磁盘阵列，求救

大家好，我实验室磁盘阵列出现最近出现以下问题：

Jun 29 12:07:05 node01 kernel: SCSI disk error : host 2 channel 0 id 0 lun 0 return code = 440b0000
Jun 29 12:07:05 node01 kernel:  I/O error: dev 08:11, sector 724072656
Jun 29 12:41:52 node01 kernel: SCSI disk error : host 2 channel 0 id 0 lun 0 return code = 440b0000
Jun 29 12:41:52 node01 kernel:  I/O error: dev 08:11, sector 724135952
Jun 29 12:41:52 node01 kernel: SCSI disk error : host 2 channel 0 id 0 lun 0 return code = 440b0000
Jun 29 12:41:52 node01 kernel:  I/O error: dev 08:11, sector 724135992
Jun 29 12:41:52 node01 kernel: SCSI disk error : host 2 channel 0 id 0 lun 0 return code = 440b0000
Jun 29 12:41:52 node01 kernel:  I/O error: dev 08:11, sector 724136000
......
Jun 29 12:41:55 node01 kernel: Error (-5) on journal on device 08:11
Jun 29 12:41:55 node01 kernel: Aborting journal on device sd(8,17).
Jun 29 12:42:11 node01 kernel: SCSI disk error : host 2 channel 0 id 0 lun 0 return code = 440b0000
Jun 29 12:42:11 node01 kernel:  I/O error: dev 08:11, sector 724238432
Jun 29 12:42:11 node01 kernel: ext3_abort called.
Jun 29 12:42:11 node01 kernel: EXT3-fs abort (device sd(8,17)): ext3_journal_start: Detected aborted journal
Jun 29 12:42:11 node01 kernel: Remounting filesystem read-only
Jun 29 12:42:11 node01 kernel: SCSI disk error : host 2 channel 0 id 0 lun 0 return code = 440b0000
Jun 29 12:42:11 node01 kernel:  I/O error: dev 08:11, sector 724138304
Jun 29 12:42:11 node01 kernel: SCSI disk error : host 2 channel 0 id 0 lun 0 return code = 440b0000
Jun 29 12:42:11 node01 kernel:  I/O error: dev 08:11, sector 724138328
Jun 29 12:42:11 node01 kernel: SCSI disk error : host 2 channel 0 id 0 lun 0 return code = 440b0000
......

Jun 29 13:04:46 node01 kernel: EXT3-fs error (device sd(8,17)): ext3_get_inode_loc: unable to read inode block - inode=90079233, block=180158466
Jun 29 13:04:46 node01 kernel: SCSI disk error : host 2 channel 0 id 0 lun 0 return code = 440b0000
Jun 29 13:04:46 node01 kernel:  I/O error: dev 08:11, sector 1441792016
Jun 29 13:04:46 node01 kernel: EXT3-fs error (device sd(8,17)): ext3_get_inode_loc: unable to read inode block - inode=90112001, block=180224002
Jun 29 13:04:46 node01 kernel: SCSI disk error : host 2 channel 0 id 0 lun 0 return code = 440b0000
Jun 29 13:04:46 node01 kernel:  I/O error: dev 08:11, sector 1442316304
Jun 29 13:04:46 node01 kernel: EXT3-fs error (device sd(8,17)): ext3_get_inode_loc: unable to read inode block - inode=90144769, block=180289538
Jun 29 13:04:46 node01 kernel: SCSI disk error : host 2 channel 0 id 0 lun 0 return code = 440b0000
Jun 29 13:04:46 node01 kernel:  I/O error: dev 08:11, sector 1442840592
......

Jun 29 21:06:52 node01 kernel: SCSI bus is being reset for host 2 channel 0.
Jun 29 21:06:52 node01 kernel: SCSI host 2 channel 0 reset (pid 954675) timed out - trying harder
Jun 29 21:06:52 node01 kernel: SCSI bus is being reset for host 2 channel 0.
Jun 29 21:06:52 node01 kernel: SCSI host 2 channel 0 reset (pid 954679) timed out - trying harder
Jun 29 21:06:52 node01 kernel: SCSI bus is being reset for host 2 channel 0.
Jun 29 21:06:52 node01 kernel: SCSI host 2 reset (pid 954666) timed out again -
Jun 29 21:06:52 node01 kernel: probably an unrecoverable SCSI bus or device hang.
Jun 29 21:06:52 node01 kernel: SCSI host 2 reset (pid 95466 timed out again -
Jun 29 21:06:52 node01 kernel: probably an unrecoverable SCSI bus or device hang.
Jun 29 21:06:52 node01 kernel: SCSI host 2 reset (pid 954667) timed out again -
Jun 29 21:06:52 node01 kernel: probably an unrecoverable SCSI bus or device hang.
Jun 29 21:06:52 node01 kernel: SCSI host 2 reset (pid 954671) timed out again -
Jun 29 21:06:52 node01 kernel: probably an unrecoverable SCSI bus or device hang.
.....
Jul  1 17:06:45 node01 kernel: SCSI disk error : host 2 channel 0 id 1 lun 0 return code = 440b0000
Jul  1 17:06:45 node01 kernel:  I/O error: dev 08:21, sector 1236896776
Jul  1 17:06:45 node01 kernel: mptbase: ioc2: WARNING - IOCStatus(0x0046): SCSI I/O Data Error
Jul  1 17:06:45 node01 kernel: SCSI disk error : host 2 channel 0 id 1 lun 0 return code = 440b0000
Jul  1 17:06:45 node01 kernel:  I/O error: dev 08:21, sector 1236896768
Jul  1 17:06:45 node01 kernel: mptbase: ioc2: WARNING - IOCStatus(0x0046): SCSI I/O Data Error
Jul  1 17:06:45 node01 kernel: SCSI disk error : host 2 channel 0 id 1 lun 0 return code = 440b0000
Jul  1 17:06:45 node01 kernel:  I/O error: dev 08:21, sector 1236926216
Jul  1 17:06:45 node01 kernel: mptbase: ioc2: WARNING - LogInfo(0x110a0000): F/W: Device Problem
Jul  1 17:06:45 node01 kernel: mptbase: ioc2: WARNING - IOCStatus(0x0046): SCSI I/O Data Error

系统Redhat AS3
错误信息比较多，还请大家能帮我诊断一下吗，谢谢了。