Ask help on an issue 'XFS (sd*): discard failed for extent, error 5'

[Jevon Qiao]

Hi All,

Currently, I notice that there are lot's of errors written in the 
/var/log/messages file.

    2015-08-29T23:58:54.477236+00:00 server-68 kernel: sd 0:0:4:0: [sdc]
    2015-08-29T23:58:54.477255+00:00 server-68 kernel: Result:
    hostbyte=DID_OK driverbyte=DRIVER_SENSE
    2015-08-29T23:58:54.477256+00:00 server-68 kernel: sd 0:0:4:0: [sdc]
    2015-08-29T23:58:54.477257+00:00 server-68 kernel: Sense Key :
    Illegal Request [current]
    2015-08-29T23:58:54.477258+00:00 server-68 kernel: sd 0:0:4:0: [sdc]
    2015-08-29T23:58:54.477259+00:00 server-68 kernel: Add. Sense:
    Invalid field in parameter list
    2015-08-29T23:58:54.477260+00:00 server-68 kernel: sd 0:0:4:0: [sdc]
    CDB:
    2015-08-29T23:58:54.477261+00:00 server-68 kernel: Unmap/Read
    sub-channel: 42 00 00 00 00 00 00 00 18 00
    2015-08-29T23:58:54.477263+00:00 server-68 kernel: end_request:
    critical target error, dev sdc, sector 325046824
    2015-08-29T23:58:54.477268+00:00 server-68 kernel: XFS (sdc2):
    discard failed for extent [0x64815,2021], error 5

Has anyone encountered the same issue before? How can you solve it?

Thanks,
Jevon
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