2 .\" This man-page is Copyright (C) 1997 John S. Kallal
4 .\" Permission is granted to make and distribute verbatim copies of this
5 .\" manual provided the copyright notice and this permission notice are
6 .\" preserved on all copies.
8 .\" Permission is granted to copy and distribute modified versions of this
9 .\" manual under the conditions for verbatim copying, provided that the
10 .\" entire resulting derived work is distributed under the terms of a
11 .\" permission notice identical to this one.
13 .\" Since the Linux kernel and libraries are constantly changing, this
14 .\" manual page may be incorrect or out-of-date. The author(s) assume no
15 .\" responsibility for errors or omissions, or for damages resulting from
16 .\" the use of the information contained herein. The author(s) may not
17 .\" have taken the same level of care in the production of this manual,
18 .\" which is licensed free of charge, as they might when working
21 .\" Formatted or processed versions of this manual, if unaccompanied by
22 .\" the source, must acknowledge the copyright and author(s) of this work.
24 .\" If the you wish to distribute versions of this work under other
25 .\" conditions than the above, please contact the author(s) at the following
29 .\" email: <kallal@voicenet.com>
30 .\" mail: 518 Kerfoot Farm RD, Wilmington, DE 19803-2444, USA
31 .\" phone: (302)654-5478
33 .\" $Id: initrd.4,v 1.1.1.1 1999/07/19 01:49:27 cvs Exp $
35 .\" Japanese Version Copyright (c) 1997,1998
36 .\" ISHIKAWA Mutsumi, all rights reserved.
37 .\" Translated 1997-12-15, ISHIKAWA Mutsumi <ishikawa@linux.or.jp>
38 .\" Modified 1998-02-09, ISHIKAWA Mutsumi <ishikawa@linux.or.jp>
39 .\" Updated & Modified 2005-10-08, Akihiro MOTOKI <amotoki@dd.iij4u.or.jp>
41 .TH INITRD 4 2009-04-04 "Linux" "Linux Programmer's Manual"
43 initrd \- ¥Ö¡¼¥È¥í¡¼¥À¤Ë¤è¤Ã¤Æ½é´ü²½¤µ¤ì¤¿ RAM ¥Ç¥£¥¹¥¯
46 ¤Ï¡¢¥á¥¸¥ã¡¼ÈÖ¹æ 1¡¢¥Þ¥¤¥Ê¡¼ÈÖ¹æ 250 ¤¬³ä¤êÅö¤Æ¤é¤ì¤¿
47 Æɤ߹þ¤ßÀìÍѤΥ֥í¥Ã¥¯¥Ç¥Ð¥¤¥¹¤Ç¤¢¤ë¡£
52 ¤Ç¤¢¤ê¡¢¥â¡¼¥É¤Ï 400 (root ¤Î¤ß¤¬Æɤ߽Ф·²Äǽ) ¤Ç¤¢¤ë¡£
53 ¤â¤·¡¢Linux ¥·¥¹¥Æ¥à¤ËºîÀ®ºÑ¤Î
55 ¥Õ¥¡¥¤¥ë¤¬¤Ê¤«¤Ã¤¿¾ì¹ç¡¢°Ê²¼¤Î¥³¥Þ¥ó¥É¤ÇºîÀ®¤¹¤ë¤³¤È¤¬¤Ç¤¤ë:
58 mknod \-m 400 /dev/initrd b 1 250
59 chown root:disk /dev/initrd
66 "RAM disk" ¤È "Initial RAM disk" ¤ÎξÊý¤Îµ¡Ç½¤¬
67 Linux ¥«¡¼¥Í¥ë¤ËľÀÜÁȤ߹þ¤Þ¤ì¤Æ¤¤¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤
68 (Î㤨¤Ð¡¢¥«¡¼¥Í¥ë¤Î¥³¥ó¥Ñ¥¤¥ë»þ¤ÎÀßÄê¤Ç
69 .B CONFIG_BLK_DEV_RAM=y
71 .B CONFIG_BLK_DEV_INITRD=y
74 ¤ò»ÈÍѤ¹¤ë¾ì¹ç¤Ë¤Ï¡¢RAM ¥Ç¥£¥¹¥¯¥É¥é¥¤¥Ð¤ò¥â¥¸¥å¡¼¥ë¤È¤·¤Æ
75 ¥í¡¼¥É¤¹¤ë¤³¤È¤Ï¤Ç¤¤Ê¤¤¡£
81 ¥¹¥Ú¥·¥ã¥ë¥Õ¥¡¥¤¥ë¤ÏÆɤ߹þ¤ßÀìÍѤΥ֥í¥Ã¥¯¥Ç¥Ð¥¤¥¹¤Ç¤¢¤ë¡£
82 ¤³¤Î¥Ç¥Ð¥¤¥¹¤Ï¥«¡¼¥Í¥ë¤¬µ¯Æ°¤µ¤ì¤ëÁ°¤Ë¥Ö¡¼¥È¥í¡¼¥À (boot loader)
83 ¤Ë¤è¤Ã¤Æ½é´ü²½ (Î㤨¤Ð¡¢¥í¡¼¥É) ¤µ¤ì¤ë RAM ¥Ç¥£¥¹¥¯¤Ç¤¢¤ë¡£
86 ¤ÎÆâÍƤòÆóÃʳ¬¤Î¥·¥¹¥Æ¥àµ¯Æ° (two-phase system boot-up)
87 ¤ÇÍøÍѤ¹¤ë¤³¤È¤¬¤Ç¤¤ë¡£
89 ºÇ½é¤Î¥Ö¡¼¥È¥¢¥Ã¥×Ãʳ¬ (first boot-up phase) ¤Ç¤Ï¡¢¥«¡¼¥Í¥ë¤Ï
90 (Î㤨¤Ð¡¢¥Ö¡¼¥È¥í¡¼¥À¤Ë¤è¤Ã¤Æ½é´ü²½¤µ¤ì¤¿ RAM disk ¤Ç¤¢¤ë)
92 ¤ÎÆâÍƤò½é´ü¥ë¡¼¥È¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à (root file-system) ¤È¤·¤Æ¥Þ¥¦¥ó¥È
94 ÂèÆóÃʳ¬¤Ç¤Ï½é´ü¥ë¡¼¥È¥Ç¥Ð¥¤¥¹¤Ë´Þ¤Þ¤ì¤Æ¤¤¤ë¤â¤Î¤«¤é¡¢ÄɲäΥɥ饤
