On 02/21/2013 06:56 PM, Roy Sigurd Karlsbakk wrote: > Are you sure z2 uses reed-solomon? I thought it just used two-dimensional XOR like Raid-6 Pretty sure, unless the documentation is lying: https://github.com/illumos/illumos-gate/blob/master/usr/src/uts/common/fs/zfs/vdev_raidz.c#L38-L45 Cheers, -- Saso