On Nov 7, 2013, at 3:54 PM, Thomas Lunde <tlunde at gmail.com> wrote: > "Unlike RAID-5, RAID-Z doesn't use one specific drive for the parity, but it rotates the parity around different disks. This makes the system more efficient and prevents the parity disk from wearing out as fast." > http://superuser.com/questions/255783/zfs-raidz-parity Uhm… RAID-5 rotates the parity amongst the disks… right?