95 ¥Ð¤ä¤½¤Î¾¤Î¥â¥¸¥å¡¼¥ë¤¬¥í¡¼¥É¤µ¤ì¤ë¡£
96 ÄɲäΥ⥸¥å¡¼¥ë¤¬¥í¡¼¥É¤µ¤ì¤¿¸å¡¢¿·¤·¤¤¥ë¡¼¥È¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à
97 (¤¹¤Ê¤ï¤Á¡¢Ä̾ï»þ¤Î¥ë¡¼¥È¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à)
98 ¤¬Ê̤ΥǥХ¤¥¹¤«¤é¥Þ¥¦¥ó¥È¤µ¤ì¤ë¡£
104 ¤òÍøÍѤ·¤¿»þ¤Ï¡¢¥·¥¹¥Æ¥à¤Ï¼¡¤Î¤è¤¦¤Ë¥Ö¡¼¥È¤¹¤ë:
106 ¥Ö¡¼¥È¥í¡¼¥À¤Ï¥«¡¼¥Í¥ë¥×¥í¥°¥é¥à¤È
108 ¤ÎÆâÍƤò¥á¥â¥ê¤Ë¥í¡¼¥É¤¹¤ë¡£
110 ¥«¡¼¥Í¥ëµ¯Æ°»þ¡¢¥«¡¼¥Í¥ë¤Ï
112 ¥Ç¥Ð¥¤¥¹¤ÎÆâÍƤòŸ³« (uncompress) ¤·¡¢
114 ¤Ë¥³¥Ô¡¼¤¹¤ë¡£¤µ¤é¤Ë¡¢
116 ¤Î»È¤Ã¤Æ¤¤¤¿¥á¥â¥ê¤ò²òÊü¤¹¤ë¡£
120 ¥Ç¥Ð¥¤¥¹¤ò½é´ü¤Î¥ë¡¼¥È¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤È¤·¤ÆÆɤ߽ñ¤²Äǽ¤Ê·Á¼°¤Ç¥Þ¥¦¥ó
123 »Ø¼¨¤µ¤ì¤¿¥ë¡¼¥È¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤¬½é´ü¥ë¡¼¥È¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à
126 ¤ÈƱ°ì¤Î¾ì¹ç¤Ï¡¢¥«¡¼¥Í¥ë¤ÏÉáÄ̤Υ֡¼¥È¥·¡¼¥±¥ó¥¹¤Î¤¿¤á¤ÎºÇ¸å¤Î¥¹¥Æ¥Ã¥×¤ò
130 ¤È¤¤¤¦¼Â¹Ô²Äǽ¤Ê¥Õ¥¡¥¤¥ë¤¬½é´ü¥ë¡¼¥È¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤Ë¸ºß¤¹¤ì¤Ð¡¢
132 ¤ò UID 0 (¤¹¤Ê¤ï¤Á¡¢root) ¤Î¸¢¸Â¤Ç¼Â¹Ô¤¹¤ë¡£
134 ¥Õ¥¡¥¤¥ë¤Ï¼Â¹Ô²Äǽ¥Ñ¡¼¥ß¥Ã¥·¥ç¥ó¤¬Í¿¤¨¤é¤ì¤Æ¤¤¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤¡£
136 ¤ÏÀµÅö¤Ê¼Â¹Ô¥Õ¥¡¥¤¥ë¤Ç¤¢¤ì¤Ð¤è¤¯¡¢¥·¥§¥ë¥¹¥¯¥ê¥×¥È¤Ç¤â¹½¤ï¤Ê¤¤¡£)
139 ¤¬¼Â¹Ô¤µ¤ì¤Ê¤¤¡¢¤Þ¤¿¤Ï¡¢
141 ¤Î¼Â¹Ô¤¬½ªÎ»¤·¤¿»þ¤Ï¡¢Ä̾ï»þ¥ë¡¼¥È¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤¬¥Þ¥¦¥ó¥È¤µ¤ì¤ë¡£
143 ¤ò½ªÎ»¤·¤¿»þ¡¢²¿¤é¤«¤Î¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤¬½é´ü¥ë¡¼¥È¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¾å¤Ë
144 ¥Þ¥¦¥ó¥È¤µ¤ì¤Æ¤¤¤ë¾ì¹ç¤Î¥«¡¼¥Í¥ë¤ÎÆ°ºî¤Ï
