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Proxmox with SAN

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Hi everybody,
I'm going to install proxmox on one node with a FC SAN (I would like to add another node in future), but I just have some concerns about which storage backend to use.

I really like ZFS and I would like to use it on my SAN, but I don't have RAM to give it and I'd prefer to use my SAN's RAID and caching functionality.
Is this supported somehow? (eg. create a pool with a SAN LUN only, and setting zfs arc_limit to 0 ...)
How about performance?

If not, is there an alternative to ZFS which gives me, at least, the possibility to:
  • take snapshots
  • have a separate volume for each VM disk
  • create thin provisioned disks
  • add another node


I already tried with LVM, but it lacks for thin provisioning support....

Thanks

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