Subject: Re: Terrible tar performance on RAID 0 filesystem
To: Greg Oster <oster@cs.usask.ca>
From: Jared D. McNeill <jmcneill@invisible.yi.org>
List: current-users
Date: 03/12/2001 19:17:52
On Mon, 12 Mar 2001, Greg Oster wrote:
> What does your disklabel for the RAID set look like?  I'm wondering
> if this could be the "sucky performance due to bad default disklabel values"
> problem reported in PR#11989...

Wups, I should probably send the whole thing :-)

# /dev/rraid0d:
type: RAID
disk: raid
label: default label
flags:
bytes/sector: 512
sectors/track: 64
tracks/cylinder: 1
sectors/cylinder: 64
cylinders: 78116
total sectors: 4999424
rpm: 3600
interleave: 1
trackskew: 0
cylinderskew: 0
headswitch: 0		# microseconds
track-to-track seek: 0	# microseconds
drivedata: 0

8 partitions:
#        size   offset     fstype   [fsize bsize cpg/sgs]
  c:  4999361       63     unused        0     0         # (Cyl.    0*- 78115)
  d:  4999424        0     4.2BSD        0     0     0   # (Cyl.    0 - 78115)
  e:  4999361       63     unused        0     0         # (Cyl.    0*- 78115)