# [OmniOS-discuss] Two panics now while writing eager zeros to zvols

Richard Jahnel rjahnel at ellipseinc.com
Thu Oct 8 22:28:55 UTC 2015

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    VMware Esx 5.5

    QLogic Fibre

    Omnios r14

    I have 3 zvols on 3 zpools (1ea)

    I am attempting to get of the garbage in the empty space by creating eager zeroed vmdks in the free space on vmfs5 volumes backed by zfs zvols.

    The zvols are hosted on zpools with 2 cache ssds 2 log ssd in mirror and lz4 compression turned on.

    Twice in the past 24 hours the Omnios host has panicked after about 8 hours of writing eager zero to one or more vmdks.

    Any ideas? Dump available upon request.

    [Ellipse Communications]

    Richard Jahnel | Senior Network Engineer
    Ellipse Communications - Corporate Office
    14800 Quorum Dr, Suite 420  Dallas, TX 75254
    TF: 888-678-3869 | F: 972-479-9115
    Email<mailto:rjahnel at ellipseinc.com> * Website<https://www.ellipseinc.com> * Facebook<https://www.facebook.com/ellipsegroup> * Twitter<https://www.twitter.com/theellipsecow>

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