[DRBD-user] Verify causing kernel panic.

Ben Clewett ben at roadrunner.uk.com
Thu Oct 23 08:59:37 CEST 2008

Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.

Hi Lars,

I have 8.2.6 deployed on quite a few customer facing databases, which I 
installed two days ago.

I am quite worried about the kernel panic.  I know that a 'verify' can 
cause this.  Can you please tell me any other actions I should avoid 
until 8.4.7?



Lars Ellenberg wrote:
> On Wed, Oct 22, 2008 at 07:16:16PM +0100, Ben Clewett wrote:
>> DRBD 6.2.6
>> Linux hp-tm-09 #1 SMP 2008/01/23 14:28:52 UTC  
>> x86_64 x86_64 x86_64 GNU/Linux
>> Dear DRBD,
>> I have just suffered a kernel panic which I believe was caused by the  
>> end of a 'verify', and I would like your opinion as to why this  
>> happened.  I do have a suspicion it may be my fault.
>> The primary log shows the start of the verify and a list of bad sectors  
>> found:
>> Oct 21 22:31:20  drbd0: conn( Connected -> VerifyS )
>> Oct 22 17:07:49  drbd0: Out of sync: start=1612817344, size=24 (sectors)
>> Oct 22 17:07:49  drbd0: Out of sync: start=1612818000, size=16 (sectors)
>> Oct 22 17:07:51  drbd0: Out of sync: start=1612867664, size=24 (sectors)
>> Oct 22 17:07:51  drbd0: Out of sync: start=1612869240, size=24 (sectors)
>> Oct 22 17:07:57  drbd0: Out of sync: start=1612989568, size=16 (sectors)
>> Oct 22 17:08:00  drbd0: Out of sync: start=1613046616, size=16 (sectors)
>> Oct 22 17:08:03  drbd0: Out of sync: start=1613103760, size=24 (sectors)
>> After this the event handler fired and sent the email.  At this time the  
>> kernel panicked/crashed.
> http://thread.gmane.org/gmane.linux.network.drbd/16103/focus=16118
> 8.2.7 will be out "real soon now".

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