geom mirror now rebuilding on every reboot?

Maksim Yevmenkin maksim.yevmenkin at
Mon Aug 6 16:26:49 UTC 2012

On Mon, Aug 6, 2012 at 9:23 AM, Garrett Cooper <yanegomi at> wrote:
> On Mon, Aug 6, 2012 at 8:34 AM, Maksim Yevmenkin
> <maksim.yevmenkin at> wrote:
>> Michael,
>>> Something in -current and recently MFC'd to -stable is causing all of my
>>> gmirror drives to rebuild on reboot :-(
>>> Being remote and these being production machines, I suspect SVN r237929
>>> and r237930 in -current and SVN r238500 to -stable but haven't yet been
>>> able to prove it.
>>> Is anyone else seeing this?
>> yes, i've seem something similar only much, much worse. one of our
>> production systems completely kept loosing its gmirror volumes on
>> every reboot. it looked like gmirror metadata were completely
>> corrupted. rebuilding mirrors and reverting back to previous kernel
>> seemed to work. someone else is tracking it down.
>     Is this is in 9.1 -PRERELEASE, -RELEASE (or whatever the official
> label is...)? If so, it seems like this would be a ship blocker.

sorry. its releng_9/9-stable. gmirrors are on two ssds. we use gpt and
gmirror individual partitions, not entire disks.


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