Re: OSD flapping during recovery

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On Mon, 17 Feb 2014 11:24:42 -0800 Craig Lewis wrote:

[kswapd going bersek]
> 
> Any idea what happened?  I'm assuming it will happen again if recovery 
> takes long enough.
>
You're running into a well known, but poorly rectified (if at all) kernel
problem, there is little Ceph has to do with it other than doing what is
supposed to, move large amounts of data around.

Check out:
https://bugzilla.redhat.com/show_bug.cgi?id=712019

and linked from there:
https://lkml.org/lkml/2013/3/17/50

Ubuntu has this bug logged as well:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/721896

Regards,

Christian
-- 
Christian Balzer        Network/Systems Engineer                
chibi@xxxxxxx   	Global OnLine Japan/Fusion Communications
http://www.gol.com/
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