jithinraj
Contributor
Contributor

Will HA work if I share NFS datastore across the cluster

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Hi All,

Please help me on my below question?

Will HA work if I share NFS datastore across the cluster? Even though if works is it good practice?

Thanks

Jithin

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mcowger
Immortal
Immortal

Yes, but a VM will only restart on a host within the same VMware cluster.

--Matt VCDX #52 blog.cowger.us

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prasadsv
Enthusiast
Enthusiast

Yes.It will work.VMware supports FC,NFS,iSCSI and FCoE. HA will work with all the datastores of these protocols.

Please award points if this answer is helpful.

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jithinraj
Contributor
Contributor

Thanks Prasad, if NFS datastore across the cluster..ie same datastore shared between esx hosts in different clusters...will HA work on this scenario?

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mcowger
Immortal
Immortal

Yes, but a VM will only restart on a host within the same VMware cluster.

--Matt VCDX #52 blog.cowger.us

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jithinraj
Contributor
Contributor

Thanks very much Matt...very helpful...

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EdWilts
Expert
Expert

We use this a lot.  You do have to be concerned about whether or not your NFS server has enough capacity to handle a large recovery though.  Don't use a low-end NetApp filer, add a shelf of SATA disks, and expect a hundreds VMs to come up very quickly.

It's very easy to create hotspots on NetApp filers if you de-dupe with ASIS and a boot storm can be ugly.  The flash cards will help you with this too.

.../Ed (VCP4, VCP5)
jithinraj
Contributor
Contributor

Thanks ED...

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