There is a thread quite similar to this but it did not provide a clear answer to the question which was worded a bit odd..
I have a Thumper and am trying to determine, for performance, which is the best ZFS configuration of the two shown below. Any issues other than performance that anyone may see to steer me in one direction or another would be helpful as well. Thanks. ZFS Config 1: zpool status pool: rpool state: ONLINE scrub: none requested config: NAME STATE READ WRITE CKSUM rpool ONLINE 0 0 0 raidz ONLINE 0 0 0 c0t1d0 ONLINE 0 0 0 c1t1d0 ONLINE 0 0 0 c4t1d0 ONLINE 0 0 0 c5t1d0 ONLINE 0 0 0 c6t1d0 ONLINE 0 0 0 c7t1d0 ONLINE 0 0 0 raidz ONLINE 0 0 0 c0t2d0 ONLINE 0 0 0 c1t2d0 ONLINE 0 0 0 c4t2d0 ONLINE 0 0 0 c5t2d0 ONLINE 0 0 0 c6t2d0 ONLINE 0 0 0 c7t2d0 ONLINE 0 0 0 raidz ONLINE 0 0 0 c0t3d0 ONLINE 0 0 0 c1t3d0 ONLINE 0 0 0 c4t3d0 ONLINE 0 0 0 c5t3d0 ONLINE 0 0 0 c6t3d0 ONLINE 0 0 0 c7t3d0 ONLINE 0 0 0 raidz ONLINE 0 0 0 c0t4d0 ONLINE 0 0 0 c1t4d0 ONLINE 0 0 0 c4t4d0 ONLINE 0 0 0 c5t4d0 ONLINE 0 0 0 c6t4d0 ONLINE 0 0 0 c7t4d0 ONLINE 0 0 0 versus ZFS Config 2: zpool status pool: rpool state: ONLINE scrub: none requested config: NAME STATE READ WRITE CKSUM rpool ONLINE 0 0 0 raidz1 ONLINE 0 0 0 c0t1d0 ONLINE 0 0 0 c1t1d0 ONLINE 0 0 0 c4t1d0 ONLINE 0 0 0 c5t1d0 ONLINE 0 0 0 c6t1d0 ONLINE 0 0 0 c7t1d0 ONLINE 0 0 0 c0t2d0 ONLINE 0 0 0 c1t2d0 ONLINE 0 0 0 c4t2d0 ONLINE 0 0 0 c5t2d0 ONLINE 0 0 0 c6t2d0 ONLINE 0 0 0 c7t2d0 ONLINE 0 0 0 c0t3d0 ONLINE 0 0 0 c1t3d0 ONLINE 0 0 0 c4t3d0 ONLINE 0 0 0 c5t3d0 ONLINE 0 0 0 c6t3d0 ONLINE 0 0 0 c7t3d0 ONLINE 0 0 0 c0t4d0 ONLINE 0 0 0 c1t4d0 ONLINE 0 0 0 c4t4d0 ONLINE 0 0 0 c5t4d0 ONLINE 0 0 0 c6t4d0 ONLINE 0 0 0 c7t4d0 ONLINE 0 0 0 In a nutshell, for performance reasons, is it better to have multiple raidz vdevs in the pool or just one raidz vdev. The number of disks used is the same in either case. Thanks again. This message posted from opensolaris.org _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss