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HOME > ½Ã½ºÅÛ °ü¸® / ¼­¹ö¿î¿µ > ¹é¾÷(backup) / ½Ã½ºÅÛ º¹±¸ µµ¿ò¸»
°Ë»ö : »çÀÌÆ® WHOIS À¥¼­¹ö Á¾·ù


  ¸®´ª½º¿¡¼­ ¼Ö¶ó¸®½º DAT ÀåÄ¡·Î ¸®¸ðÆ® ¹é¾÷ ÀÛ¼ºÀÏ : 2003/08/09 00:19
 
  • ±Û¾´ÀÌ : ÁÁÀºÁøÈ£ ( http://coffeenix.net/ )
  • Á¶È¸¼ö : 10205
          [ ÀÌÀüÈ­¸é / ¼öÁ¤ ]   ºñ¹Ð¹øÈ£ :     Àμâ¿ë È­¸é
      ÀÛ¼ºÀÚ : ÁÁÀºÁøÈ£(truefeel, http://coffeenix.net/ )
    ÀÛ¼ºÀÏ : 2000.6.15 (KLDP¿¡ ¿Ã·È´ø ±Û)
    À̱ÛÀÌ ¿äÁò¿¡ Àǹ̰¡ ÀÖÀ»Áö Àǹ®À̳׿ä. ¾Æ·¡±Û¿¡¼­ ¾ê±âÇÑ rshº¸´Ù´Â ssh¸¦ ¾²½Ã±æ.


      
    ¸®´ª½º¹Ú½º¿¡¼­ ¼Ö¶ó¸®½º DAT·Î ¸®¸ðÆ® ¹é¾÷ÇÏ´Â ¹æ¹ýÀ» °£´ÜÈ÷ ¼Ò°³ÇÏ°Ú½À´Ï´Ù.
    (rsh¿Í dump¸¦ ÀÌ¿ëÇÏ´Â ¹æ¹ý)
      
    (1) ¼Ö¶ó¸®½º ÂÊ¿¡¼­ ÇÒ °Í
       (solaris.truefeel.co.kr, IP´Â 123.123.123.1 À̶ó°í °¡Á¤)
    - ÀÎÅÍ³Ý ¼öÆÛµ¥¸ó(/etc/inetd.conf)¿¡¼­ rshd µ¥¸óÀ» ¿­¾îµÐ´Ù.
    - root¿¡ .rhosts ÆÄÀÏÀ» ¸¸µç´Ù.
    - /etc/hosts ÆÄÀÏ¿¡ ¸®´ª½º ¹Ú½ºÀÇ È£½ºÆ®¸íÀ» µî·ÏÇÑ´Ù.
      
    (2) ¸®´ª½º¹Ú½º¿¡¼­ ÇÒ °Í
      (linux.truefeel.co.kr, IP´Â 123.123.123.2 ¶ó°í °¡Á¤)
    - rsh ¸í·É°ú dump ¸í·É
      
    -------------------------------------------------------------------
    ½ÇÀü¿¡ µé¾î°¡ÀÚ!

    (1) ¼Ö¶ó¸®½º¿¡¼­ ¼³Á¤(rshd µ¥¸óÀ» ¿­¾î ¸®´ª½ºÀÇ rsh ¸í·ÉÀ» ¹Þ¾ÆµéÀδÙ.)

    1. /etc/inetd.conf¿¡¼­ rshd µ¥¸óÀ» ¿­¾îµÐ´Ù.

    shell   stream  tcp     nowait  root    /usr/sbin/in.rshd       in.rshd

    2. inetd µ¥¸óÀ» Àç½ÇÇàÇÑ´Ù.

    ~# kill -HUP `ps -ef|grep inetd|grep -v grep|awk '{print $2}'`

    ¶Ç´Â Á÷Á¢ ps ·Î È®ÀÎ ÈÄ kill -HUP

    3. ¸®´ª½º¹Ú½º¿¡¼­ rsh ¸í·ÉÀ¸·Î Á¢±Ù°¡´ÉÇϵµ·Ï rootȨ¿¡ .rhosts¸¦
        µî·ÏÇÑ´Ù. DAT ÀåÄ¡´Â root(¼Ö¶ó¸®½ºÀÇ root)°¡ Á¢±ÙÇϹǷΠrootÀÇ
        .rhosts¿¡ µî·ÏÇÏ´Â °ÍÀº ´ç¿¬ÇÏ°ÚÁÒ.

    linux.truefeel.co.kr root

    4. /etc/hosts ¿¡ ¸®´ª½º ¹Ú½ºÀÇ È£½ºÆ®¸íÀ» Ãß°¡ÇÑ´Ù.

    (ÁÖ) ÀÌ»óÇÏ°Ôµµ /etc/hosts¿¡ ¸®´ª½º¹Ú½ºÀÇ È£½º¸íÀ» ³ÖÁö ¾ÊÀ¸¸é ¸®´ª½ºÂÊ
    ¿¡¼­ rsh ¸í·ÉÀ» ÇÒ ¶§ 'permission denied'¶ó´Â ¸Þ½ÃÁö¿Í ÇÔ²² Á¾·áµÇ¹ö¸®´õ±º¿ä.
    ¼Ö¶ó¸®½º³¢¸® remote backupÇÒ ¶§´Â /etc/hosts¿Í ¹«°üÇÏ°Ô Àß µÇ±¸¿ä.

    123.123.123.2 linux.truefeel.co.kr linux

    ¼Ö¶ó¸®½º ÂÊÀÇ Áغñ´Â ¸ðµÎ ³¡³µ°í ¹é¾÷ Å×ÀÙÀ» ³Ö¾îµÐ´Ù.

