# [OmniOS-discuss] r151014 users - beware of illumos 6214 and L2ARC

Dan McDonald danmcd at omniti.com
Fri Sep 11 02:31:37 UTC 2015

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    I'm not sure about latent corruption.  I do know that the worst-case corruption won't be caught by zpool scrub because the corrupt data checksums nicely.

    Dan

    Sent from my iPhone (typos, autocorrect, and all)

    On Sep 10, 2015, at 10:26 PM, Paul B. Henson <henson at acm.org> wrote:

    >> From: Dan McDonald
    >> Sent: Thursday, September 10, 2015 4:53 AM
    >>
    >> This bug can lead to problems ranging from false-positives on zpool scrub
    > all the
    >> way up to actual pool corruption.
    >
    > Ouch 8-/, thanks for the heads up. I removed my cache devices for now; are
    > these problems something that is immediately visible, or could I possibly
    > still have some latent corruption hiding somewhere that might not be noticed
    > for months :(?
    >
    > My last scrub ran last Friday and said it repaired 0 with 0 errors and there
    > were no known data errors. Now that the cache devices have been removed,
    > would another successful scrub prove there has been no damage?
    >
    > Thanks.
    >
    >

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