[zfs-discuss] Abysmal ISCSI / ZFS Performance

2010-02-10 Thread Brian E. Imhoff
I am in the proof-of-concept phase of building a large ZFS/Solaris based SAN box, and am experiencing absolutely poor / unusable performance. Where to begin... The Hardware setup: Supermicro 4U 24 Drive Bay Chassis Supermicro X8DT3 Server Motherboard 2x Xeon E5520 Nehalem 2.26 Quad Core CPUs 4

Re: [zfs-discuss] Abysmal ISCSI / ZFS Performance

2010-02-16 Thread Brian E. Imhoff
Some more back story. I initially started with Solaris 10 u8, and was getting 40ish MB/s reads, and 65-70MB/s writes, which was still a far cry from the performance I was getting with OpenFiler. I decided to try Opensolaris 2009.06, thinking that since it was more "state of the art & up to dat