On Apr 28, 2010, at 9:48 PM, Jim Horng wrote: >> 3 shelves with 2 controllers each. 48 drive per >> shelf. These are Fibrechannel attached. We would like >> all 144 drives added to the same large pool. > > I would do either a 12 or 16 disk raidz3 vdev and do spread out the disk > across controllers within vdevs. also may want to leave a least 1 spare disk > per shelf. (i.e. some vdevs with one less disk).
Why would you recommend a spare for raidz2 or raidz3? -- richard ZFS storage and performance consulting at http://www.RichardElling.com ZFS training on deduplication, NexentaStor, and NAS performance Las Vegas, April 29-30, 2010 http://nexenta-vegas.eventbrite.com _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
