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Your comment was snarky and completely mislead.
Given I've built storage solutions on top of Nexenta in HA configurations for enterprise clients for a number of years, I'd say I am well versed in the ins and outs of ZFS and HA storage.
But, as I said, go with whatever works for you. Hack it...
Ok. You know it all, so I'll stop bothering to help. Proper storage engineering is pretty basic info, too - for ZFS or legacy RAID. But, you go with whatever works for you.
I am proposing not using a ZIL at all with a 1Gbps link to get to the storage from your hosts. The ZIL will speed up disk access, but you'll never see the performance increase because you can only access the data so fast over a 1Gbps link like that. If you're already getting 110Mb/sec and...
@danswartz: If you only have a 1Gbps link to your storage, a ZIL is almost pointless. You won't be seeing 1Gbps out of the link, given TCP/IP overhead. You might see 100MB/sec in a perfect world. There isn't enough bandwidth on the network link to stress even a small set of 6Gbps spindles. A...
I'm a little late to the party, but a couple of things come to mind.
One, ZFS doesn't like anything behind a RAID controller. It can't see what the drives are doing when it's hidden like that. It'll tolerate it, but it's not ideal. It's an interesting idea, though, to use the RAID controller...