145 \fB·è¤á¤é¤ì¤Æ¤¤¤Ê¤¤ (ÉÔÄê¤Ç¤¢¤ë)\fR¡£
146 ¸½ºß¤Î¥«¡¼¥Í¥ë¤¬¤É¤Î¤è¤¦¤ËÆ°ºî¤¹¤ë¤«¤Ï¡¢
147 ¡ÖÃí°Õ¡×¤Î¥»¥¯¥·¥ç¥ó¤ò»²¾È¤Î¤³¤È¡£)
149 Ä̾ï»þ¥ë¡¼¥È¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤Ë
160 ¥Ç¥£¥ì¥¯¥È¥ê¤¬Â¸ºß¤·¤Ê¤¤¾ì¹ç¤Ï¡¢
162 ¤Ï¥¢¥ó¥Þ¥¦¥ó¥È¤µ¤ì¤ë¡£
166 ¤Ë°ÜÆ°¤µ¤ì¤¿¾ì¹ç¤Ë¤Ï¡¢
168 ¤Ï¥¢¥ó¥Þ¥¦¥ó¥È¤µ¤ì¤º¡¢¤½¤Î·ë²Ì¡¢
170 ¤ÇÁö¤ê»Ï¤á¤¿¥×¥í¥»¥¹¤Ï¤½¤Î¤Þ¤Þ»Ä¤ë»ö¤¬¤Ç¤¤ë¡£
173 ¥Ç¥£¥ì¥¯¥È¥ê¤¬Ä̾ï»þ¥ë¡¼¥È¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤Ë¸ºß¤»¤º¡¢
177 ¾å¤Ç¼Â¹Ô¤µ¤ì¤¿¡¢¤Ê¤ó¤é¤«¤Î¥×¥í¥»¥¹¤¬Áö¤ê³¤±¤Æ¤¤¤¿¾ì¹ç¤Î
179 .BR "·è¤á¤é¤ì¤Æ¤¤¤Ê¤¤ (ÉÔÄê¤Ç¤¢¤ë)" ¡£
180 ¸½ºß¤Î¥«¡¼¥Í¥ë¤¬¡¢¤³¤Î»þ¤É¤Î¤è¤¦¤ÊÆ°ºî¤ò¤¹¤ë¤«¤Ë¤Ä¤¤¤Æ¤Ï¡¢
181 ¡ÖÃí°Õ¡×¤ò»²¾È¤Î¤³¤È¡£)
183 ÉáÄ̤Υ֡¼¥È¥·¡¼¥±¥ó¥¹ (Î㤨¤Ð¡¢
185 ¤Îµ¯Æ°) ¤¬Ä̾ï»þ¥ë¡¼¥È¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¾å¤Ç¹Ô¤ï¤ì¤ë¡£
191 ¤òÍѤ¤¤ë¾ì¹ç¤Ë¡¢¥«¡¼¥Í¥ë¤Î¥Ö¡¼¥È¥¢¥Ã¥×Áàºî¤Ë±Æ¶Á¤òÍ¿¤¨¤ë
192 ¥Ö¡¼¥È¥í¡¼¥À¡¦¥ª¥×¥·¥ç¥ó¤Ï¼¡¤Î¤è¤¦¤Ê¤â¤Î¤¬¤¢¤ë¡¢
194 .BI initrd= "filename"
196 ¤ÎÆâÍƤȤ·¤Æ¥í¡¼¥É¤¹¤ë¥Õ¥¡¥¤¥ë¤ò»ØÄꤹ¤ë¡£
198 ¤Ç¤Ï¡¢¤³¤ì¤Ï¥³¥Þ¥ó¥É¥é¥¤¥ó¥ª¥×¥·¥ç¥ó¤Ç¤¢¤ë¡£
204 Æâ¤Ç¥³¥Þ¥ó¥É¤È¤·¤Æ»ÈÍѤ·¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤¡£
205 ¤³¤Î¥ª¥×¥·¥ç¥ó¤Ç»ØÄꤵ¤ì¤ë¥Õ¥¡¥¤¥ë¤Ï¡¢Â¿¤¯¤Î¾ì¹ç gzip °µ½Ì¤µ¤ì¤¿
206 ¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¥¤¥á¡¼¥¸¤Ç¤¢¤ë¡£
209 ¤³¤Îµ¯Æ°¥ª¥×¥·¥ç¥ó¤ÏÆóÃʳ¬¤Îµ¯Æ°Áàºî¤ò̵¸ú¤Ë¤¹¤ë¡£
212 ¤¬½é´ü²½¤µ¤ì¤Æ¤¤¤Ê¤¤¾ì¹ç¤ÈƱÍͤΡ¢Ä̾ï¤Î¥Ö¡¼¥È¥¢¥Ã¥×Æ°ºî¤ò¹Ô¤¦¡£
213 ¤³¤Î¥ª¥×¥·¥ç¥ó¤òÍѤ¤¤ë¤È¡¢¥Ö¡¼¥È¥í¡¼¥À¤Ë¤è¤Ã¤Æ¥á¥â¥ê¾å¤Ë¥í¡¼¥É¤µ¤ì¤¿
215 ¤ÎÆâÍƤϤ½¤Î¤Þ¤ÞÊݸ¤µ¤ì¤ë¡£
216 ¤Ä¤Þ¤ê¡¢¤³¤Î¥ª¥×¥·¥ç¥ó¤òÍѤ¤¤ë¤³¤È¤Ë¤è¤Ã¤Æ¡¢
