[illumos-Advocates] RTI: 883 ZIL reuse during remount can lead to data corruption

[Gordon Ross]

I approve.

On Tue, May 31, 2011 at 4:20 PM, Eric Schrock <eric.schrock at delphix.com> wrote:
> Description of problem in bug report:
> https://www.illumos.org/issues/883
> Final webrev:
> http://dev1.illumos.org/~eschrock/cr/zil-remount/
> 'hg outgoing -v' output:
> --
> comparing with ssh://anonhg@hg.illumos.org/illumos-gate
> searching for changes
> changeset:   13380:7465845e38c2
> tag:         tip
> user:        Eric Schrock <Eric.Schrock at delphix.com>
> date:        Tue May 31 13:12:11 2011 -0700
> description:
>         883 ZIL reuse during remount can lead to data corruption
>         Reviewed by: Matt Ahrens <Matt.Ahrens at delphix.com>
>         Reviewed by: Adam Leventhal <Adam.Leventhal at delphix.com>
>         Reviewed by: Albert Lee <trisk at nexenta.com>
>         Reviewed by: Gordon Ross <gwr at nexenta.com>
>         Reviewed by: Garrett D'Amore <garrett at nexenta.com>
>         Reivewed by: Dan McDonald <danmcd at nexenta.com>
> modified:
>    usr/src/cmd/ztest/ztest.c
>    usr/src/uts/common/fs/zfs/zil.c
> --
> 'hg pbchk' output:
> --
> Copyright check:
> C style check:
> Header format check:
> Java style check:
> Mapfile comment check:
> File permission check:
> Keywords check:
> Comments check:
> Checking for new tags:
> Checking for multiple heads (or branches):
> Checking for branch changes:
> Checking for uncommitted changes:
> Checking for merges:
> --
> 'hg export' and nightly mail_msg are attached.
> This was tested with the new ztest changes, and has been through the Delphix
> QA wringer for several months now.
> Thanks,
> - Eric
> --
> Eric Schrock
> Delphix
> 275 Middlefield Road, Suite 50
> Menlo Park, CA 94025
> http://www.delphix.com
>
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