Filesystem became read-only after SCSI error

Solution Unverified - Updated -

Issue

  • The filesystem on VMware VM was remounted as read-only after following error messages:

    Mar  2 20:16:07 vm1 kernel: sd 2:0:1:0: [sdb]  Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
    Mar  2 20:16:07 vm1 kernel: sd 2:0:1:0: [sdb]  Sense Key : Not Ready [current] 
    Mar  2 20:16:07 vm1 kernel: sd 2:0:1:0: [sdb]  Add. Sense: No additional sense information
    Mar  2 20:16:07 vm1 kernel: sd 2:0:1:0: [sdb] CDB: Write(10): 2a 00 00 00 30 10 00 00 10 00
    Mar  2 20:16:07 vm1 kernel: end_request: I/O error, dev sdb, sector 12304
    Mar  2 20:16:07 vm1 kernel: Buffer I/O error on device dm-4, logical block 1026
    Mar  2 20:16:07 vm1 kernel: lost page write due to I/O error on dm-4
    Mar  2 20:16:07 vm1 kernel: Buffer I/O error on device dm-4, logical block 1027
    Mar  2 20:16:07 vm1 kernel: lost page write due to I/O error on dm-4
    Mar  2 20:16:07 vm1 kernel: sd 2:0:1:0: [sdb]  Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
    Mar  2 20:16:07 vm1 kernel: sd 2:0:1:0: [sdb]  Sense Key : Not Ready [current] 
    Mar  2 20:16:07 vm1 kernel: sd 2:0:1:0: [sdb]  Add. Sense: No additional sense information
    Mar  2 20:16:07 vm1 kernel: sd 2:0:1:0: [sdb] CDB: Write(10): 2a 00 00 00 40 18 00 00 08 00
    Mar  2 20:16:07 vm1 kernel: end_request: I/O error, dev sdb, sector 16408
    Mar  2 20:16:07 vm1 kernel: Buffer I/O error on device dm-4, logical block 1539
    Mar  2 20:16:07 vm1 kernel: lost page write due to I/O error on dm-4
    Mar  2 20:16:07 vm1 kernel: JBD: Detected IO errors while flushing file data on dm-4
    Mar  2 20:16:07 vm1 kernel: EXT3-fs unexpected failure: buffer_uptodate(jh2bh(jh));
    Mar  2 20:16:07 vm1 kernel: Possible IO failure.
    Mar  2 20:16:07 vm1 kernel: 
    Mar  2 20:16:07 vm1 kernel: EXT3-fs unexpected failure: buffer_uptodate(jh2bh(jh));
    Mar  2 20:16:07 vm1 kernel: Possible IO failure.
    

Environment

  • Red Hat Enterprise Linux 5, 6
  • VMware Virtual disks

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