    (2) ¸®´ª½º¿¡¼­ rsh, dump ½ÇÇà

    1. ¹é¾÷ Å×ÀÙÀ» °¨´Â´Ù.
        (solaris´Â ¼Ö¶ó¸®½º ¼­¹ö¸í, /dev/rmt/0´Â DAT ÀåÄ¡¸í)
      ~# rsh -l root solaris mt -f /dev/rmt/0 rewind

    2. ÀÌÁ¦ ¹é¾÷À» ½ÃÀÛÇÑ´Ù. ´ÙÀ½ ¸í·ÉÀº /usr ÆÄƼ¼ÇÀ» ¹é¾÷¹Þ´Â ¿¹ÀÌ´Ù.

      ~# dump 0acuf root@solaris:/dev/rmt/0n /usr
      DUMP: Date of this level 0 dump: Mon Jun 5 15:56:29 2000
      DUMP: Date of last level 0 dump: the epoch
      DUMP: Dumping /dev/hda1 (/) to /dev/rmt/0n on host root@solaris
      DUMP: mapping (Pass I) [regular files]
      DUMP: mapping (Pass II) [directories]
      DUMP: estimated 1056025 tape blocks.
      DUMP: Volume 1 started at: Mon Jun 5 15:57:36 2000
      DUMP: dumping (Pass III) [directories]
      DUMP: dumping (Pass IV) [regular files]
      DUMP: 2.57% done, finished in 3:09
      DUMP: 6.90% done, finished in 2:14
      DUMP: 11.28% done, finished in 1:57
      DUMP: 15.66% done, finished in 1:47
      DUMP: 20.08% done, finished in 1:39
      ...

    root@solaris:/dev/rmt/0n ´Â ¸®¸ðÆ®ÀÇ ¼Ö¶ó¸®½º DAT ÀåÄ¡¸¦ ÀǹÌÇÑ´Ù.
    0n´Â rewindÇÏÁö ¾Ê´Â´Ù´Â ¸»ÀÌ´Ù. dump¿¡ ´ëÇÑ ÀÚ¼¼ÇÑ °ÍÀº man page¸¦
    º¸±â ¹Ù¶õ´Ù.
    (Âü°í : GNU tar ¶ÇÇÑ ¸®¸ðÆ® ¹é¾÷À» Áö¿øÇÑ´Ù.)

    Á¤»óÀûÀ¸·Î ¹é¾÷À» ¸¶ÃÆ´Ù¸é, /etc/dumpdates ¿¡ °á°ú°¡ ³²´Â´Ù.

    ~# cat /etc/dumpdates
    /dev/hda1        0 Mon Jun 5 15:56:29 2000

    3. Å×ÀÙÀ» »«´Ù.

    ~# rsh -l root solaris mt off

    ³×Æ®¿÷À» ÅëÇؼ­ ¹é¾÷À» ¹Þ°Ô µÇ¹Ç·Î ´ç¿¬È÷ ¹é¾÷ ½Ã°£ÀÌ ±æ¾îÁø´Ù.
    ÀúÈñ °æ¿ì 10MBPS ³×Æ®¿÷¿¡¼­ ÃÊ´ç 150KB/s Àü¼Û¼Óµµ·Î 1GB Á¤µµÀÇ ¿ë·®À»
    ¾à 2½Ã°£µ¿¾È dump¸¦ ¹Þ¾Ò´Ù. ¹«Áö ´À¸®ÁÒ? ³×Æ®¿÷ »óÅ¿¡ µû¶ó ´Þ¶óÁö°ÚÁÒ.

    -----------------------------------------------------------
    ¸®´ª½º ÂÊ¿¡¼­ ¹é¾÷ ½ºÅ©¸³Æ®¸¦ ¸¸µé¸é,

    #!/bin/sh
    #
    # ½Ã½ºÅÛÀüü ¹é¾÷
    #

    # ¸®¸ðÆ® ¼­¹ö ¼³Á¤(ID, ¼­¹ö¸í, ¸®¸ðÆ® DAT ÀåÄ¡)
    REMOTE_ID="root"
    REMOTE_HOST="solaris"
    DAT_DEVICE="$REMOTE_ID@$REMOTE_HOST:/dev/rmt/0n"

    # ¹é¾÷ ÆÄƼ¼Ç ¹× °á°ú ÀúÀå ÆÄÀÏ
    BACKUP="/usr"
    RESULT_FILE="$HOME/backup_result"

    # 1. Å×ÀÙÀ» °¨´Â´Ù.
    DATE_START=`date`
    rsh -l $REMOTE_ID $REMOTE_HOST mt -f /dev/rmt/0 rewind; sleep 3
      
    # 2. ¹é¾÷ ½ÃÀÛ
    dump 0acuf $DAT_DEVICE /usr; sleep 3
      
    # 3. ¹é¾÷ Å×ÀÙÀ» °¨Àº ÈÄ ²¨³½´Ù.
    rsh -l $REMOTE_ID $REMOTE_HOST mt -f /dev/rmt/0 rewind
    rsh -l $REMOTE_ID $REMOTE_HOST mt off
      
    DATE_END=`date`
      
    # 3. ¹é¾÷ °á°ú ÀúÀå
    echo "¹é¾÷ ÆÄƼ¼Ç : $BACKUP"
    echo "¹é¾÷ ½Ã  ÀÛ : $DATE_START"
    echo "¹é¾÷ Á¾  ·á : $DATE_END"

    echo "¹é¾÷ ÆÄƼ¼Ç : $BACKUP"     >> $RESULT_FILE
    echo "¹é¾÷ ½Ã  ÀÛ : $DATE_START" >> $RESULT_FILE
    echo "¹é¾÷ Á¾  ·á : $DATE_END"   >> $RESULT_FILE
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