volume degraded

Hi,

I don't see anything unusual for sdm in the disk_info.log:

 

Device:             sdm
Controller:         0
Channel:            3
Model:              WDC WD4000F9YZ-09N20L1
Serial:             WD-WCC5D0HH7DHH
Firmware:           01.01A02
Class:              SATA
RPM:                7200
Sectors:            7814037168
Pool:               data
PoolType:           RAID 6
PoolState:          3
PoolHostId:         43f68b06
Health data
  ATA Error Count:                0
  Reallocated Sectors:            0
  Reallocation Events:            0
  Spin Retry Count:               0
  Current Pending Sector Count:   0
  Uncorrectable Sector Count:     0
  Temperature:                    41
  Start/Stop Count:               7
  Power-On Hours:                 16538
  Power Cycle Count:              7
  Load Cycle Count:               4

 

and no error in smart_history.log:

model                 serial                realloc_sect  realloc_evnt  spin_retry_cnt  ioedc       cmd_timeouts  pending_sect  uncorrectable_err  ata_errors  timestamp   time               
--------------------  --------------------  ------------  ------------  --------------  ----------  ------------  ------------  -----------------  ----------  ----------  -------------------

WDC WD4000F9YZ-09N20  WD-WCC5D0HH7DHH       0             0             0               -1          -1            0             0                  0           1448002169  2015-11-20 06:49:29

 

However, there have been bunch of errors for sdm in messages.log file.

I have a tough time attaching the messages.log file. Tried messages.log, messages.txt, and even converted to pdf. Will try attach again after this post.

 

Please advise. Thanks,