# [OmniOS-discuss] ZFS Checksum problem

Eric Sproul esproul at omniti.com
Mon Jul 1 21:05:53 UTC 2013

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    On Mon, Jul 1, 2013 at 4:53 PM, "Daniel D. Gonçalves"
    <daniel at dgnetwork.com.br> wrote:
    > The other drives are the same model (desktop class), but some are model
    > ST3000DM001-1CH166 and other model ST3000DM001-9YN166.
    > The firmware of some are different, the hard drives that are in trouble are
    > firmware CC24, while others are CC4B and CC26.
    >
    > Swap the drives for Enterprise model are out of the question now. Any
    > suggestions?

    If you suspect firmware, you could try upgrading one of the "bad"
    drives and see if the cksum errors stop.  You could try detaching one
    drive from each controller (i.e. one "good" and one "bad") and
    attaching them to the other.  That might indicate whether the problem
    follows the controller or the drive.

    Eric

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