/var/log/messages一堆硬碟的error - Linux

OS是CentOS 6.2 x64
硬碟是WD AAKX 500G
最近我備份用的硬碟一直出現以下的錯誤訊息
Buffer I/O error on device sdb1, logical block 68415940
lost page write due to I/O error on sdb1
Buffer I/O error on device sdb1, logical block 68415941
lost page write due to I/O error on sdb1
ata6: EH complete
ata6.00: exception Emask 0x10 SAct 0x0 SErr 0x400100 action 0x6
ata6.00: BMDMA stat 0x26
ata6.00: SError: { UnrecovData Handshk }
ata6.00: failed command: WRITE DMA EXT
ata6.00: cmd 35/00:00:1f:92:9f/00:04:20:00:00/e0 tag 0 dma 524288 out
res 51/84:80:1f:92:9f/84:03:20:00:00/e0 Emask 0x30 (host bus error)
ata6.00: status: { DRDY ERR }
ata6.00: error: { ICRC ABRT }
ata6.00: hard resetting link
ata6.01: hard resetting link

有試過將kernel版本更新並跑了一次e2fsck還是同樣的結果
不知是主機板、排線還是硬碟快掛了
請問有人遇到類似的狀況嗎？
應該要如何去比較好？感謝

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