> It's not about the checksum but about how a fs block is stored in > raid-z[12] case - it's spread out to all non-parity disks so in order > to read one fs block you have to read from all disks except parity > disks.
However, if we didn't need to verify the checksum, we wouldn't have to read the whole file system block to satisfy small reads. Anton This message posted from opensolaris.org _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss