------------------------
  * /dev/hda5     linux            26M    eXg RAID1-1
  * /dev/hda6     linux swap      100M
  ========================================================

    /dev/hdc1     hda1 ÌPÈéRs[Dµ½ªÁÄChda ªÌá
                  µ½êÉÍANeBuÉ·é±ÆªÅ«é
  * /dev/hdc2     extended        126M    (à¾QÆ)
    /dev/hdc3     linux           126M    ìÆp /usr/src
    /dev/hdc4     linux           6+G     RAID1-2
  ----------------------hdc2------------------------------
  * /dev/hdc5     linux            26M    eXg RAID1-2
  * /dev/hdc6     linux swap      100M

  sdx2 Æ hdx3 p[eBVÍC[eBeBÌJªIíÁ½ãÉÍC
  ½ÌÅ·ªC¼Ì Linux }VÌCuâJ[lª1NÈãÃ¢àÌ
  ¾Á½ÌÅC^[Qbg}VÅìé±ÆÉµÜµ½D

  p[eBVÌØèûÍCfBXNÌÇê©ªóêÄµÜÁ½êÉàCV
  XeªÅ«é¾¯ÈPÉN®µ±¯éæ¤ÉÅ«Cf[^à¸íÈ¢æ¤É
  ßÜµ½D

  o  1ÂÌn[hfBXNªóê½êCN®Í¸sµCVXeªÒµ
     Ü·DæÊãÌbZ[W©C /dosx/raidboot/raidstat.ro ð²×ê
     ÎCóê½ACÌXe[^Xðmé±ÆªÅ«Ü·D

  o  sda1(RAID5) © hda1(RAID1) ªÌáµ½êCDOS ÌobNAbvN®p
     [eBVðuANeBuvÉµCBIOS É Vµ¢p[eBVðN
     ®foCXÆµÄF¯³¹é©C é¢ÍC¨IÉ xda p[eBV
     ðÚ®³¹È¯êÎÈèÜ¹ñD»ÌãíèÉCinitrd C[WðgÁÄ
     tbs[fBXN©çcÁÄ¢éobNAbvN®hCuãÌVXe
     ðN®·é±ÆàÅ«Ü·D»ÌãCcÁÄ¢éX[p[ubNðÄ
     \z·é½ßCÌR}hðÀs·é±ÆÅ RAID VXeðÄÑAN
     eBuÉ·é±ÆªÅ«Ü·D

              "/sbin/mkraid /etc/raid<it/x/.conf -f --only-superblock"

  o  ±êðsÁ½ãC

             mdadd -ar

  ðÀsµÜ·D

  o  âèªÈ¢±Æð¸·é½ßCACÌXe[^Xð²×C»ê©çC
     óê½fBXNªC³êé©ð·³êéÜÅC³íÈACÌQÆXe
     [^Xð»ÝÌXe[^XÅu«·¦Ü·D

             cat /proc/mdstat | grep md0 > /dosx/raidboot/raidgood.ref

             shutdown -r now

  ÉæÁÄ³íÈÄN®ðs¢CVXeð³¹Ü·D

  6.  RAID t@CVXeÌ\z

  ±ÌLqÍCVXedlÅq×½MÒÌ RAID1 VXeÉÖµÄÌàÌÅ
  ·D È½ÌVXeªÙÈé RAID ÌA[LeN`ðÌpµÄ¢éê
  ÍCKXC³µÄ¾³¢DÚµÍ raidtools-0.42 Ét®µÄ¢éI
  C}jA©CQuickStart.RAID ðQÆµÄ¾³¢D

  6.1.  /etc/raid5.conf

          # raid-5 configuration
          raiddev                 /dev/md0
          raid-level              5
          nr-raid-disks           4
          chunk-size              32

          # Parity placement algorithm
          parity-algorithm        left-symmetric

          # Spare disks for hot reconstruction
          #nr-spare-disks         0

          device                  /dev/sda3
          raid-disk               0

          device                  /dev/sdb3
          raid-disk               1

          device                  /dev/sdc3
          raid-disk               2

          device                  /dev/sdd3
          raid-disk               3

  6.2.  /etc/raid1.conf

          # raid-1 configuration
          raiddev                 /dev/md0
          raid-level              1
          nr-raid-disks           2
          nr-spare-disks          0

          device                  /dev/hda4
          raid-disk               0

          device                  /dev/hdc4
          raid-disk               1

  6.3.  dp RAID t@CVXeð\z·é½ßÌïÌIè

  MÒÌ RAID5 VXeÅÍCÈºÌàÌðCXg[µÄ¢Ü·D

          Slackware-3.4           ÇÌfBXgr[VÅàåävÅµå¤
          linuxthreads-0.71
          raidtools-0.42
          linux-2.0.33 É raid145 pb`Æ Gadi Ìpb`ðÄ½àÌ

  RAID foCXðì¬CtH[}bgµÜ·D

          mkraid /etc/raid5.conf
          mdcreate raid5 /dev/md0 /dev/sda3 /dev/sdb3 /dev/sdc3 /dev/sdd3
          mdadd -ar
          mke2fs /dev/md0
          mkdir /md
          mount -t ext2 /dev/md0 /md

  reboot ªg¤QÆt@Cðì¬µÜ·D±êÍÇÒÌVXeÅÍÙÈé
  ©àµêÜ¹ñD

          cat /proc/mdstat | grep md0 > /dosa/raidboot/raidgood.ref
          cat /proc/mdstat | grep md0 > /dosb/raidboot/raidgood.ref

  Slackware-3.4 Ü½ÍÊÌpbP[Wðp¢ÄCOS ðCXg[µÜ·D

          setup

  CXg[æÉÍ `/md' ðCCXg[³ÉÍÇÒªigÁÄ¢éà
  ÌðwèµÜ·DJ[lðKvÈfBXNZbgðIðCCXg[
  µÜ·D(Slackware Ìê)VXeÝè(Configure)ðÀsµÜ·ªClilo
  ÆJ[lÌN®ÌÚÍòÎµÜ·DÅãÉ setup R}hðI¹µÜ
  ·D

  `pthreads' ðCXg[µÜ·D

          cd /usr/src/linuxthreads-0.71

  Makefile ðÒWµCÂ«ÏðwèµÜ·D

          BUILDIR=/md

          make
          make install

  `raidtools' ðCXg[µÜ·D

          cd /usr/src/raidtools-0.42
          configure --sbindir=/md/sbin --prefix=/md/usr

  raidtools Ì `make install' Å¶·éG[ðC³µÜ·D

          cd /md/sbin
          rm mdrun
          rm mdstop
          ln -s mdadd mdrun
          ln -s mdadd mdstop

  /dev/mdx ðìèÜ·D

          cp -a /dev/md* /md/dev

  »ÝÌVXe©çVXeÝèðÇÁµÜ·(G[Í³µÜ·)D

          cp -dp /etc/* mnt/etc
          cp -dp /etc/rc.d/* mnt/etc/rc.d         (Vµ¢ rc.6 ðÜÞ)
          mkdir  mnt/lib/modules
          cp -a  /lib/modules/2.x.x mnt/lib/modules <-- »ÝgÁÄ¢éJ[l 2.x.x Ìo[W

  ÈºÌt@CðÒWµCÇÒÌt@CVXeÉí¹ÄC³µÜ·D

          cd /md

  ñlbg[NÖW
          etc/fstab       ÀÛÌ[gt@CVXeÆ RAID foCXpÉC³µÜ·
          etc/mdtab       ¤Ü®ì·éÍ¸Å·
  lbg[NÖW
          etc/hosts
          etc/resolv.conf
          etc/hosts.equiv         yÑÖAt@C
          etc/rc.d/rc.inet1       IP AhXClbg}XNCQ[gEFC
          etc/rc.d/rc.S           t@CVXeÌXe[^XÉÂ¢ÄÌªðSÄí
                          # Test to see if the root partition isread-only
                  Ìª©ç
                          # remove /etc/mtab* so that mount will .....
                  ÜÅðÜÜÈ¢æ¤ÉµÜ·D±êÉæèCRAM fBXNª
                  ÇÝ«Â\Å}Eg³êéÆoé¤é³¢EH[jO
                  ªoÈÈèÜ·D
          etc/rc.d/rc.xxxxx       KvÈçÎ¼Ìt@Cà
          root/.rhosts            àµ¶Ý·êÎ
          home/xxxx/xxxx          KvÈçÎ¼Ìt@Cà

      x:       ±ÌìÅCpX[hÆVhEpX[hÌt@Cà
                  Vµ¢t@CVXeÉÚ³êÜ·I±êÍZLeB
                  Ì_©çÍC]ÜµÈ¢©àµêÜ¹ñD

  VXeãÅêÓÅ é±ÆªKvÈ /dev/disk... ð}Eg·é½ßÌ«
  ðì¬µÜ·DMÒÌêÍÈºÌæ¤ÉÈèÜµ½D

          cd /md          <-- Vµ¢t@CVXeÌ[g
          mkdir dosa                      DOSp[eBVÌ}Eg|Cg

          mkdir dosb                      DOS ~[p[eBVÌ}Eg|Cg

  Vµ¢t@CVXeÍ®¬Å·Dmd ÌQÆXe[^Xð `ÀÛÌ'[g
  foCXÉmFEÛ¶·êÎCN®ÌõÍIíèÅ·D

  DOS p[eBVð dosa, dosb É}EgµÜ·D

          cat /proc/mdstat | grep md0 > /dosa/raidboot/raidgood.ref
          cat /proc/mdstat | grep md0 > /dosb/raidboot/raidgood.ref

          mdstop /dev/md0

  7.  ÅãÉÓ·é_

  BlÆÍC ébèÉÂ¢Ä È½æèÈÆà1%½Ì±ÆðmÁÄ¢é
  lÌ±ÆÅ é±ÆðYêÈ¢Å¾³¢DÉ¯ðßé[ðo·Æ
  «ÉÍ±Ì_ðYêÈ¢Å¾³¢DÍÀ±ðµÜµ½ªC»êÍ RAID1,
  RAID5 ÉÂ¢Ä½Á½êx¸Â¾¯ÈÌÅ·I

  Michael Robinton Michael@bzs.org <mailto:michael@bzs.org>

  8.  t^ A. Bohumil Chalupa ³ñÉæé md0 ÌVbg_E

  Bohumil Chalupa ³ñÌ Linux RAID [OXgÖÌeÅCRAID1, 5
  ÅÌ mdstop ÌâèÌñðû@Å·D±Ìû@ÅÍCVbg_EÌÉ
  RAID foCXªóêÄ¢éÂ\«ÍzèµÄ¢Ü¹ñD»±ÅCMÒªu[
  gÌ³íÈQÆXe[^XðÈPÉär·éæ¤ÉµÜµ½D±êÉæèC
  ACÉÙíª éÆ«CIy[^ª²®·é±ÆªÅ«Ü·D±êÉÂ¢
  ÄÌÚ×Í{¶Åq×Ä¢Ü·D
  > From: Bohumil Chalupa <bochal@apollo.karlov.mff.cuni.cz>
  >
  > initrd Æ linuxrc ðgÁÄRAID1 ACð®©µC»ê©ç root ð
  > /dev/md0 É¤ÜØÖ¦é±ÆÅ«Üµ½D
  >
  > µ©µCACð³íÉ *~ßé* û@Íí©èÜ¹ñD

  »êÅÍCª¨¦µÜµå¤ :-)

  > Date: Mon, 29 Dec 1997 02:21:38 -0600 (CST)
  > From: Edward Welbon <welbon@bga.com>
  > Subject: Re: dismounting root raid device
  >
  > RAID0 ÈOÌ md foCXÉÂ¢ÄÍCSÄÌ«ÝªI¹µÄ¢é±Æ
  > ðmé½ßÉXe[^XðÛ¶·éÆv¢Ü·Dà¿ëñC±Ìæ¤ÈXe[
  > ^XÍ[hI[Å}Eg³êé[gt@CVXeÉÂ¢ÄÍ
  > Û¶³êÜ¹ñD±Ìæ¤ÈêC[hI[Ì[gt@CVXe
  > É«ÝÂ\Èt@CVXe "X" ð}EgÂ\ÅC"X" É«
  > ÝªÅ«ÈÄÍÈèÜ¹ñ(""ÌìÅà±êðs¢Ü·ªC±¿
  > çÍ©®ÅÍ èÜ¹ñ)D
  >
  > t@CVXe "X" Í RAID(initrd oRÅ linuxrc ªÀs)ªúXe[
  > ^Xðæ¾·éu[gfoCXÆ¼èµÜ·DK¢ raid0 ÍXe[^X
  > «ÝÌKvª èÜ¹ñ(mdstop ÌãÉ mdtab É`FbNTð«o
  > ·±ÆªÅ«êÎðµ¢ÌÅ·ª)D
  > Æè ¦¸±êð¢¶ÁÄÝÜ·ªC"devil" ªíÉ "details" ÉÜÜê
  > Ü·ªCïµÍÈ³»¤Å·D

  »¤Å·ËD
  à¯¶ACfBAðl¦Ä¢½ÌÅ·ªC·Ôª èÜ¹ñÅµ½D
  »êÅCðúâÁÄÝ½Æ±ëC¤Ü®«Üµ½D

  ¤¿Ì RAID1(~[)ÅÍC`FbNTâRAIDÌX[p[ubNÌf[^
  ÌÛ¶ÍsÁÄ¢Ü¹ñD"ÀÛ"Ìu[gp[eBVÌîñCÂÜè[
  gÉèÄ½ md {[ªVbg_EÉ[hI[ÅÄ}E
  g³ê½±Æ¾¯ðÛ¶µÄ¢Ü·D»µÄCN®É linuxrc XNv
  gª±Ìîñð©Â¯êÎ mkraid --only-superblock ðÀsµC±êª©Â
  ©çÈ¯êÎ ckraid ðÀsµÜ·D
  ÂÜèCRAID ÌX[p[ubNîñÍVbg_EÉÍXV³ê¸C
  N®ÉXV³êÜ·D
   Üè·Á«èµ½û@ÅÈ¢ÌÅ·ªC :-( ®¢ÄÍ¢Ü·D

  ÍRAIDfoCXð[gÉµÄN®·é½ßÉ Edward Welbon ³ñÌ
  initrd.md Æ Slackware Ìg¹ðgÁÄ¢Ü·D
  Ìo¦Ä¢éÀèÅÍCC³µ½t@CÍ mkdisk, linuxrc ÆVbg
  _EpÌXNvg /etc/rc.d/rc.6 ¾¯Å·D
  à¿ëñC lilo.conf ÍC³µÜµ½D

  dvÈªð[ÉYtµÄ¨«Ü·D

  Bohumil Chalupa

  --------------- my.linuxrc follows -----------------
  #!/bin/sh
  # we need /proc
  /bin/mount /proc
  # start up the md0 device. let the /etc/rc.d scripts get the rest of them
  # we should do as little as possible here
  # ________________________________________
  # root raid1 shutdown test & recreation
  # /start must be created on the rd image in my.mkdisk
  echo "preparing md0: mounting /start"
  /bin/mount /dev/sda2 /start -t ext2
  echo "reading saved md0 state from /start"
  if [ -f /start/root.raid.ok ]; then
   echo "raid ok, modyfying superblock"
   rm /start/root.raid.ok
   /sbin/mkraid /etc/raid1.conf -f --only-superblock
  else
   echo "raid not clean, runing ckraid --fix"
   /sbin/ckraid --fix /etc/raid1.conf
  fi
  echo "unmounting /start"
  /bin/umount /start
  # _________________________________________
  #
  echo "adding md0 for root file system"
  /sbin/mdadd /dev/md0 /dev/sda1 /dev/sdb1
  echo "starting md0"
  /sbin/mdrun -p1 /dev/md0
  # tell kernel we want to switch to /dev/md0 as root device, the 0x900 value
  # is arrived at via 256*major_device_number + minor_device number.
  echo "setting real-root-dev"
  /bin/echo 0x900>/proc/sys/kernel/real-root-dev
  #  unmount /proc so that the ram disk can be deallocated.
  echo "unmounting /proc"
  /bin/umount /proc
  /bin/echo "We are hopefully ready to mount /dev/md0 (major 9, minor 0) as
  root"
  exit
  --------------- end of my.linuxrc ----------------------------------

