Date: Sat, 12 Sep 2015 07:15:45 -0400 From: Mark Saad <nonesuch@longcount.org> To: freebsd-fs@freebsd.org Subject: Fwd: L2ARC and pool corruption Message-ID: <76AD038E-4D72-48BB-8A3B-BD9BD76F9350@longcount.org> References: <CA%2Bo5Y=1L9_qdrPZs5G=z7ZH01MLpCMEGEPAQ6G8nTPcd1uzUNA@mail.gmail.com>
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--- Mark Saad | nonesuch@longcount.org Begin forwarded message: > From: Ryan Zezeski <ryan@zinascii.com> > Subject: L2ARC and pool corruption >=20 > A bug was discovered in L2ARC that can cause pool metadata corruption and u= ltimately prevents the pool from being imported. This bug was introduced bac= k in Dec 2014. A fix is currently under review. >=20 > I recommend that we disable L2ARC for any SmartOS platform images that inc= lude this commit: >=20 > commit 89c86e32293a30cdd7af530c38b2073fee01411c > Author: Chris Williamson <Chris.Williamson@delphix.com> > Date: Mon Dec 29 19:12:23 2014 -0800 >=20 > 5408 managing ZFS cache devices requires lots of RAM > Reviewed by: Christopher Siden <christopher.siden@delphix.com> > Reviewed by: George Wilson <george.wilson@delphix.com> > Reviewed by: Matthew Ahrens <mahrens@delphix.com> > Reviewed by: Don Brady <dev.fs.zfs@gmail.com> > Reviewed by: Josef 'Jeff' Sipek <josef.sipek@nexenta.com> > Approved by: Garrett D'Amore <garrett@damore.org> >=20 > If you are unsure if a given platform includes this commit then send me th= e version string and I'll find out. >=20 > Here is the announcement on the OmniOS discussion list with more informati= on: >=20 > http://permalink.gmane.org/gmane.os.omnios.general/5113 >=20 > And the official bug report with root cause analysis: >=20 > https://www.illumos.org/issues/6214 >=20 > -Z
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