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6. ¤â¤·¡£ /linuxrc ¤¬¼Â¹Ô¤µ¤ì¤Ê¤¤¡¢¤Þ¤¿¤Ï¡¢ /linuxrc ¤Î¼Â¹Ô¤¬½ªÎ»¤·¤¿»þ¤Ï¡¢Ä̾ï»þ¥ë¡¼¥È¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤¬¥Þ¥¦¥ó¥È¤µ¤ì¤ë¡£ (¤â¤· /linuxrc ¤ò½ªÎ»¤·¤¿»þ¡¢²¿¤é¤«¤Î¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤¬½é´ü¥ë¡¼¥È¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¾å¤Ë ¥Þ¥¦¥ó¥È¤µ¤ì¤Æ¤¤¤ë¾ì¹ç¤Î¥«¡¼¥Í¥ë¤ÎÆ°ºî¤Ï ·è¤á¤é¤ì¤Æ¤¤¤Ê¤¤(ÉÔÄê¤Ç¤¢¤ë) ¸½ºß¤Î¥«¡¼¥Í¥ë¤¬¤É¤Î¤è¤¦¤ËÆ°ºî¤¹¤ë¤«¤Ï¡¢ Ãí°Õ ¤Î¥»¥¯¥·¥ç¥ó¤ò»²¾È¤Î¤³¤È)¡£

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8. ÉáÄ̤Υ֡¼¥È¥·¡¼¥±¥ó¥¹(Î㤨¤Ð¡¢ /sbin/init ¤Îµ¯Æ°)¤¬Ä̾ï»þ¥ë¡¼¥È¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¾å¤Ç¹Ô¤ï¤ì¤ë¡£

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root=device-name

Ä̾ï»þ¥ë¡¼¥È¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤È¤·¤Æ»È¤ï¤ì¤ë¥Ç¥Ð¥¤¥¹¤ò»ØÄꤹ¤ë¡£ LOADLIN ¤Ç¤Ï¡¢¤³¤ì¤Ï¥³¥Þ¥ó¥É¥é¥¤¥ó¥ª¥×¥·¥ç¥ó¤Ç¤¢¤ë¡£ LILO ¤Ç¤Ï¥³¥Þ¥ó¥É¥é¥¤¥ó¥ª¥×¥·¥ç¥ó¡¢¤Þ¤¿¤Ï¡¢ LILO ¤ÎÀßÄê¥Õ¥¡¥¤¥ë¤Ç¤¢¤ë /etc/lilo.config ¤Î¥ª¥×¥·¥ç¥ó¥é¥¤¥ó¤È¤·¤Æ»ÈÍѤ¹¤ë¡£ ¤³¤Î¥ª¥×¥·¥ç¥ó¤Ç»ØÄꤵ¤ì¤ë¥Ç¥Ð¥¤¥¹¤Ï¡¢Å¬Àڤʥ롼¥È¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤È¤· ¤Æ¥Þ¥¦¥ó¥È²Äǽ¤Ê¥Ç¥Ð¥¤¥¹¤Ç¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤¡£

Ä̾ï»þ¥ë¡¼¥È¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤ÎÊѹ¹

¤Þ¤¿¡¢ /linuxrc ¤òÍѤ¤¤ë»ö¤Ë¤è¤Ã¤Æ¤âÄ̾ï»þ¥ë¡¼¥È¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¥Ç¥Ð¥¤¥¹¤òÊѹ¹¤¹¤ë¤³¤È ¤¬¤Ç¤­¤ë¡£ /linuxrc ¤òÍѤ¤¤Æ¡¢Ä̾ï»þ¥ë¡¼¥È¥Ç¥Ð¥¤¥¹¤òÊѹ¹¤¹¤ë¤¿¤á¤Ë¤Ï¡¢ /proc ¤¬¥Þ¥¦¥ó¥È¤µ¤ì¤Æ¤¤¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤¡£ /proc ¤¬¥Þ¥¦¥ó¥È¤µ¤ì¤¿¸å¡¢ /linuxrc ¼Â¹Ô»þ¤Ë proc ¥Õ¥¡¥¤¥ë /proc/sys/kernel/real-root-dev, /proc/sys/kernel/nfs-root-name, /proc/sys/kernel/nfs-root-addrs ¤Ë½ñ¤­¹þ¤à»ö¤Ë¤è¤Ã¤ÆÄ̾ï»þ¥ë¡¼¥È¥Ç¥Ð¥¤¥¹¤òÊѹ¹¤¹¤ë¡£ /(NFS ¤Ç¤Ï¤Ê¤¤)ʪÍýŪ¤Ê¥ë¡¼¥È¥Ç¥Ð¥¤¥¹¤Î¾ì¹ç¡¢ /linuxrc ¤Ë¤è¤Ã¤Æ¿·¤·¤¤¥ë¡¼¥È¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤Î¥Ç¥Ð¥¤¥¹Èֹ椬 /proc/sys/kernel/real-root-dev ¤Ë½ñ¤­¹þ¤Þ¤ì¤ë»ö¤Ë¤è¤Ã¤Æ¡¢¥ë¡¼¥È¥Ç¥Ð¥¤¥¹¤¬Êѹ¹¤µ¤ì¤ë¡£ NFS ¥ë¡¼¥È¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤Î¾ì¹ç¡¢ /linuxrc ¤Ë¤è¤Ã¤Æ NFS ¤ÎÀßÄ꤬ /proc/sys/kernel/nfs-root-name ¤È /proc/sys/kernel/nfs-root-addrs ¤Ë½ñ¤­¹þ¤Þ¤ì¡¢¤µ¤é¤Ë /proc/sys/kernel/real-root-dev ¤Ë(µ¿»÷ NFS ¥Ç¥Ð¥¤¥¹¥Ê¥ó¥Ð¡¼¤Ç¤¢¤ë) 0xff ¤ò½ñ¤­¹þ¤à¤³¤È¤Ë¤è¤Ã¤Æ¥ë¡¼¥È ¥Ç¥Ð¥¤¥¹¤¬Êѹ¹¤µ¤ì¤ë¡£ Î㤨¤Ð¡¢¼¡¤Î¥·¥§¥ë¥³¥Þ¥ó¥É¥é¥¤¥ó¤ÏÄ̾ï»þ¥ë¡¼¥È¥Ç¥Ð¥¤¥¹¤ò /dev/hdb1 ¤ËÊѹ¹¤¹¤ë¤Ï¤º¤Ç¤¢¤ë¡£