  ----------- extract from /etc/rc.d/rc.6 follows -----------------
    # Turn off swap, then unmount local file systems.
    echo "Turning off swap."
    swapoff -a
    echo "Unmounting local file systems."
    umount -a -tnonfs
    # Don't remount UMSDOS root volumes:
    if [ ! "`mount | head -1 | cut -d ' ' -f 5`" = "umsdos" ]; then
      mount -n -o remount,ro /
    fi

    # Save raid state
    echo "Saving RAID state"
    /bin/mount -n /dev/sda2 /start -t ext2
    touch /start/root.raid.ok
    /bin/umount -n /start

  -------------- end of excerpt from rc.6 ------------------------

  ------------------ part of my.mkdisk follows ----------------------
  #
  #  now we have the filesystem ready to be populated, we need to
  #  get a few important directories.  I had endless trouble till
  #  I created a pristine mtab.  In my case, it is convenient that
  #  /etc/mdtab is copied over, this way I can activate md with
  #  a simple "/sbin/mdadd -ar" in linuxrc.
  #
  cp -a $ROOT/etc $MOUNTPNT 2>cp.stderr 1>cp.stdout
  rm -rf $MOUNTPNT/etc/mtab
  rm -rf $MOUNTPNT/etc/ppp*
  rm -rf $MOUNTPNT/etc/termcap
  rm -rf $MOUNTPNT/etc/sendmail*
  rm -rf $MOUNTPNT/etc/rc.d
  rm -rf $MOUNTPNT/etc/dos*
  cp -a $ROOT/sbin $ROOT/dev $ROOT/lib $ROOT/bin $MOUNTPNT 2>>cp.stderr
  1>>cp.stdout
  # _____________________________________________________________________
  #  RAID: will need mkraid and ckraid
  cp -a $ROOT/usr/sbin/mkraid $ROOT/usr/sbin/ckraid $MOUNTPNT/sbin
  2>>cp.stderr 1>>cp.stdout
  # ---------------------------------------------------------------------
  #  it seems that init wont come out to play unless it has utmp.   this can
  #  probably be pruned back alot.  no telling what the real bug was 8-).
  #
  mkdir $MOUNTPNT/var $MOUNTPNT/var/log $MOUNTPNT/var/run $MOUNTPNT/initrd
  touch $MOUNTPNT/var/run/utmp $MOUNTPNT/etc/mtab
  chmod a+r $MOUNTPNT/var/run/utmp $MOUNTPNT/etc/mtab
  ln -s /var/run/utmp $MOUNTPNT/var/log/utmp
  ln -s /var/log/utmp $MOUNTPNT/etc/utmp
  ls -lstrd $MOUNTPNT/etc/utmp $MOUNTPNT/var/log/utmp $MOUNTPNT/var/run/utmp
  #
  #  since I wanted to change the mount point, I needed this though
  #  I suppose that I could have done a "mkdir /proc" in linuxrc.
  #
  mkdir $MOUNTPNT/proc
  chmod 555 $MOUNTPNT/proc
  #
  #  ------------------------------------------------------
  #  we'll mount the real boot device to /start temporarily
  #  to check the root raid state saved at shutdown time
  #
  mkdir $MOUNTPNT/start
  #  -------------------------------------------------------
  #
  #  need linuxrc  (it is, after all, the point of this exercise).
  #
  if [ -x ./my.linuxrc ]; then
    cp -a ./my.linuxrc $MOUNTPNT/linuxrc
    chmod 777 $MOUNTPNT/linuxrc
  else
     ln -s /bin/sh $MOUNTPNT/linuxrc
  fi
  #
  ----------------- part of my.mkdisk ends -----------------

  9.  Vbg_EXNvgÌá

  o  ``Slackware''

  o  ``Debian''

  9.1.  Slackware - /etc/rc.d/rc.6

  #! /bin/sh
  #
  # rc.6          This file is executed by init when it goes into runlevel
  #               0 (halt) or runlevel 6 (reboot). It kills all processes,
  #               unmounts file systems and then either halts or reboots.
  #
  # Version:      @(#)/etc/rc.d/rc.6      1.50    1994-01-15
  #
  # Author:       Miquel van Smoorenburg <miquels@drinkel.nl.mugnet.org>
  # Modified by:  Patrick J. Volkerding, <volkerdi@ftp.cdrom.com>
  #
  # Modified by:  Michael A. Robinton < michael@bizsystems.com >
  #               to add call to rc.raidown
    # Set the path.
    PATH=/sbin:/etc:/bin:/usr/bin

    # Set linefeed mode to avoid staircase effect.
    stty onlcr

    echo "Running shutdown script $0:"

    # Find out how we were called.
    case "$0" in
          *0)
                  message="The system is halted."
                  command="halt"
                  ;;
          *6)
                  message="Rebooting."
                  command=reboot
                  ;;
          *)
                  echo "$0: call me as \"rc.0\" or \"rc.6\" please!"
                  exit 1
                  ;;
    esac

  ############ Save raid boot and status info ##############
  #
  if [ -x /etc/rc.d/rc.raidown ]; then
     /etc/rc.d/rc.raidown
  fi
  ################## end raid boot #########################

