VMWARE vCenter on NFS what the logic in choosing a volume size

it seems like many people are going with  at LEAST 10 TB

but the consensus is that the majority of NFS datastores are in the tens of terabytes in
terms of size. The datastores sizes vary greatly from customer to customer.
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
That seems very large, just think about the performance, and risk of corruption if ALL your VMs are located on a single NFS datastore.

Are you using a NetApp Filer?

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Seth SimmonsSr. Systems AdministratorCommented:
we use 2tb for our datastores with thin provisioned guests
once we see we're about 80% used we'll create another 2tb datastore
working fine for us
Thin provisionning is your friend ! NFS can be hot-resized... And your vmdk can also be thin provisionned.

A real benefit // LUNs... just be careful with perfs !
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NAMEWITHELD12Author Commented:
hancock my friend !

yeah I was reading a lot about this and they are going to be going on a v6290 with 376 usable  TB on four 4486 shelves

the aggregate size is  48TB for the SATA and 1.4 Tb  and 2.0 for SSD
Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
Personally, I would not want all our VMs on the same datastore.

But that being said, if you are running SAN Snapshots for Backup of entire NFS Export, Snapmirrored, and are on-top of the restore situation, and regularly check, and do not have any performance issues, jumbo frames, 10GBe - then it should be safe.
NFS volumes can be snapshot but be careful, you're not aware of any vmdk consistency (and forget it if any database in it). I works most of the time, but... no guarantee.

Veeam, SMVI, etc. will greatly do the job. Depending on the product, you may also boot some VMs on your DRP volume if needed in a degraded mode for faster activity recovery.

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