218 ¤ÎÆâÍƤò (¥Ö¡¼¥È°Ê³°¤ÎÌÜŪ¤Ë) ÍøÍѤ¹¤ë¤³¤È¤¬²Äǽ¤Ë¤Ê¤ë¡£¤Þ¤¿¡¢¤½¤ÎÆâÍƤÏ
219 ¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¥¤¥á¡¼¥¸¤Ë¸ÂÄꤵ¤ì¤Ê¤¤¡£
222 ¥Ç¥Ð¥¤¥¹¤ÏÆɤߤÀ¤·¤Î¤ß²Äǽ¤Ç¤¢¤ê¡¢¥·¥¹¥Æ¥à¤Îµ¯Æ°¸å 1 ÅÙ¤·¤«Æɤ߽Ф¹»ö
225 .BI root= "device-name"
226 Ä̾ï»þ¥ë¡¼¥È¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤È¤·¤Æ»È¤ï¤ì¤ë¥Ç¥Ð¥¤¥¹¤ò»ØÄꤹ¤ë¡£
228 ¤Ç¤Ï¡¢¤³¤ì¤Ï¥³¥Þ¥ó¥É¥é¥¤¥ó¥ª¥×¥·¥ç¥ó¤Ç¤¢¤ë¡£
230 ¤Ç¤Ï¥³¥Þ¥ó¥É¥é¥¤¥ó¥ª¥×¥·¥ç¥ó¡¢¤Þ¤¿¤Ï¡¢
234 ¤Î¥ª¥×¥·¥ç¥ó¥é¥¤¥ó¤È¤·¤Æ»ÈÍѤ¹¤ë¡£
235 ¤³¤Î¥ª¥×¥·¥ç¥ó¤Ç»ØÄꤵ¤ì¤ë¥Ç¥Ð¥¤¥¹¤Ï¡¢Å¬Àڤʥ롼¥È¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤È¤·
236 ¤Æ¥Þ¥¦¥ó¥È²Äǽ¤Ê¥Ç¥Ð¥¤¥¹¤Ç¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤¡£
240 .SS Ä̾ï»þ¥ë¡¼¥È¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤ÎÊѹ¹
241 ¥Ç¥Õ¥©¥ë¥È¤Ç¤Ï¡¢¥«¡¼¥Í¥ë¤ÎÀßÄê
244 ¤òÍѤ¤¤Æ¥«¡¼¥Í¥ë¥Õ¥¡¥¤¥ëÆâ¤Ë¥»¥Ã¥È¤µ¤ì¤¿¤â¤Î¡¢¤Þ¤¿¤Ï¡¢¥³¥ó¥Ñ¥¤¥ë»þ¤Ë¥«¡¼
245 ¥Í¥ë¥Õ¥¡¥¤¥ëÆâ¤ËËä¤á¹þ¤Þ¤ì¤¿¤â¤Î)¡¢
246 ¤Þ¤¿¤Ï¡¢¥Ö¡¼¥È¥í¡¼¥À¤Î¥ª¥×¥·¥ç¥óÀßÄê¤Ë¤è¤Ã¤Æ»ØÄꤵ¤ì¤¿¤â¤Î¤¬Ä̾ï»þ¥ë¡¼
247 ¥È¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤È¤·¤Æ»È¤ï¤ì¤ë¡£
248 NFS ¥Þ¥¦¥ó¥È¤µ¤ì¤¿Ä̾ï»þ¥ë¡¼¥È¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤òÍøÍѤ¹¤ë¾ì¹ç¡¢
252 ¥Ö¡¼¥È¥ª¥×¥·¥ç¥ó¤ò»È¤Ã¤Æ NFS ¤ÎÀßÄê¤òÍ¿¤¨¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤¡£
253 NFS ¥Þ¥¦¥ó¥È¤µ¤ì¤¿¥ë¡¼¥È (¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à) ¤Ë¤Ä¤¤¤Æ¤Î
254 ¤è¤ê¾Ü¤·¤¤¾ðÊó¤Ï¡¢¥«¡¼¥Í¥ë¤Î¥É¥¥å¥á¥ó¥È¥Õ¥¡¥¤¥ë
255 .B Documentation/filesystems/nfsroot.txt
257 ¥ë¡¼¥È¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤ÎÀßÄê¤Ë¤Ä¤¤¤Æ¤Î¤è¤ê¾Ü¤·¤¤¾ðÊó¤Ï¡¢
