kernel: Buffer I/O errors in /var/log/messages.
Issue
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Getting Buffer I/0 errors on unused EMC san luns:
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I/O error is triggerting in the logs, as shown below:
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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