On Wed, May 26, 2010 at 4:27 PM, Giovanni Tirloni <gtirl...@sysdroid.com> wrote: > SuperMicro X8DTi motherboard > SuperMicro SC846E1 chassis (3Gb/s backplane) > LSI 9211-4i (PCIex x4) connected to backplane with a SFF-8087 cable (4-lane). > 18 x Seagate 1TB SATA 7200rpm > > I was able to saturate the system at 800MB/s with the 18 disks in > RAID-0. Same performance was achieved swapping the 9211-4i for a > MegaRAID 8888ELP. > > I'm guessing the backplane and cable are the bottleneck here.
I'd wager it's the PCIe x4. That's about 1000MB/s raw bandwidth, about 800MB/s after overhead. -B -- Brandon High : bh...@freaks.com _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
