Hi!

We have experienced several blackouts on our small ceph cluster.
Most annoying problem is time desync just after a blackout: mons are not 
starting to work before time sync, after resync and manual restart of monitors, 
some of pgs can stuck in "inactive" or "peering" state for a significant period 
of time, restarting of osds with such pgs can unstuck them.

Pavel.


> 18 марта 2015 г., в 6:32, Jesus Chavez (jeschave) <jesch...@cisco.com> 
> написал(а):
> 
> Hi everyone, I am ready to launch ceph on production but there is one thing 
> that keeps on my mind... If there was a Blackout where all the ceph nodes 
> went off what would really  happen with the filesystem? It would get corrupt? 
> Or ceph has any Kind of mechanism to survive to something like that?
> Thanks
> 
> 
> Jesus Chavez
> SYSTEMS ENGINEER-C.SALES
> 
> jesch...@cisco.com <mailto:jesch...@cisco.com>
> Phone: +52 55 5267 3146 <tel:+52%2055%205267%203146>
> Mobile: +51 1 5538883255 <tel:+51%201%205538883255>
> 
> CCIE - 44433
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