> Are there any benchmarks or numbers showing the performance difference using > a 15 disk raidz2 zpool? I am fine sacrificing some performance but obviously > don't want to make the machine crawl. > > It sounds like I could go with 15 disks evenly and have to sacrifice 3, but I > would have 1 parity disk on each 7 disk raidz1 zpool and a hot spare to cover > a failure on either pool: > > zpool create tank \ > raidz disk1 disk2 disk3 disk4 disk5 disk6 disk7 \ > raidz disk8 disk9 disk10 disk11 disk12 disk13 disk14 \ > spare disk15
If space is not your first priority I'd go for a zpool with two raidz2-set each with 8 disk. Then you still have 12 disks at your disposal. -- regards Claus When lenity and cruelty play for a kingdom, the gentlest gamester is the soonest winner. Shakespeare _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
