Hi,
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:
http://serverfault.com/a/274995
<http://serverfault.com/questions/274990/fault-tolerant-nfs/274995#274995>
http://sysconfig.org.uk/2011/07/glusterfs-a-workhorse-that-needs-to-be-tamed/
"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."
http://lists.linux-ha.org/pipermail/linux-ha/2004-September/012005.html
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:
http://gluster.org/community/documentation/index.php/Gluster_3.2:_Provisioning_Storage_on_Gluster_Virtual_Storage_Appliance
Thank you.
--
Best Regards
Runar Ingebrigtsen
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