В Tue, 4 Aug 2015 15:54:53 +0000
"Streeter, Michelle N" <[email protected]> пишет:

> Oops and Clarification: I was wrong about the iscsi.   Its Serial over scsi 
> or SAS.
> 
> From: Streeter, Michelle N
> Sent: Tuesday, August 04, 2015 10:39 AM
> To: '[email protected]'
> Subject: NFS - Non Mirroring
> 
> Our current configuration is using rhel 6 ha which uses the cluster.conf and 
> nfsclient.
> 
> I am testing the newer upgrade to pacemaker.  Current Test is Pacemaker 1.1.9
> 
> I am still constrained to rhel 6.6
> 
> We have a two node system.   Both nodes are pointing to the same drives via 
> iscsi.   And so we are not mirroring.
> 
> I see all kinds of info on NFSserver and DRBD but this is for mirroring.
> 

It does not really matter. As long as both nodes can access the same
block device everything else is the same. So you can use any tutorial,
just replace reference to DRBD with your device nodes and skip setup
related to DRBD, assume device nodes exist.

> Saw some stuff using exportfs but the nfs-kernel-? Seemed to be an older 
> implementation
> 

nfsserver is effectively active/passive - one node starts NFS server and
exports everything, another node waits to takeover. exportfs allows
active/active setup where each node exports different filesystems.
But exportfs does not allow transfer of locks between nodes, so it
could affect some client applications.

> So, with that said, which implementation should I use to implement my NFS 
> system?
> 

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