261 ¤Î¥É¥¥å¥á¥ó¥È¤â»²¾È¤Î¤³¤È¡£
265 ¤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
268 ¤òÍѤ¤¤Æ¡¢Ä̾ï»þ¥ë¡¼¥È¥Ç¥Ð¥¤¥¹¤òÊѹ¹¤¹¤ë¤¿¤á¤Ë¤Ï¡¢
270 ¤¬¥Þ¥¦¥ó¥È¤µ¤ì¤Æ¤¤¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤¡£
275 .IR /proc/sys/kernel/real-root-dev ,
276 .IR /proc/sys/kernel/nfs-root-name ,
277 .I /proc/sys/kernel/nfs-root-addrs
278 ¤Ë½ñ¤¹þ¤ß¤ò¹Ô¤¤¡¢Ä̾ï»þ¥ë¡¼¥È¥Ç¥Ð¥¤¥¹¤òÊѹ¹¤¹¤ë¡£
279 (NFS ¤Ç¤Ï¤Ê¤¤) ʪÍýŪ¤Ê¥ë¡¼¥È¥Ç¥Ð¥¤¥¹¤Î¾ì¹ç¡¢
281 ¤¬¿·¤·¤¤¥ë¡¼¥È¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤Î¥Ç¥Ð¥¤¥¹ÈÖ¹æ¤ò
282 .I /proc/sys/kernel/real-root-dev
283 ¤Ë½ñ¤¹þ¤à¤³¤È¤Ç¡¢¥ë¡¼¥È¥Ç¥Ð¥¤¥¹¤¬Êѹ¹¤µ¤ì¤ë¡£
284 NFS ¥ë¡¼¥È¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤Î¾ì¹ç¡¢
287 .I /proc/sys/kernel/nfs-root-name
289 .I /proc/sys/kernel/nfs-root-addrs
291 .I /proc/sys/kernel/real-root-dev
292 ¤Ë (µ¿»÷ NFS ¥Ç¥Ð¥¤¥¹¥Ê¥ó¥Ð¡¼¤Ç¤¢¤ë) 0xff ¤ò½ñ¤¹þ¤à¤³¤È¤Ç¡¢
293 ¥ë¡¼¥È¥Ç¥Ð¥¤¥¹¤¬Êѹ¹¤µ¤ì¤ë¡£
294 Î㤨¤Ð¡¢¼¡¤Î¥·¥§¥ë¥³¥Þ¥ó¥É¥é¥¤¥ó¤Ë¤è¤ê¡¢Ä̾ï»þ¥ë¡¼¥È¥Ç¥Ð¥¤¥¹¤ò
299 echo 0x365 >/proc/sys/kernel/real-root-dev
302 ¤Þ¤¿¡¢NFS ¤Î¾ì¹ç¡¢¼¡¤Î¤è¤¦¤Ê¥·¥§¥ë¥³¥Þ¥ó¥É¥é¥¤¥ó¤Ë¤è¤ê¡¢
303 ¥í¡¼¥«¥ë¥Í¥Ã¥È¥ï¡¼¥¯¤Î 193.8.232.2 ¤È¤¤¤¦ IP ¥¢¥É¥ì¥¹¤ò»ý¤Ä NFS ¥µ¡¼¥Ð¤Î
306 ¤ò 193.8.232.7 ¤È¤¤¤¦ IP ¥¢¥É¥ì¥¹¤ò»ý¤Ä "idefix" ¤È¤¤¤¦Ì¾Á°¤Î¥·
307 ¥¹¥Æ¥à¤ÎÄ̾ï»þ¥ë¡¼¥È¥Ç¥Ð¥¤¥¹¤È¤·¤Æ¥Þ¥¦¥ó¥È¤¹¤ë¤è¤¦¤ËÊѹ¹¤Ç¤¤ë¤À¤í¤¦:
310 echo /var/nfsroot >/proc/sys/kernel/nfs-root-name
311 echo 193.8.232.2:193.8.232.7::255.255.255.0:idefix \\
312 >/proc/sys/kernel/nfs-root-addrs
313 echo 255 >/proc/sys/kernel/real-root-dev
