Google

"http://www.w3.org/TR/html4/strict.dtd">

[English | Japanese]

pdumpfs: Plan9¤â¤É¤­¤Î¥Ð¥Ã¥¯¥¢¥Ã¥×¥·¥¹¥Æ¥à

ºÇ½ª¹¹¿·Æü: 2002-08-06


pdumpfs ¤È¤Ï?

pdumpfs ¤Ï Plan9 ¤Î dumpfs ¤â¤É¤­¤Îñ½ã¤Ê¥Ð¥Ã¥¯¥¢¥Ã¥×¥·¥¹¥Æ¥à¤Ç¤¹¡£Ruby ¤Ç¼ÂÁõ¤µ¤ì¤Æ¤¤¤Þ¤¹¡£ ËèÆü¤Î¥¹¥Ê¥Ã¥×¥·¥ç¥Ã¥È¤òÊݸ¤¹¤ë¤¿¤á¡¢¤¤¤Ä¤Ç¤â²áµî¤Î¥Õ¥¡¥¤¥ë ¤ò¼è¤êÌ᤹¤³¤È¤¬¤Ç¤­¤Þ¤¹¡£¥Û¡¼¥à¥Ç¥£¥ì¥¯¥È¥ê¤Î¥Ð¥Ã¥¯¥¢¥Ã¥×¤Ë ÍøÍѤ¹¤ë¤ÈÊØÍø¤Ç¤¹¡£

pdumpfs ¤Ï¥Ð¥Ã¥¯¥¢¥Ã¥×Àè¥Ç¥£¥ì¥¯¥È¥ê¤Ë¡Öǯ/·î/Æü¡×¤Î·Á¼°¤Ç¥¹ ¥Ê¥Ã¥×¥·¥ç¥Ã¥È¤òÊݸ¤·¤Þ¤¹¡£½é²ó¤Î¤ß¥Ð¥Ã¥¯¥¢¥Ã¥×Âоݥǥ£¥ì¥¯ ¥È¥êÁ´ÂΤò¥³¥Ô¡¼¤·¤Æ¡¢2ÆüÌܰʹߤϺ¹Ê¬¤Ç¥Ð¥Ã¥¯¥¢¥Ã¥×¤·¤Æ¤¤¤­ ¤Þ¤¹¡£¥Ç¥£¥¹¥¯¤Î¾ÃÈñÎ̤òÀáÌ󤹤뤿¤á¤Ë¡¢¹¹¿·¤µ¤ì¤Ê¤«¤Ã¤¿¥Õ¥¡ ¥¤¥ë¤ÏÁ°Æü¤Î¥¹¥Ê¥Ã¥×¥·¥ç¥Ã¥È¤Î¥Õ¥¡¥¤¥ë¤Ø¤Î¥Ï¡¼¥É¥ê¥ó¥¯¤È¤·¤Æ µ­Ï¿¤µ¤ì¤Þ¤¹¡£

ºÇ¿·ÈÇ¤Ï http://namazu.org/~satoru/pdumpfs/ ¤«¤éÆþ¼ê²Äǽ¤Ç¤¹¡£

¿·Ãå¾ðÊó

  • 2002-08-06: pdumpfs 0.6 ¤ò¸ø³«
    • ¼Â¹ÔÃæ¤Ë¥³¥Ô¡¼¸µ¤Î¥Õ¥¡¥¤¥ë¤¬¾Ã¤¨¤Æ¤â½èÍý¤ò³¹Ô¤¹¤ë¤è¤¦¤Ë¤·¤Þ¤·¤¿¡£
  • 2001-02-19: pdumpfs 0.1 ¤ò¸ø³«

»È¤¤Êý

ÀßÄê

¥Õ¥¡¥¤¥ë pdumpfs ¤Î 1¹ÔÌܤΠ#! /usr/local/bin/ruby ¤òɬÍפ˱þ¤¸¤Æ½¤Àµ¤·¤Þ¤¹¡£

¥³¥Þ¥ó¥É¥é¥¤¥ó

   % pdumpfs <Âоݥǥ£¥ì¥¯¥È¥ê> <¥Ð¥Ã¥¯¥¢¥Ã¥×Àè>

»ÈÍÑÎã

¼«Ê¬¤Î¥Û¡¼¥à¥Ç¥£¥ì¥¯¥È¥ê /home/yourname ¤ò /backup ¤Ë¥Ð¥Ã¥¯ ¥¢¥Ã¥×¤¹¤ë¤Ë¤Ï¼¡¤Î¤è¤¦¤Ë¼Â¹Ô¤·¤Þ¤¹¡£

   % pdumpfs /home/yourname /backup >/backup/log 2>/backup/error-log

2ÆüÌܰʹߤΥХ寥¢¥Ã¥×¤Ï cron ¤Ç¹Ô¤¦¤È¤¤¤¤¤Ç¤·¤ç¤¦¡£ËèÄ« 5 »þ¤Ë¥Ð¥Ã¥¯¥¢¥Ã¥×¤ò¹Ô¤¦¤Ë¤Ï crontab ¤Ë¼¡¤Î¤è¤¦¤ÊÀßÄê¤òµ­½Ò¤· ¤Þ¤¹¡£

    00 05 * * * pdumpfs /home/yourname /backup >/backup/log 2>/backup/error-log

ËèÆü¤Î¥Ð¥Ã¥¯¥¢¥Ã¥×¤¬½çÄ´¤Ë¿Ê¤à¤È¡¢ /backup/2001/02/19/yourname/... ¤Î¤è¤¦¤Ê¥Õ¥¡¥¤¥ë̾¤Ç²áµî¤Î¥Õ¥¡ ¥¤¥ë¤Ë¥¢¥¯¥»¥¹¤Ç¤­¤Þ¤¹¡£

