On Fri, 23 Oct 2009, Arne Jansen wrote:
3) Do you have any configuration hints for setting up a pool layout which might help resilver performance? (aside from using hardware RAID instead of RAIDZ)
Using fewer drives per vdev should certainly speed up resilver performance. It sounds you pool has one vdev with 22 drives. If you can afford to lose a bit of disk space, you will obtain more performance by splitting into more vdevs.
Since your test files are relatively large, they are likely maximally striped across the disks, which results in more seeks/reads in order to reconstruct the data block, or to reconstruct a disk.
Bob -- Bob Friesenhahn bfrie...@simple.dallas.tx.us, http://www.simplesystems.org/users/bfriesen/ GraphicsMagick Maintainer, http://www.GraphicsMagick.org/ _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
