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Volume size limits on your SAN... Is 16TB too restrictive for your volume size limit?

2TiB per LUN on ESX until recently actually. We have a single filesystem that is 19TiB.

So... 19TiB and you're only using iSCSI instead of NFS and you're complaining about volume size restrictions?

We have to use iSCSI. Not all our kit talks NFS plus we use SAN block replication between DCs which really doesn't play nice with NFS (we did test it and discovered that not all NFS implementations are good).

This whole thing has to play nice with a windows DFS cluster as well.

You said you're using ESXi? The Windows virtual servers won't care whether they are sitting on a LUN or NFS. Why do you have to use iSCSI? Or SAN block replication for that matter? If you think you need to use iSCSI, why don't you use it for some of your storage and NFS for parts that require storage beyond 2TB?

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