    # Kill all processes.
    # INIT is supposed to handle this entirely now, but this didn't always
    # work correctly without this second pass at killing off the processes.
    # Since INIT already notified the user that processes were being killed,
    # we'll avoid echoing this info this time around.
    if [ "$1" != "fast" ]; then # shutdown did not already kill all processes
      killall5 -15
      killall5 -9
    fi

    # Try to turn off quota and accounting.
    if [ -x /usr/sbin/quotaoff ]
    then
          echo "Turning off quota."
          /usr/sbin/quotaoff -a
    fi
    if [ -x /sbin/accton ]
    then
          echo "Turning off accounting."
          /sbin/accton
    fi

    # Before unmounting file systems write a reboot or halt record to wtmp.
    $command -w

    # Save localtime
    [ -e /usr/lib/zoneinfo/localtime ] && cp /usr/lib/zoneinfo/localtime /etc

    # Asynchronously unmount any remote filesystems:
    echo "Unmounting remote filesystems."
    umount -a -tnfs &

    # Turn off swap, then unmount local file systems.
    echo "Turning off swap."
    swapoff -a
    echo "Unmounting local file systems."
    umount -a -tnonfs
    # Don't remount UMSDOS root volumes:
    if [ ! "`mount | head -1 | cut -d ' ' -f 5`" = "umsdos" ]; then
      mount -n -o remount,ro /
    fi

  ################ for raid arrays #########################
  # Stop all known raid arrays (except root which won't stop)
  if [ -x /sbin/mdstop ]; then
    echo "Stopping raid"
    /sbin/mdstop -a
  fi
  ##########################################################

    # See if this is a powerfail situation.
    if [ -f /etc/powerstatus ]; then
      echo "Turning off UPS, bye."
      /sbin/powerd -q
      exit 1
    fi

    # Now halt or reboot.
    echo "$message"
    [ ! -f /etc/fastboot ] && echo "On the next boot fsck will be FORCED."
    $command -f
  ############### end rc.6 #################################

  9.2.  Debian bo - /etc/init.d/halt and /etc/init.d/reboot

  The modifications shown here for Debian bo halt and reboot files are
  NOT TESTED. When you test this, please e-mail me so I can remove this
  comment.

  9.2.1.  /etc/init.d/halt

  #! /bin/sh
  #
  # halt          The commands in this script are executed as the last
  #               step in runlevel 0, ie halt.
  #
  # Version:      @(#)halt  1.10  26-Apr-1997  miquels@cistron.nl
  #

  PATH=/sbin:/bin:/usr/sbin:/usr/bin

  ############ Save raid boot and status info ##############
  #
  if [ -x /etc/rc.d/rc.raidown ]; then
     /etc/rc.d/rc.raidown
  fi
  ################## end raid boot #########################

  # Kill all processes.
  echo -n "Sending all processes the TERM signal... "
  killall5 -15
  echo "done."
  sleep 5
  echo -n "Sending all processes the KILL signal... "
  killall5 -9
  echo "done."

  # Write a reboot record to /var/log/wtmp.
  halt -w

  # Save the random seed between reboots.
  /etc/init.d/urandom stop

  echo -n "Deactivating swap... "
  swapoff -a
  echo "done."

  echo -n "Unmounting file systems... "
  umount -a
  echo "done."

  mount -n -o remount,ro /

  ################ for raid arrays #########################
  # Stop all known raid arrays (except root which won't stop)
  if [ -x /sbin/mdstop ]; then
    echo "Stopping raid"
    /sbin/mdstop -a
  fi
  ##########################################################

  # See if we need to cut the power.
  if [ -x /etc/init.d/ups-monitor ]
  then
          /etc/init.d/ups-monitor poweroff
  fi

  halt -d -f
  ############# end halt ####################

  9.2.2.  /etc/init.d/reboot

  #! /bin/sh
  #
  # reboot        The commands in this script are executed as the last
  #               step in runlevel 6, ie reboot.
  #
  # Version:      @(#)reboot  1.9  02-Feb-1997  miquels@cistron.nl
  #

  PATH=/sbin:/bin:/usr/sbin:/usr/bin

  ############ Save raid boot and status info ##############
  #
  if [ -x /etc/rc.d/rc.raidown ]; then
     /etc/rc.d/rc.raidown
  fi
  ################## end raid boot #########################

  # Kill all processes.
  echo -n "Sending all processes the TERM signal... "
  killall5 -15
  echo "done."
  sleep 5
  echo -n "Sending all processes the KILL signal... "
  killall5 -9
  echo "done."

  # Write a reboot record to /var/log/wtmp.
  halt -w

  # Save the random seed between reboots.
  /etc/init.d/urandom stop

  echo -n "Deactivating swap... "
  swapoff -a
  echo "done."

  echo -n "Unmounting file systems... "
  umount -a
  echo "done."

  mount -n -o remount,ro /

  ################ for raid arrays #########################
  # Stop all known raid arrays (except root which won't stop)
  if [ -x /sbin/mdstop ]; then
    echo "Stopping raid"
    /sbin/mdstop -a
  fi
  ##########################################################

  echo -n "Rebooting... "
  reboot -d -f -i

  10.  t^ C: »Ì¼ÌÝèt@C

  10.1.  linuxrc``linuxrc file''

  10.2.  loadlin -- linux.bat file - boot.par``linux.bat file -
  boot.par''

  10.3.  linuxthreads Makefile.diff``linuxthreads Makefile.diff''

