I'm revisiting Gluster for the purpose of hosting Virtual Machine images (KVM). I was considering the following configuration
2 Nodes - 1 Brick per node (replication = 2) - 2 * 1GB Eth, LACP Bonded - Bricks hosted on ZFS - VM Images accessed via Block driver (gfapi) ZFS Config: - Raid 10 - SSD SLOG and L2ARC - 4 GB RAM - Compression (lz4) Does that seem like an sane layout? Question: With the gfapi driver, does the vm image appear as a file on the host (zfs) file system? Background: I currently have our VM's hosted on Ceph using a similar config as above, minus zfs. I've found that the performance for such a small setup is terrible, the maintenance headache is high and when a drive drops out, the performance gets *really* bad. Last time I checked, gluster was much slower at healing large files than ceph, I'm hoping that has improved :) -- Lindsay
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