L2ARC and pool corruption

[Mark Saad]

All
  I forgot to include my question . In any case Ryan and I were talking about this issue at work and I was wondering if and how this issue would effect the FreeBSD implementation of zfs . I didn't see any commits that appear to address this .

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Mark Saad | nonesuch at longcount.org

> On Sep 12, 2015, at 7:15 AM, Mark Saad <nonesuch at longcount.org> wrote:
> 
> 
> 
> ---
> Mark Saad | nonesuch at longcount.org
> 
> Begin forwarded message:
> 
>> From: Ryan Zezeski <ryan at zinascii.com>
>> Subject: L2ARC and pool corruption
>> 
>> A bug was discovered in L2ARC that can cause pool metadata corruption and ultimately prevents the pool from being imported. This bug was introduced back in Dec 2014. A fix is currently under review.
>> 
>> I recommend that we disable L2ARC for any SmartOS platform images that include this commit:
>> 
>> commit 89c86e32293a30cdd7af530c38b2073fee01411c
>> Author: Chris Williamson <Chris.Williamson at delphix.com>
>> Date:   Mon Dec 29 19:12:23 2014 -0800
>> 
>>     5408 managing ZFS cache devices requires lots of RAM
>>     Reviewed by: Christopher Siden <christopher.siden at delphix.com>
>>     Reviewed by: George Wilson <george.wilson at delphix.com>
>>     Reviewed by: Matthew Ahrens <mahrens at delphix.com>
>>     Reviewed by: Don Brady <dev.fs.zfs at gmail.com>
>>     Reviewed by: Josef 'Jeff' Sipek <josef.sipek at nexenta.com>
>>     Approved by: Garrett D'Amore <garrett at damore.org>
>> 
>> If you are unsure if a given platform includes this commit then send me the version string and I'll find out.
>> 
>> Here is the announcement on the OmniOS discussion list with more information:
>> 
>> http://permalink.gmane.org/gmane.os.omnios.general/5113
>> 
>> And the official bug report with root cause analysis:
>> 
>> https://www.illumos.org/issues/6214
>> 
>> -Z