  10.4.  raid1.conf``raid1.conf''

  10.5.  raid5.conf``raid5.conf''

  10.6.  raidboot.conf``raidboot.conf''

  10.7.  rc.raidown``rc.raidown''

  11.  t^ D: Ã¢ linuxrc ÆVbg_EXNvg

  11.1.  Ã¢t@C - linxurc

  ±Ì linuxrc t@CÍÌßÅ¦·Vbg_EXNvgÆgÝí
  ¹êÎ³µ®ìµÜ·D

   ---------------------- linuxrc --------------------
  #!/bin/sh
  # ver 1.07 2-12-98
  # linuxrc - for raid1 using small dos partition and loadlin
  #

  # mount the proc file system
  /bin/mount /proc

  # This may vary for your system.
  # Mount the dos partitions, try both
  # in case one disk is dead
  /bin/mount /dosa
  /bin/mount /dosc

  # Set a flag in case the raid status file is not found
  # then check both drives for the status file
  RAIDOWN="raidstat.ro not found"
  /bin/echo "Reading md0 shutdown status."
  if [ -f /dosa/raidboot/raidstat.ro ]; then
    RAIDOWN=`/bin/cat /dosa/raidboot/raidstat.ro`
    RAIDREF=`/bin/cat /dosc/raidboot/raidgood.ref`
  else
    if [ -f /dosc/raidboot/raidstat.ro ]; then
      RAIDOWN=`/bin/cat /dosc/raidboot/raidstat.ro`
      RAIDREF=`/bin/cat /dosc/raidboot/raidgood.ref`
    fi
  fi

  # Test for a clean shutdown with all disks operational
  if [ "${RAIDOWN} != ${RAIDREF}" ]; then
    echo "ERROR ${RAIDOWN}"
  #  Use the next 2 lines to BAIL OUT and leave rescue running
     /bin/echo 0x100>/proc/sys/kernel/real-root-dev
     exit                 # leaving the error files in dosa/raidboot,etc...
  fi

  # The raid array is clean, proceed by removing
  # status file and writing a clean superblock
  /bin/rm /dosa/raidboot/raidstat.ro
  /bin/rm /dosc/raidboot/raidstat.ro
  /sbin/mkraid /etc/raid1.conf -f --only-superblock

  /bin/umount /dosa
  /bin/umount /dosc

  # Mount raid array
  echo "Mounting md0, root filesystem"
  /sbin/mdadd -ar

  #  If there are errors - BAIL OUT and leave rescue running
  if [ $? -ne 0 ]; then
     echo "RAID device has errors"
  #  Use the next 3 lines to BAIL OUT
     /bin/rm /etc/mtab            # remove bad mtab
     /bin/echo 0x100>/proc/sys/kernel/real-root-dev
     exit
  fi

  # else tell the kernel to switch to /dev/md0 as the /root device
  # The 0x900 value the device number calculated by:
  #  256*major_device_number + minor_device number
  /bin/echo 0x900>/proc/sys/kernel/real-root-dev

  # umount /proc to deallocate initrd device ram space
  /bin/umount /proc
  /bin/echo "/dev/md0 mounted as root"
  exit
  #------------------ end linuxrc ----------------------

  11.2.  Ã¢t@C - Vbg_EXNvg

  ±ÌVbg_EXNvgÍOÉ¦µ½ linuxrc ÆgÝí¹êÎ³µ
  ®ìµÜ·D

  RAID ACÌVbg_EÌXe[^Xð¾é½ßÉCt@CVXe
  ðA}Eg·é¼OÉÈºÌsð}üµÜ·D

          RAIDSTATUS=`/bin/cat /proc/mdstat | /usr/bin/grep md0`

  SÄÌt@CVXeðA}Egµ½ã([gt@CVXeÍA
  }Egu³êÜ¹ñv)ÌªÉCÈºðÇÁµÜ·D

          # root device remains mounted RO
          # mount dos file systems RW
          mount -n -o remount,ro /
          echo "Writing RAID read-only boot FLAG(s)."
          mount -n /dosa
          mount -n /dosc
          # create raid mounted RO flag in duplicate
          # containing the shutdown status of the raid array
          echo ${RAIDSTATUS} > /dosa/raidboot/raidstat.ro
          echo ${RAIDSTATUS} > /dosc/raidboot/raidstat.ro

          umount -n /dosa
          umount -n /dosc

          # Stop all the raid arrays (except root)
          echo "Stopping raid"
          mdstop -a

  ±êÉæÁÄC[gÈOÌSÄÌ RAID foCXª³íÉI¹µÜ·D[
  gÌXe[^XÍ raidstat.ro ÉÛ¶³êCñÌN®ÉQÆ³êÜ·D

  MÒªÈOÉ RAID1 Ì Slackware VXeÅgÁÄ¢½Vbg_EXN
  vgÌSÌðÈºÉ¦µÜ·DMÒÍ RAID1 ©ç /etc/raidboot.conf
  t@Cðg¤Vµ¢û@Éæè·¦Ä¢Ü·D

  #! /bin/sh
  #
  # rc.6          This file is executed by init when it goes into runlevel
  #               0 (halt) or runlevel 6 (reboot). It kills all processes,
  #               unmounts file systems and then either halts or reboots.
  #
  # Version:      @(#)/etc/rc.d/rc.6      1.50    1994-01-15
  #
  # Author:       Miquel van Smoorenburg <miquels@drinkel.nl.mugnet.org>
  # Modified by:  Patrick J. Volkerding, <volkerdi@ftp.cdrom.com>
  # Modified by:  Michael A. Robinton, <michael@bzs.org> for RAID shutdown

