On Jun 3, 2010, at 8:36 AM, Freddie Cash wrote: > On Wed, Jun 2, 2010 at 8:10 PM, Roman Naumenko <ro...@naumenko.ca> wrote: > Well, I explained it not very clearly. I meant the size of a raidz array > can't be changed. > For sure zpool add can do the job with a pool. Not with a raidz configuration. > > You can't increase the number of drives in a raidz vdev, no. Going from a > 4-drive raidz1 to a 5-drive raidz1 is currently impossible. And going from a > raidz1 to a raidz2 vdev is currently impossible. On the flip side, it's rare > to find a hardware RAID controller that allows this.
AFAIK, and someone please correct me, the only DIY/FOSS RAID implementation that allows incremental growing of RAID-5 is LVM. Of course, that means you're stuck with the RAID-5 write hole. TANSTAAFL. -- richard -- Richard Elling rich...@nexenta.com +1-760-896-4422 ZFS and NexentaStor training, Rotterdam, July 13-15, 2010 http://nexenta-rotterdam.eventbrite.com/ _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
