NFS over CEPH - best practice

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On 5/13/2014 9:43 AM, Andrei Mikhailovsky wrote:
> Dima, do you have any examples / howtos for this? I would love to give
> it a go.

Not really: I haven't done this myself. Google for "tgtd failover with 
heartbeat", you should find something useful.

The setups I have are heartbeat (3.0.x) managing drbd (8.4), "cluster 
ip", and nfs daemons. With nothing else failover takes a couple of 
seconds & it's practically seamless. When I also throw ldap and dns in 
the mix, it's more like 30 seconds and clients with /home on nfs freeze 
for a bit -- but not long enough to break things.

This is a pretty standard HA setup, in theory it should work for tgtd.

Dima (what happens in practice, OTOH...)



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