On 08/04/15 04:56, Ian Clark wrote:
On 28 July 2015 at 23:52, William A. Mahaffey III <wam%hiwaay.net@localhost> 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
I attach diskabel info from the install process for 1 of the six drives. This output was created during the scripted setup & is identical for all 6 drives except for HDD names. If you need more info, please don't hesitate.
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William A. Mahaffey III
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"The M1 Garand is without doubt the finest implement of war
ever devised by man."
-- Gen. George S. Patton Jr.
# /dev/rwd0d: type: ESDI disk: HGST HTS721010A9 label: disk0 flags: bytes/sector: 512 sectors/track: 63 tracks/cylinder: 16 sectors/cylinder: 1008 cylinders: 1938021 total sectors: 1953525168 rpm: 3600 interleave: 1 trackskew: 0 cylinderskew: 0 headswitch: 0 # microseconds track-to-track seek: 0 # microseconds drivedata: 0 6 partitions: # size offset fstype [fsize bsize cpg/sgs] a: 33554432 2048 RAID # (Cyl. 2*- 33290*) c: 1953523120 2048 unused 0 0 # (Cyl. 2*- 1938020) d: 1953525168 0 unused 0 0 # (Cyl. 0 - 1938020) e: 33554432 33556480 swap # (Cyl. 33290*- 66578*) f: 1886414256 67110912 RAID # (Cyl. 66578*- 1938020)