Strange Kernel Errors

I got word that my server was acting strangely at around 4am this morning, and sure enough there are a batch of odd errors in /var/log/messages which I have no idea how to explain:

Aug 14 04:02:09 server1 syslogd 1.4.1: restart.
Aug 14 04:06:04 server1 kernel: ata2: status=0x51 { DriveReady SeekComplete Error }
Aug 14 04:06:04 server1 kernel: ata2: error=0x40 { UncorrectableError }
Aug 14 04:06:04 server1 kernel: ata2: status=0x51 { DriveReady SeekComplete Error }
Aug 14 04:06:04 server1 kernel: ata2: error=0x40 { UncorrectableError }
Aug 14 04:06:04 server1 kernel: ata2: status=0x51 { DriveReady SeekComplete Error }
Aug 14 04:06:04 server1 kernel: ata2: error=0x40 { UncorrectableError }
Aug 14 04:06:04 server1 kernel: ata2: status=0x51 { DriveReady SeekComplete Error }
Aug 14 04:06:04 server1 kernel: ata2: error=0x40 { UncorrectableError }
Aug 14 04:06:04 server1 kernel: ata2: status=0x51 { DriveReady SeekComplete Error }
Aug 14 04:06:04 server1 kernel: ata2: error=0x40 { UncorrectableError }
Aug 14 04:06:04 server1 kernel: SCSI error : <1 0 1 0> return code = 0x8000002
Aug 14 04:06:04 server1 kernel: Current sdb: sense = 70 3
Aug 14 04:06:06 server1 kernel: ASC=11 ASCQ= 4
Aug 14 04:06:06 server1 kernel: Raw sense data:0x70 0x00 0x03 0x00 0x00 0x00 0x00 0x0a 0x00 0x00 0x00 0x00 0x11 0x04 0x00 0x00 0x00 0x00
Aug 14 04:06:06 server1 kernel: end_request: I/O error, dev sdb, sector 213385295
Aug 14 04:06:06 server1 kernel: EXT3-fs error (device sdb1): ext3_get_inode_loc: unable to read inode block - inode=13336595, block=26673154
Aug 14 04:06:06 server1 kernel: ata2: status=0x51 { DriveReady SeekComplete Error }
Aug 14 04:06:06 server1 kernel: ata2: error=0x40 { UncorrectableError }
Aug 14 04:06:06 server1 kernel: ata2: status=0x51 { DriveReady SeekComplete Error }
Aug 14 04:06:06 server1 kernel: ata2: error=0x40 { UncorrectableError }
Aug 14 04:06:06 server1 kernel: ata2: status=0x51 { DriveReady SeekComplete Error }
Aug 14 04:06:06 server1 kernel: ata2: error=0x40 { UncorrectableError }
Aug 14 04:06:06 server1 kernel: ata2: status=0x51 { DriveReady SeekComplete Error }
Aug 14 04:06:06 server1 kernel: ata2: error=0x40 { UncorrectableError }
Aug 14 04:06:06 server1 kernel: ata2: status=0x51 { DriveReady SeekComplete Error }
Aug 14 04:06:06 server1 kernel: ata2: error=0x40 { UncorrectableError }
Aug 14 04:06:06 server1 kernel: SCSI error : <1 0 1 0> return code = 0x8000002
Aug 14 04:06:06 server1 kernel: Current sdb: sense = 70 3
Aug 14 04:06:06 server1 kernel: ASC=11 ASCQ= 4
Aug 14 04:06:06 server1 kernel: Raw sense data:0x70 0x00 0x03 0x00 0x00 0x00 0x00 0x0a 0x00 0x00 0x00 0x00 0x11 0x04 0x00 0x00 0x00 0x00
Aug 14 04:06:06 server1 kernel: end_request: I/O error, dev sdb, sector 177209423
Aug 14 04:06:06 server1 kernel: EXT3-fs error (device sdb1): ext3_get_inode_loc: unable to read inode block - inode=11075607, block=22151170
Aug 14 04:06:15 server1 kernel: ata2: status=0x51 { DriveReady SeekComplete Error }
Aug 14 04:06:15 server1 kernel: ata2: error=0x40 { UncorrectableError }
Aug 14 04:06:17 server1 kernel: ata2: status=0x51 { DriveReady SeekComplete Error }
Aug 14 04:06:17 server1 kernel: ata2: error=0x40 { UncorrectableError }
Aug 14 04:06:25 server1 kernel: ata2: status=0x51 { DriveReady SeekComplete Error }
Aug 14 04:06:25 server1 kernel: ata2: error=0x40 { UncorrectableError }
Aug 14 04:06:27 server1 kernel: ata2: status=0x51 { DriveReady SeekComplete Error }
Aug 14 04:06:27 server1 kernel: ata2: error=0x40 { UncorrectableError }
Aug 14 04:06:30 server1 kernel: ata2: status=0x51 { DriveReady SeekComplete Error }
Aug 14 04:06:30 server1 kernel: ata2: error=0x40 { UncorrectableError }
Aug 14 04:06:35 server1 kernel: ata2: status=0x51 { DriveReady SeekComplete Error }
Aug 14 04:06:35 server1 kernel: ata2: error=0x40 { UncorrectableError }


That goes on for about 100 more lines, anyone know what this means or what I should do about it?

Thanks.

 

 

 

 

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