On Fri, 2006-05-26 at 10:51 -0700, axa wrote: > >raidz is like raid 5, so you can survive the death of one disk, not 2. > >I would recomend you configure the 12 disks into, 2 raidz groups, > >then you can survive the death of one drive from each group. This is > >what i did on my system > > Hi James , Thank you very much. ;-) > > I'll configure 2 raidz groups in my pool tomorrow . BTW, I'm not sure that > multiple raidz groups might sacrifice performance?????
The prevailing wind says that RAID-Z (or RAID-5 even) using lots of disks does not perform as well as a smaller number of disks (eg. 5-7). The effect depends entirely on the workload, so it is difficult to claim all cases are better. I'll predict that it is likely you will get better performance using 2x6-disk RAID-Z than 1x12-disk RAID-Z. s/RAID-Z/RAID-5/g s/RAID-5/RAID-6/g -- richard _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
