close Warning: Can't synchronize with repository "(default)" (Unsupported version control system "svn": /usr/lib/python2.7/dist-packages/libsvn/_fs.so: failed to map segment from shared object: Cannot allocate memory). Look in the Trac log for more information.

Changes between Version 1 and Version 2 of jazz/10-07-18


Ignore:
Timestamp:
Jul 18, 2010, 4:43:35 PM (15 years ago)
Author:
jazz
Comment:

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  • jazz/10-07-18

    v1 v2  
    1212或者
    1313
    14 # dd if=/dev/sda of=/dev/sdb conv=noerror
     14# dd if=/dev/sda of=/dev/sdb conv=noerror,sync
    1515
    1616看到一個更神奇的指令是用 SSH 把運作中的硬碟資訊 dump 到遠端
    1717
    18 $ ssh ${deadserver} dd if=/dev/hda1 conv=noerror > hda1.img
     18$ ssh ${deadserver} dd if=/dev/hda1 conv=noerror,sync > hda1.img
     19}}}
     20{{{
     21conv=noerror 會略過壞軌的錯誤，繼續複製
     22conv=sync    遇到壞軌時，會填入 zero 以維持資料完整性
    1923}}}
    2024   * STEP 2 : 用 badblocks 指令確認壞軌位置，產生 badblocksfile 並重新做 fsck