I'm seeing some errors on my unit and I'm trying to determine what is going on..

Aug 12 13:15:11 iSCSI-T kernel: end_request: I/O error, dev hda, sector 485566
Aug 12 13:15:11 iSCSI-T kernel: ide: failed opcode was: unknown
Aug 12 13:15:11 iSCSI-T kernel: hda: task_in_intr: error=0x44 { DriveStatusError UncorrectableError }, LBAsect=485566, sector=485566
Aug 12 13:15:11 iSCSI-T kernel: hda: task_in_intr: status=0x51 { DriveReady SeekComplete Error }
Aug 12 13:15:11 iSCSI-T kernel: end_request: I/O error, dev hda, sector 485564
Aug 12 13:15:11 iSCSI-T kernel: ide: failed opcode was: unknown
Aug 12 13:15:11 iSCSI-T kernel: hda: task_in_intr: error=0x44 { DriveStatusError UncorrectableError }, LBAsect=485564, sector=485564
Aug 12 13:15:11 iSCSI-T kernel: hda: task_in_intr: status=0x51 { DriveReady SeekComplete Error }
Aug 12 13:14:54 iSCSI-T kernel: end_request: I/O error, dev hda, sector 500892
Aug 12 13:14:54 iSCSI-T kernel: ide: failed opcode was: unknown
Aug 12 13:14:54 iSCSI-T kernel: hda: task_in_intr: error=0x44 { DriveStatusError UncorrectableError }, LBAsect=500892, sector=500892
Aug 12 13:14:54 iSCSI-T kernel: hda: task_in_intr: status=0x51 { DriveReady SeekComplete Error }
Aug 12 13:14:54 iSCSI-T kernel: end_request: I/O error, dev hda, sector 485566
Aug 12 13:14:54 iSCSI-T kernel: ide: failed opcode was: unknown
Aug 12 13:14:54 iSCSI-T kernel: hda: task_in_intr: error=0x44 { DriveStatusError UncorrectableError }, LBAsect=485566, sector=485566
Aug 12 13:14:54 iSCSI-T kernel: hda: task_in_intr: status=0x51 { DriveReady SeekComplete Error }
Aug 12 13:14:54 iSCSI-T kernel: end_request: I/O error, dev hda, sector 485564
Aug 12 13:14:54 iSCSI-T kernel: ide: failed opcode was: unknown
Aug 12 13:14:54 iSCSI-T kernel: hda: task_in_intr: error=0x44 { DriveStatusError UncorrectableError }, LBAsect=485564, sector=485564
Aug 12 13:14:54 iSCSI-T kernel: hda: task_in_intr: status=0x51 { DriveReady SeekComplete Error }
Aug 12 13:14:54 iSCSI-T kernel: end_request: I/O error, dev hda, sector 485566
Aug 12 13:14:54 iSCSI-T kernel: ide: failed opcode was: unknown
Aug 12 13:14:54 iSCSI-T kernel: hda: task_in_intr: error=0x44 { DriveStatusError UncorrectableError }, LBAsect=485566, sector=485566
Aug 12 13:14:54 iSCSI-T kernel: hda: task_in_intr: status=0x51 { DriveReady SeekComplete Error }
Aug 12 13:14:54 iSCSI-T kernel: end_request: I/O error, dev hda, sector 485564
Aug 12 13:14:54 iSCSI-T kernel: ide: failed opcode was: unknown
Aug 12 13:14:54 iSCSI-T kernel: hda: task_in_intr: error=0x44 { DriveStatusError UncorrectableError }, LBAsect=485564, sector=485564
Aug 12 13:14:54 iSCSI-T kernel: hda: task_in_intr: status=0x51 { DriveReady SeekComplete Error }

Does this mean that my DOM is going bad?