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Do you know/have any system which works on ZFS such as RDMS? If yes, what is your setup? FreeBSD, ZFS on Linux etc.

metdos
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Yes, ZFS can support production workloads, such as hosting virtualization systems, running an Oracle database or general NAS or block-level storage presentation.

What are you interested in doing?

Edit:

This depends on your implementation, but ZFS on Solaris, NexentaStor, OpenIndiana, FreeBSD and even on Linux, have been extremely stable and solid for me so far.

Some other user experiences here: ZFS Data Loss Scenarios

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ewwhite
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  • I'm planning to run a PostgreSQL instance on the top of ZFS, and I thought that any production environment can give me clues about performance and stability. – metdos Dec 21 '12 at 15:19
  • See my edit above. – ewwhite Dec 21 '12 at 15:34
  • I have years of experience with ZFS on Solaris-like platforms. I've only been testing ZFS on Linux (CentOS 6) for the past 4 weeks. It's been *okay* so far. No crashes, but a couple of small bugs... Do you have a particular reason for wanting to use ZFS? – ewwhite Dec 21 '12 at 15:41
  • Yes, my reasons are related with compression. 1- I want to keep more data. 2- I want to see that if benefit of reading less data is bigger than decompressing data on the fly. – metdos Dec 21 '12 at 15:44
  • @metdos Yes, that's exactly why I use ZFS (on Linux) on production DB systems. Using the default compression scheme, there's a tremendous benefit with no negative impact. Using gzip, there's a bigger CPU hit. – ewwhite Dec 21 '12 at 15:47
  • Have you ever seen such a behavior like in this thread: https://groups.google.com/a/zfsonlinux.org/forum/?fromgroups=#!topic/zfs-discuss/Eb48rC-6xcc – metdos Dec 21 '12 at 15:52
  • @eewhite Which DB do you use? If Oracle why did you migrate from Solaris to CentOS ? – metdos Dec 21 '12 at 15:53
  • Proprietary database... not relational. And no, I havent' seen that particular issue. I've only been using this with Linux for a month, so I'm still testing. The flexibility and reduced data footprint is worth any performance decrease. – ewwhite Dec 21 '12 at 15:55