ZFS L2ARC checksum errors after compression

Lev Serebryakov lev at FreeBSD.org
Sat Jan 7 12:29:32 UTC 2017


Hello Andriy,

Saturday, November 12, 2016, 2:56:05 PM, you wrote:

>>> because of the confusing variable names I made a mistake in the patch that I
>>> offered you.  Could you please try a new slight different patch?
>>> Also, I think that there could be another problem in addition to the one that I
>>> see.  But I am quite busy at the moment, no time to investigate.  Maybe on the
>>> weekend or some time next week.
>> 
>>  Nope. Second version of patch doesn't help either. Still unrealistic
>> high compression ratio (ALLOC/SIZE, slightly less than 2 on mostly
>> uncompresseable data), 16.0E of FREE since ALLOC becomes greater than
>> SIZE and lot of checksum errors since the same moment.

> I see.
> Could you please send me full output of the following commands?
> zpool status -v
> zpool list -v
> zdb -CC $pool
 Any news on this issue? Should I file formal PR?


-- 
Best regards,
 Lev                            mailto:lev at FreeBSD.org
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