[Gluster-users] bitrot log messages

[Jackie Tung]

That’s great, thank you!  We plan to automatically look for these signs.

For “scrub status”, do you have a sample output for a positive hit you could share easily?

> On Oct 26, 2016, at 12:05 AM, Kotresh Hiremath Ravishankar <khiremat at redhat.com> wrote:
> 
> Correcting the command..I had missed 'scrub' keyword.
> 
> "gluster vol bitrot <volname> scrub status"
> 
> Thanks and Regards,
> Kotresh H R
> 
> ----- Original Message -----
>> From: "Kotresh Hiremath Ravishankar" <khiremat at redhat.com>
>> To: "Jackie Tung" <jackie at drive.ai>
>> Cc: gluster-users at gluster.org
>> Sent: Wednesday, October 26, 2016 10:53:50 AM
>> Subject: Re: [Gluster-users] bitrot log messages
>> 
>> Hi Jackie,
>> 
>> "gluster vol bitrot <volname> status" should show the corrupted files gfid.
>> If you want to get the info from logs, it will be logged as below.
>> 
>> [2016-10-26 05:21:20.767774] A [MSGID: 118023]
>> [bit-rot-scrub.c:246:bitd_compare_ckum] 0-master-bit-rot-0: CORRUPTION
>> DETECTED: Object /dir1/file1 {Brick: /bricks/brick1/b10 | GFID:
>> b912c776-7253-4418-a35f-a37661d673b6}
>> [2016-10-26 05:21:20.770294] A [MSGID: 118024]
>> [bit-rot-scrub.c:266:bitd_compare_ckum] 0-master-bit-rot-0: Marking
>> /dir1/file1 [GFID: b912c776-7253-4418-a35f-a37661d673b6 | Brick:
>> /bricks/brick1/b10] as corrupted..
>> 
>> 
>> Thanks and Regards,
>> Kotresh H R
>> 
>> ----- Original Message -----
>>> From: "Jackie Tung" <jackie at drive.ai>
>>> To: gluster-users at gluster.org
>>> Sent: Wednesday, October 26, 2016 2:14:28 AM
>>> Subject: [Gluster-users] bitrot log messages
>>> 
>>> Hi,
>>> 
>>> Redhat documentation says that things will get logged to bitd.log, and
>>> scrub.log. These files are pretty big - even when we only take the “ E “
>>> log
>>> level lines.
>>> 
>>> https://access.redhat.com/documentation/en-US/Red_Hat_Storage/3.1/html/Administration_Guide/chap-Detecting_Data_Corruption.html
>>> 
>>> Anyone know which particular message patterns we should be actively looking
>>> for to detect bitrot?
>>> 
>>> Thanks,
>>> Jackie
>>> 
>>> 
>>> 
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