I am new to zfs, so I am still learning. I'm using zpool iostat to measure performance. Would you say that smaller raidz2 sets would give me more reliable and better performance? I'm willing to give it a shot...
On Fri, Jun 18, 2010 at 4:42 AM, Pasi Kärkkäinen <pa...@iki.fi> wrote: > On Fri, Jun 18, 2010 at 01:26:11AM -0700, artiepen wrote: >> Well, I've searched my brains out and I can't seem to find a reason for this. >> >> I'm getting bad to medium performance with my new test storage device. I've >> got 24 1.5T disks with 2 SSDs configured as a zil log device. I'm using the >> Areca raid controller, the driver being arcmsr. Quad core AMD with 16 gig of >> RAM OpenSolaris upgraded to snv_134. >> >> The zpool has 2 11-disk raidz2's and I'm getting anywhere between 1MB/sec to >> 40MB/sec with zpool iostat. On average, though it's more like 5MB/sec if I >> watch while I'm actively doing some r/w. I know that I should be getting >> better performance. >> > > How are you measuring the performance? > Do you understand raidz2 with that big amount of disks in it will give you > really poor random write performance? > > -- Pasi > >> I'm new to OpenSolaris, but I've been using *nix systems for a long time, so >> if there's any more information that I can provide, please let me know. Am I >> doing anything wrong with this configuration? Thanks in advance. >> -- >> This message posted from opensolaris.org >> _______________________________________________ >> zfs-discuss mailing list >> zfs-discuss@opensolaris.org >> http://mail.opensolaris.org/mailman/listinfo/zfs-discuss > -- Curtis E. Combs Jr. System Administrator Associate University of Georgia High Performance Computing Center ceco...@uga.edu Office: (706) 542-0186 Cell: (706) 206-7289 Gmail Chat: psynoph...@gmail.com _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
