[Gluster-users] Block replication with glusterfs for NFS failover

Runar Ingebrigtsen runar at rin.no
Tue Oct 23 11:55:01 UTC 2012


to enable NFS state transfer between hosts in a failover SAN, it is 
necessary to have the NFS state data on the exact same blocks on both 
storage nodes:

"You MUST have a shared (precisely the same block for block) filesystem 
or NFS failover won't work, and you'll get stale NFS file handles."

Simply linking /usr/lib/nfs to the glusterfs volume doesn't work.

My questions:
Can I somehow enable block-for-block replication with GlusterFS?
What is this: 

Thank you.

Best Regards
Runar Ingebrigtsen
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