317 ¥ë¡¼¥È¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤òÊѹ¹¤¹¤ë¤¿¤á¤Ë
318 .I /proc/sys/kernel/real-root-dev
319 ¤ò»È¤¦¤Î¤Ï°ÊÁ°¤ÎÊýË¡¤Ç¤¢¤ë¡£
320 ¥ë¡¼¥È¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤òÊѹ¹¤¹¤ë¿·¤·¤¤ÊýË¡¤Ë¤Ä¤¤¤Æ¤Î¾ðÊó¤Ï¡¢
321 ¥«¡¼¥Í¥ë¥½¡¼¥¹¤Ë´Þ¤Þ¤ì¤ë
322 .I Documentation/initrd.txt
328 .\" FIXME ¥Þ¥Ë¥å¥¢¥ë¥Ú¡¼¥¸¤Ç pivot_root ¤Î»ÅÁȤߤòÀâÌÀ¤¹¤ëɬÍפ¬¤¢¤ë¡£
334 ¤¬¼ÂÁõ¤µ¤ì¤¿¼ç¤ÊÌÜŪ¤Ï¡¢¥·¥¹¥Æ¥à¥¤¥ó¥¹¥È¡¼¥ë»þ¤Ë¡¢¥â¥¸¥å¡¼¥ë²½¤µ¤ì¤¿¥«¡¼
335 ¥Í¥ë¤ÎÀßÄê¤ò²Äǽ¤Ë¤¹¤ë¤³¤È¤Ç¤¢¤Ã¤¿¡£
337 ¼¡¤Î¤è¤¦¤Êή¤ì¤Î¥·¥¹¥Æ¥à¥¤¥ó¥¹¥È¡¼¥ë¤¬²Äǽ¤Ë¤Ê¤ë:
339 ¥í¡¼¥À¥×¥í¥°¥é¥à¤Ï¡¢¥Õ¥í¥Ã¥Ô¡¼¤ä¤½¤Î¾¤Î¥á¥Ç¥£¥¢¤«¤é¡¢
340 ºÇ¾®¸Â¤Î¥«¡¼¥Í¥ë (Î㤨¤Ð¡¢
343 ext2 ¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤Î¤ß¤Î¥µ¥Ý¡¼¥È¤·¤¿¥«¡¼¥Í¥ë) ¤ò¥Ö¡¼¥È¤·¡¢
344 gzip °µ½Ì¤µ¤ì¤¿½é´ü¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¥¤¥á¡¼¥¸¤ò
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351 (¤¹¤Ê¤ï¤Á¡¢¥Ç¥Ð¥¤¥¹¥¿¥¤¥×¡¢¥Ç¥Ð¥¤¥¹¥É¥é¥¤¥Ð¡¢¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à)¡¢
352 (2) ÇÛÉÛ¥á¥Ç¥£¥¢¤Ë²¿¤¬É¬Íפ« (Î㤨¤Ð¡¢CD-ROM, ¥Í¥Ã¥È¥ï¡¼¥¯¡¢¥Æ¡¼¥×¤Ê¤É)
353 ¤ò·èÄꤹ¤ë¡£·èÄê¤Ï¡¢¥æ¡¼¥¶¤Ø¤ÎÌ䤤¹ç¤ï¤»¡¢¼«Æ°¸¡½Ð¡¢¤¢¤ë¤¤¤Ï¤½¤Îξ¼Ô¤Î
354 ÊýË¡¤òÁȤ߹ç¤ï¤»¤Æ¹Ô¤ï¤ì¤ë¡£
358 ¤Ï¡¢½é´ü¥ë¡¼¥È¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤«¤éɬÍפʥ⥸¥å¡¼¥ë¤ò¥í¡¼¥É¤¹¤ë¡£
362 ¤Ï¡¢¥ë¡¼¥È¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤òºîÀ®¤·¡¢ÇÛÃÖ¤¹¤ë (¤³¤ÎÃʳ¬¤Ç¤Ï¡¢Ä̾ï»þ¥ë¡¼
363 ¥È¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤Ï´°Á´¤Ê¥·¥¹¥Æ¥à¤Ç¤¢¤ëɬÍפϤʤ¤)¡£
368 .I /proc/sys/kernel/real-root-dev
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