    # Set the path.
    PATH=/sbin:/etc:/bin:/usr/bin

    # Set linefeed mode to avoid staircase effect.
    stty onlcr

    echo "Running shutdown script $0:"

    # Find out how we were called.
    case "$0" in
          *0)
                  message="The system is halted."
                  command="halt"
                  ;;
          *6)
                  message="Rebooting."
                  command=reboot
                  ;;
          *)
                  echo "$0: call me as \"rc.0\" or \"rc.6\" please!"
                  exit 1
                  ;;
    esac

    # Kill all processes.
    # INIT is supposed to handle this entirely now, but this didn't always
    # work correctly without this second pass at killing off the processes.
    # Since INIT already notified the user that processes were being killed,
    # we'll avoid echoing this info this time around.
    if [ "$1" != "fast" ]; then # shutdown did not already kill all processes
      killall5 -15
      killall5 -9
    fi

    # Try to turn off quota and accounting.
    if [ -x /usr/sbin/quotaoff ]
    then
          echo "Turning off quota."
          /usr/sbin/quotaoff -a
    fi
    if [ -x /sbin/accton ]
    then
          echo "Turning off accounting."
          /sbin/accton
    fi

    # Before unmounting file systems write a reboot or halt record to wtmp.
    $command -w

    # Save localtime
    [ -e /usr/lib/zoneinfo/localtime ] && cp /usr/lib/zoneinfo/localtime /etc

    # Asynchronously unmount any remote filesystems:
    echo "Unmounting remote filesystems."
    umount -a -tnfs &

    # you must have issued
    # 'cat /proc/mdstat | grep md0 > {your boot vol}/raidboot/raidgood.ref'
    # before linuxrc will execute properly with this info
    RAIDSTATUS=`/bin/cat /proc/mdstat | /usr/bin/grep md0 # capture raid status`

    # Turn off swap, then unmount local file systems.
    # clearing mdtab as well
    echo "Turning off swap."
    swapoff -a
    echo "Unmounting local file systems."
    umount -a -tnonfs

    # Don't remount UMSDOS root volumes:
    if [ ! "`mount | head -1 | cut -d ' ' -f 5`" = "umsdos" ]; then
      mount -n -o remount,ro /
    fi

    # root device remains mounted
    # mount dos file systems RW
    echo "Writing RAID read-only boot FLAG(s)."
    mount -n /dosa
    mount -n /dosc
    # create raid mounted RO flag in duplicate
    # containing the shutdown status of the raid array
    echo ${RAIDSTATUS} > /dosa/raidboot/raidstat.ro
    echo ${RAIDSTATUS} > /dosc/raidboot/raidstat.ro

    umount -n /dosa
    umount -n /dosc

    # Stop all the raid arrays (except root)
    echo "Stopping raid"
    mdstop -a

    # See if this is a powerfail situation.
    if [ -f /etc/power_is_failing ]; then
      echo "Turning off UPS, bye."
      /sbin/powerd -q
      exit 1
    fi

    # Now halt or reboot.
    echo "$message"
    [ ! -f /etc/fastboot ] && echo "On the next boot fsck will be FORCED."
    $command -f

  12.  t^ E: Gadi Ì RAID â~ÉÖ·éLinux J[lpb`

  --- linux/drivers/block/md.c.old        Fri Nov 21 13:37:11 1997
  +++ linux/drivers/block/md.c    Sat Dec  6 13:34:28 1997
  @@ -622,8 +622,13 @@
         return do_md_run (minor, (int) arg);

       case STOP_MD:
  -      return do_md_stop (minor, inode);
  -
  +      err = do_md_stop(minor, inode);
  +      if (err) {
  +        printk("md: enabling auto mdstop for %s\n",
  kdevname(inode->i_rdev));
  +        md_dev[minor].auto_mdstop = 1;
  +      }
  +      return err;
  +
       case BLKGETSIZE:   /* Return device size */
       if  (!arg)  return -EINVAL;
       err=verify_area (VERIFY_WRITE, (long *) arg, sizeof(long));
  @@ -692,6 +697,10 @@

     sync_dev (inode->i_rdev);
     md_dev[minor].busy--;
  +  if (!md_dev[minor].busy && md_dev[minor].auto_mdstop) {
  +       do_md_stop(minor, inode);
  +       md_dev[minor].auto_mdstop = 0;
  +  }
   }

   static int md_read (struct inode *inode, struct file *file,
  --- linux/include/linux/md.h~   Fri Nov 21 13:29:14 1997
  +++ linux/include/linux/md.h    Fri Nov 21 13:29:14 1997
  @@ -260,6 +260,7 @@
     int                  repartition;
     int                  busy;
     int                  nb_dev;
  +  int                  auto_mdstop;
     void                 *private;
   };

  13.  t^ F: rc.raidown

  ÈºÌeLXgð rc.raidown XNvgÆµÄC/etc/rc.d ÉZ[uµÜ
  ·D

  #! /bin/sh
  #
  # rc.raidown    This file is executed by init when it goes into runlevel
  #               0 (halt) or runlevel 6 (reboot). It saves the status of
  #               a root mounted raid array for subsequent re-boot
  #
  # Version:      1.08    3-25-98 Michael A. Robinton < michael@bizsystems.com >
  #
  ############ Save raid boot and status info ##############
  if [ -f /etc/raidboot.conf ]
  then
    {
    read RaidBootDevs
    read RaidStatusPath
    read RaidConfigEtc
    } < /etc/raidboot.conf

