Ed White has been doing it in production on RHEL/CentOS for a number of years now. He's got a great write-up on a "roll your own" clustered ZFS-based SAN replac

Ed White has been doing it in production on RHEL/CentOS for a number of years now. He's got a great write-up on a "roll your own" clustered ZFS-based SAN replacement here: https://github.com/ewwhite/zfs-ha/wiki https://github.com/ewwhite/zfs-ha/wiki You can probably hit-up Ed via Github or Server Fault if you want to talk to him about it directly.