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Date:      Mon, 9 Jun 1997 19:34:18 +0000 ()
From:      Marc Rassbach <marc@tandem.milestonerdl.com>
To:        freebsd-questions@freebsd.org, freebsd-fs@freebsd.org
Subject:   Jaz media and 2.2.2-RELEASE
Message-ID:  <Pine.BSF.3.91.970609193111.3053A-100000@tandem.milestonerdl.com>

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I am not having luck making a /dev/sd1a partition on a jaz
disk.  The FAQ for zip and jaz from the freebsd site does make
a jaz disk via the auto feature of disklabel.  An older FAQ on
making Jaz disks does work under 2.1.6 but not 2.2.1/2.2.2.

I'm looking for pointers here....below is some data from my 
previous attempts.
 
(I'm not actively reading the lists...can you e-mail replies and
I'll summerize back to list)



>From a FAQ on Jaz's and how to make them.

jaz1gb|Iomega Jaz 1GB - FreeBSD: \
	:ty=removable:dt=SCSI:se#512:nt#64:ns#32:nc#1021:rm#5394:\
	:pa#2090976:oa#0:ba#4096:fa#1024:ta=4.2BSD: \
	:pc#2090976:oc#0:


If you go to the Iomega site and look up the solaris-jaz connectivity
Iomega recommends a configuration like this....
disklabel -r
# /dev/rsd1c:
type: SCSI
disk: jz1gb
label: 
flags: removeable
bytes/sector: 512
sectors/track: 32
tracks/cylinder: 64
sectors/cylinder: 2048
cylinders: 1018
sectors/unit: 2084864
rpm: 3600
interleave: 1
trackskew: 0
cylinderskew: 0
headswitch: 0		# milliseconds
track-to-track seek: 0	# milliseconds
drivedata: 0 

3 partitions:
#        size   offset    fstype   [fsize bsize bps/cpg]
  a:  2084864        0    4.2BSD     1024  4096     0 	# (Cyl.    0 - 1017)
  c:  2084864        0    unused        0     0       	# (Cyl.    0 - 1017)


disklabel -r from a bootable jaz 2.2.2-RELEASE
# /dev/rsd1c:
type: SCSI
disk: sd0s1
label: 
flags:
bytes/sector: 512
sectors/track: 63
tracks/cylinder: 255
sectors/cylinder: 16065
cylinders: 130
sectors/unit: 2091050
rpm: 3600
interleave: 1
trackskew: 0
cylinderskew: 0
headswitch: 0		# milliseconds
track-to-track seek: 0	# milliseconds
drivedata: 0 

8 partitions:
#        size   offset    fstype   [fsize bsize bps/cpg]
  a:  1992746    98304    4.2BSD        0     0     0 	# (Cyl.    6*- 130*)
  b:    98304        0      swap                    	# (Cyl.    0 - 6*)
  c:  2091050        0    unused        0     0       	# (Cyl.    0 - 130*)



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