On 28 July 2015 at 23:52, William A. Mahaffey III <w...@hiwaay.net> wrote: > > [anip] > > The RAID in question has 4 active drives, 1 parity drive & 1 spare, created > from identical ~900 GiB partitions on each of 6 7200 RPM 1 TB SATA3 HDD's.
What are your partition values (for the underlying drives), it sounds like these aren't aligned correctly. (I have a 3x2TB SATA HDs in raid5 and your above command runs in 3 seconds. Cheers, Ian