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/var/log/messages に kernel: Buffer I/O エラーが出力される

Solution Verified - Updated -

Issue

  • 未使用の EMC SAN LUN で Buffer I/0 エラーが発生します。

  • ログに、以下のような I/O エラーが出力されます。

kernel: Buffer I/O error on device sdb, logical block 0
kernel: Buffer I/O error on device sdc, logical block 0
kernel: Buffer I/O error on device sdd, logical block 0
kernel: Buffer I/O error on device sdf, logical block 6553631

Environment

  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6

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