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    Hi All,<br>
    <br>
    Currently, I notice that there are lot's of errors written in the
    /var/log/messages file.<br>
    <blockquote>2015-08-29T23:58:54.477236+00:00 server-68 kernel: sd
      0:0:4:0: [sdc]<br>
      2015-08-29T23:58:54.477255+00:00 server-68 kernel: Result:
      hostbyte=DID_OK driverbyte=DRIVER_SENSE<br>
      2015-08-29T23:58:54.477256+00:00 server-68 kernel: sd 0:0:4:0:
      [sdc]<br>
      2015-08-29T23:58:54.477257+00:00 server-68 kernel: Sense Key :
      Illegal Request [current]<br>
      2015-08-29T23:58:54.477258+00:00 server-68 kernel: sd 0:0:4:0:
      [sdc]<br>
      2015-08-29T23:58:54.477259+00:00 server-68 kernel: Add. Sense:
      Invalid field in parameter list<br>
      2015-08-29T23:58:54.477260+00:00 server-68 kernel: sd 0:0:4:0:
      [sdc] CDB:<br>
      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<br>
      2015-08-29T23:58:54.477263+00:00 server-68 kernel: end_request:
      critical target error, dev sdc, sector 325046824<br>
      2015-08-29T23:58:54.477268+00:00 server-68 kernel: XFS (sdc2):
      discard failed for extent [0x64815,2021], error 5<br>
    </blockquote>
    Has anyone encountered the same issue before? How can you solve it?<br>
    <br>
    Thanks,<br>
    Jevon<br>
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