Don Enrique wrote: > Now, my initial plan was to create one large pool comprised of X RAIDZ-2 > vdevs ( 7 + 2 ) > with one hotspare per 10 drives and just continue to expand that pool as > needed. > > Between calculating the MTTDL and performance models i was hit by a rather > scary thought. > > A pool comprised of X vdevs is no more resilient to data loss than the > weakest vdev since loss > of a vdev would render the entire pool unusable. > > This means that i potentially could loose 40TB+ of data if three disks within > the same RAIDZ-2 > vdev should die before the resilvering of at least one disk is complete. > Since most disks > will be filled i do expect rather long resilvering times.
Why are you planning on using RAIDZ-2 rather than mirroring ? -- Darren J Moffat _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