À©¸Â»ö¹à

  • pdumpfs ¤ÏÄ̾ï¤Î¥Õ¥¡¥¤¥ë¡¢¥Ç¥£¥ì¥¯¥È¥ê¡¢¤ª¤è¤Ó¥·¥ó¥Ü¥ê¥Ã¥¯¥ê ¥ó¥¯¤Î¤ß¤ËÂбþ¤·¤Æ¤¤¤Þ¤¹¡£ÆÃ¼ì¤Ê¥Ç¥Ð¥¤¥¹¥Õ¥¡¥¤¥ë¤Ê¤É¤Ï°·¤¨¤Þ¤»¤ó¡£
  • ¥Ï¡¼¥É¥ê¥ó¥¯¤òÍøÍѤ·¤Æ¤¤¤ë¤Î¤Ç¡¢¤ª¤½¤é¤¯ UNIX°Ê³°¤Î¥·¥¹ ¥Æ¥à¤Ç¤Ï»È¤¨¤Þ¤»¤ó¡£
  • µðÂç¤Ê¥Õ¥¡¥¤¥ë¤òÉÑÈˤËÄɲᦹ¹¿·¤¹¤ë¥Ç¥£¥ì¥¯¥È¥ê¤ËÂФ·¤Æ¤Ï¸þ ¤¤¤Æ¤Þ¤»¤ó¡£
  • ¥Ð¥Ã¥¯¥¢¥Ã¥×¤ÏËèÆü¹Ô¤¤¤Þ¤·¤ç¤¦¡£¥Ð¥Ã¥¯¥¢¥Ã¥×¤Î´Ö³Ö¤¬ 32Æü °Ê¾å¡¢¶õ¤¯¤Èº¹Ê¬¥Ð¥Ã¥¯¥¢¥Ã¥×¤Ï¹Ô¤¨¤Ê¤¯¤Ê¤ê¤Þ¤¹¡£
  • pdumpfs ¤ò±¿ÍѤ¹¤ë¤È¡¢²áµî¤Î¥Õ¥¡¥¤¥ë¤ò¤¤¤Ä¤Ç¤â¼è¤êÌ᤻¤ë ¤Î¤Ç¡¢ÉÔÍפˤʤä¿¥Õ¥¡¥¤¥ë¤òµ¤·Ú¤Ëºï½ü¤¹¤ë¤³¤È¤¬¤Ç¤­¤Þ¤¹¡£¤· ¤«¤·¡¢²á¿®¤Ï¶ØÊª¤Ç¤¹¡£pdumpfs¤Ë¤Ï½ÅÂç¤Ê¥Ð¥°¤¬¤¢¤ë¤«¤â¤·¤ì¤Þ ¤»¤ó¡£

ƦÃμ±

  • 1Æü¤¢¤¿¤ê 10 MB ¤º¤Ä¥Õ¥¡¥¤¥ë¤¬Äɲᦹ¹¿·¤µ¤ì¤ë¤È¤·¤Æ¡¢1ǯ¤Ç4 GB ¤¯¤é¤¤¥Ç¥£¥¹¥¯¾ÃÈñ¤¬Áý¤¨¤ë·×»»¤Ç¤¹¡£¶áǯ¤Î·×»»µ¡»ö¾ð¤ò¹Í ¤¨¤ì¤Ð¡¢¤³¤Î¤¯¤é¤¤¤ÏÊ¿µ¤¤Ç¤·¤ç¤¦¡£
  • ¥Ð¥Ã¥¯¥¢¥Ã¥×¤ÏʪÍýŪ¤Ë°Û¤Ê¤ë¥Ç¥Ð¥¤¥¹¤Ë¼è¤ê¤Þ¤·¤ç¤¦¡£
  • Linux ¤Î ext2/ext3 ¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤Ç¤Ï chattr ¥³¥Þ¥ó¥É¤Ç¥Õ¥¡¥¤¥ë¤òÊѹ¹ÉÔ²Äǽ(immutable) ¤Ë¤¹¤ë¤³¤È¤¬¤Ç¤­¤Þ¤¹¡£ /backup °Ê²¼¤Î¤¹¤Ù¤Æ¤Î¥Õ¥¡ ¥¤¥ë¤òÊѹ¹ÉÔ²Äǽ¤Ë¤¹¤ë¤Ë¤Ï root ¸¢¸Â¤Ç chattr -R +i /backup ¤È¼Â¹Ô¤·¤Þ¤¹¡£chattr ¥³¥Þ¥ó¥É¤ò»È¤¨¤Ð¡¢¥Ð¥Ã¥¯ ¥¢¥Ã¥×¤ò¤¦¤Ã¤«¤ê rm -rf ¤·¤Æ¤·¤Þ¤¦¤È¤¤¤¦Èï³²¤òͽËɤǤ­¤Þ¤¹¡£

¥À¥¦¥ó¥í¡¼¥É

GNU General Public License version 2 ( ÆüËܸìÌõ)¤Ë½¾¤Ã¤¿¥Õ¥ê¡¼¥½¥Õ¥È¥¦¥§¥¢¤È¤·¤Æ¸ø³«¤·¤Þ¤¹¡£ ´°Á´¤Ë̵ÊݾڤǤ¹¡£


$Id: pdumpfs-ja.html,v 1.12 2002/08/06 08:46:03 satoru Exp $

¹âÎÓů (satoru@namazu.org)