[ClusterLabs] Antw: Handling NFS lock recovery

Ulrich Windl Ulrich.Windl at rz.uni-regensburg.de
Mon Apr 20 03:20:55 EDT 2015

>>> "Daniel O'Brien" <Daniel.OBrien at slicedtech.com.au> schrieb am 20.04.2015 um
09:13 in Nachricht
<666364879260423aaf60ddc5338b9e23 at cbr1stmx01.slicedtech.com.au>:
> I'm trying to figure out the best way to handle NFS lock recovery on an 
> Active-Active setup. I've seen some guides suggest lsp and statd but I've also 
> found an ra called nfsserver.

All solutions I know periodically copy the lock table to some persistent storage that is migrated with the filesystem. Then the lock table is restored at the new server. This solution cannot be perfect, but it's probably "better than nothing" (tm).


> Assuming the need to handle NFSv3 is there a preference between each? Does 
> using only NFSv4 make things simpler?
> Dan

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