  # you must have issued
  #       cat /proc/mdstat | grep md0 >
  #               {your boot vol mnt(s)}/{RaidStatusPath}/raidgood.ref
  # before linuxrc will execute properly with this info
  #
  #       capture raid status
    RAIDSTATUS=`/bin/cat /proc/mdstat | /usr/bin/grep md0`
    mkdir /tmp/raid$$
    echo "Writing RAID read-only boot FLAG(s)."
    for Device in ${RaidBootDevs}
    do
  # get mount point for raid boot device or use tmp
      RBmount=$( cat /proc/mounts | /usr/bin/grep ${Device} )
      if [ -n ${RBmounts} ]; then
        RBmount=$( echo ${RBmount} | cut -f 2 -d ' ' )
      else
        RBmount="/tmp/raid$$"
        mount ${Device} ${RBmount}
      fi
    if [ -d ${RBmount}/${RaidStatusPath} ]; then
  # Create raid mounted RO flag = shutdown status of raid array
      echo ${RAIDSTATUS} > ${RBmount}/${RaidStatusPath}/raidboot.ro
  # Don't propagate 'fstab' from ramdisk
      if [ -f /linuxrc ]; then
        FSTAB=
      else
        FSTAB=fstab
      fi
      pushd /etc
  # Save etc files for rescue system
      /bin/tar --ignore-failed-read \
          -cf ${RBmount}/${RaidStatusPath}/raidboot.etc \
          raid*.conf mdtab* ${FSTAB} lilo.conf
      popd
  # Create new raidboot.cfg
      {
      /bin/echo ${RaidBootDevs}
      /bin/echo ${RaidStatusPath}
      /bin/echo ${RaidConfigEtc}
      } > ${RBmount}/${RaidStatusPath}/raidboot.cfg
      /bin/umount ${RBmount}
    fi
    done
    rmdir /tmp/raid$$
    echo "Raid boot armed"
  fi
  ################## end raid boot #########################

  14.  t^ G: linuxrc Ì®ì´

  ±êÍ RAID ð[gt@CVXeÉ}Eg·é½ßÌClinuxrc t@
  CÌ¡GÈ`ÌàÌÅ·D±Ìt@CÍ `bash' ©C»êÈOÌVFÖ
  ªpÅ«éVFãÅÀsµÈ¯êÎÈèÜ¹ñD

  ±Ì_ÍCêÊIÅ èCinitrd C[WàÉ éX^[gAbvt@C
  âp[^ÉË¶µÈ¢±ÆÅ·D

  u[gÉJ[lÉæÁÄ LILO â loadlin ©çlinuxrc Én³ê½
  Raid_Conf p[^ÍClinuxrc ªKvÆ·éN®foCXâ raidboot
  Ì2ÂÌú»t@CÌÊuð¦µÜ·(raidboot.etc Æ raidboot.cfg Í
  Vbg_EXNvgÉæÁÄìçêÜ·)D

       raidboot.etc Í³ÆÈéVXe©çÈºÉ¦·t@Cð tar
       ÅÜÆß½àÌÅCN®É initrd Ì /etcfBNgÉÈè
       Ü·D

               raid*
               mdtab*
               fstab
               lilo.conf               ( pÂ\ÈçÎ )

       Ó·×«_ÍC±Ìt@CÍVXeªu{ÉvNbV
       µ½Æ«ÉÍCKvÉ¶ÄÒW³êé_Å·D

       raidboot.cfg Í linuxrc ªKvÆ·écèÌ RAID N®t@C
       ÌpXÆCgp³êÄ¢éu[gp[eBVyÑpÂ\È
       obNAbvp[eBVÌ¼OðÁÄ¢Ü·D±Ìt@C
       ÍÊíCVbg_Et@CÉæÁÄì¬³êÜ·ªCKvÉ
       ¶Äè®Åìé±Æà èÜ·D

       raidboot.cfg Í3sCRg³µÌ`®Å·D

               /dev/bootdev1 /dev/bootdev2 [/dev/bootdev3 ... ]
               raid-status/path
               name_of_raidX.conf_file

       raid-status/path Í}Eg|CgÌ¼OÍÜÝÜ¹ñD

       raidX.conf Ìt@C¼Í /etc fBNgàÌàÌÅCÊí
       Í ckraid Æ mkraid Ì½ßÉp¢çêÜ·D

  ÈºÌÇÁt@CÍC¸ÁÆgp·é RAID N®p[eBVÉu«Ü
  ·D±êÍãÅq×½ÌÆ¯¶àÌÅ·ªCñíÔÉÍpÂ\ÈCÓÌê
  (á¦ÎN®tbs[fBXN)©ç[h·é±ÆªÅ«Ü·D

  o  raidgood.ref ÍÌR}hÉæÁÄì¬³êÜ·D cat /proc/mdstat
     | grep md0 > /{raid_status_path}/raidgood.ref

     ±Ìt@CÆ±ÌÌt@CðZ[u·éêÍC``Vbg_E
     XNvg''ÌÍðQÆµÄ¾³¢D

  o  raidstat.ro ÍVbg_EÉñ rc XNvgÉæÁÄì¬³
     êCRAID ACÌI¹Xe[^XðÛ¶µÜ·D