[DRBD-user] drbd0: BUG! md_sync_timer expired! Worker calls drbd_md_sync().

[Lars Ellenberg]

On Tue, Jun 19, 2007 at 01:55:57PM +0200, H.D. wrote:
> I can't get the two boxes in sync again. It just crashed at 15% of the 
> sync this time.
> 
> Where crash is a hardlock. IPMI remote management just shows a stale 
> root console. No messages nowhere :/
> 
> But I think you are right, the bonded interface seems to have a problem. 
> It disabled/re-enabled itself a few times during the sync. At least the 
> log of the primary seems to tell that.
> 
> Can this be the cause of a too high syncer rate? Is it enough to reduce 
> the syncer rate at the secondary, so I can set it lower without a 
> restart of the primary?

try to reduce the sync rate.
also try to set a much lower max_buffers
to reduce the memory usage by the drbd resyncer.

-- 
: Lars Ellenberg                            Tel +43-1-8178292-0  :
: LINBIT Information Technologies GmbH      Fax +43-1-8178292-82 :
: Vivenotgasse 48, A-1120 Vienna/Europe    http://www.linbit.com :
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