        echo 0x365 >/proc/sys/kernel/real-root-dev

        echo /var/nfsroot >/proc/sys/kernel/nfs-root-name
        echo 193.8.232.2:193.8.232.7::255.255.255.0:idefix \
          >/proc/sys/kernel/nfs-root-addrs
        echo 255 >/proc/sys/kernel/real-root-dev

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1. ¥í¡¼¥À¥×¥í¥°¥é¥à¤Ï¥Õ¥í¥Ã¥Ô¤ä¡¢¤½¤Î¾¤Î¥á¥Ç¥£¥¢¤«¤é¥ß¥Ë¥«¡¼¥Í¥ë(Î㤨 ¤Ð¡¢ /dev/ram, /dev/initrd ¤È ext2 ¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤Î¤ß¤Î¥µ¥Ý¡¼¥È¤·¤¿¥«¡¼¥Í¥ë)¤ò¥Ö¡¼¥È¤·¡¢ gzip °µ½Ì¤µ¤ì¤¿½é´ü²½¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¥¤¥á¡¼¥¸¤ò /dev/initrd ¤Ë¥í¡¼¥É¤¹¤ë¡£

2. /linuxrc ¤Î¼Â¹Ô¤Ë¤è¤ê¡¢(1) Ä̾ï»þ¥ë¡¼¥È¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à(¤¹¤Ê¤ï¤Á¡¢¥Ç¥Ð¥¤¥¹¥¿¥¤ ¥×¡¢¥Ç¥Ð¥¤¥¹¥É¥é¥¤¥Ð¡¢¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à)¤Î¥Þ¥¦¥ó¥È (2) ÇÛÉÛ¥á¥Ç¥£¥¢(Îã ¤¨¤Ð¡¢CD-ROM, ¥Í¥Ã¥È¥ï¡¼¥¯¡¢¥Æ¡¼¥×¡¢¡Ä) ¤Î¤¿¤á¤Ë¤Ê¤Ë¤¬É¬Íפ«¤ò·èÄꤹ¤ë¡£ ¤³¤ì¤Ï¡¢¥æ¡¼¥¶¤Ø¤ÎÌ䤤¹ç¤ï¤»¡¢¼«Æ°¸¡½Ð¡¢¤¢¤ë¤¤¤Ï¤½¤Îξ¼Ô¤ÎÊýË¡¤òÁÈ¤ß¹ç ¤ï¤»¤Æ»ÈÍѤ¹¤ë»ö¤Ç²ò·è¤¹¤ë¡£

3. ¤µ¤é¤Ë¡¢ /linuxrc ¤Î³¤­¤ò¼Â¹Ô¤¹¤ë¤³¤È¤Ë¤è¤ê¡¢½é´ü²½¥ë¡¼¥È¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤«¤éɬÍפʥ⠥¸¥å¡¼¥ë¤ò¥í¡¼¥É¤¹¤ë¡£

4. ¥ë¡¼¥È¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤òºîÀ®¤·¡¢ÇÛÃÖ¤¹¤ë(¤³¤ÎÃʳ¬¤Ç¤Ï¡¢Ä̾ï»þ¥ë¡¼ ¥È¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤Ï´°Á´¤Ê¥·¥¹¥Æ¥à¤Ç¤¢¤ëɬÍפϤʤ¤)¡£

5. /proc/sys/kernel/real-root-dev ¤ò¥»¥Ã¥È¤·¡¢ /proc ¤ä¡¢¥Þ¥¦¥ó¥È¤µ¤ì¤Æ¤¤¤ëÄ̾ï»þ¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¡¢¤½¤Î¾¤Î¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à ¤ò¥¢¥ó¥Þ¥¦¥ó¥È¤·¡¢ /linuxrc ¤Î¼Â¹Ô¤ò½ªÎ»¤¹¤ë¡£

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        chown root:disk /dev/initrd

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