I have a log file full of this error every once in a while. Everything works and the parity check runs every Sunday night and says it was fine. Any ideas at what it means?

 

I do believe this is a WD EADS green drive 2gb.

 

Jan 19 05:53:42 Tower kernel: ata7.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0

Jan 19 05:53:42 Tower kernel: ata7.00: irq_stat 0x40000001

Jan 19 05:53:42 Tower kernel: ata7.00: failed command: READ DMA EXT

Jan 19 05:53:42 Tower kernel: ata7.00: cmd 25/00:00:e7:2e:11/00:04:4b:00:00/e0 tag 0 dma 524288 in

Jan 19 05:53:42 Tower kernel:        res 51/40:5f:83:31:11/00:01:4b:00:00/e0 Emask 0x9 (media error)

Jan 19 05:53:42 Tower kernel: ata7.00: status: { DRDY ERR }

Jan 19 05:53:42 Tower kernel: ata7.00: error: { UNC }

Jan 19 05:53:45 Tower kernel: ata7.00: configured for UDMA/33

Jan 19 05:53:45 Tower kernel: sd 7:0:0:0: [sdh] 

Jan 19 05:53:45 Tower kernel: Result: hostbyte=0x00 driverbyte=0x08

Jan 19 05:53:45 Tower kernel: sd 7:0:0:0: [sdh] 

Jan 19 05:53:45 Tower kernel: Sense Key : 0x3 [current] [descriptor]

Jan 19 05:53:45 Tower kernel: Descriptor sense data with sense descriptors (in hex):

Jan 19 05:53:45 Tower kernel:        72 03 11 04 00 00 00 0c 00 0a 80 00 00 00 00 00

Jan 19 05:53:45 Tower kernel:        4b 11 31 83

Jan 19 05:53:45 Tower kernel: sd 7:0:0:0: [sdh] 

Jan 19 05:53:45 Tower kernel: ASC=0x11 ASCQ=0x4

Jan 19 05:53:45 Tower kernel: sd 7:0:0:0: [sdh] CDB:

Jan 19 05:53:45 Tower kernel: cdb[0]=0x28: 28 00 4b 11 2e e7 00 04 00 00

Jan 19 05:53:45 Tower kernel: end_request: I/O error, dev sdh, sector 1259417987

Jan 19 05:53:45 Tower kernel: ata7: EH complete

Post a SMART report.