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Date:      Fri, 18 Aug 1995 10:19:41 +0300
From:      kallio@jyu.fi (Seppo Kallio)
To:        Julian Elischer <julian@ref.tfs.com>
Cc:        freebsd-questions@freebsd.org
Subject:   Re: ** How to add second SCSI disk ? **
Message-ID:  <v0153050bac59e13de94e@[130.234.41.39]>

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After fdisk and some partition definitions I am getting using
"disklabel -r sd1":

# /dev/rsd1c:
type: SCSI
disk: sd1s1
label:
flags:
bytes/sector: 512
sectors/track: 32
tracks/cylinder: 64
sectors/cylinder: 2048
cylinders: 80
sectors/unit: 165856
rpm: 0
interleave: 0
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:   145856    20000    4.2BSD        0     0     0   # (Cyl.    9*- 80*)
  b:    20000        0      swap                        # (Cyl.    0 - 9*)
  c:   165856        0    unused        0     0         # (Cyl.    0 - 80*)

I have some questions (I am trying to understand this all):

1. If I exit, disklabel is complaining about rpm and interleave. Can I
change them to whatever I like (that is: are they actually used?)?

2. Why 8 partitions? There is only 3 (I have 8 on sd0)

3. If I change the order to

#        size   offset    fstype   [fsize bsize bps/cpg]
  a:   145856        0    4.2BSD        0     0     0   # (Cyl.    9*- 80*)
  b:    20000   145856      swap                        # (Cyl.    0 - 9*)
  c:   165856        0    unused        0     0         # (Cyl.    0 - 80*)

Mount does not accpet it, "/dev/sd1a on /mnt: Incorrect super block.". Why?

Seppo

--
 +--    Seppo Kallio       -----             kallio@jyu.fi              ---+
 !    Computing Center       !   Fax +358-41-603611 Phone +358-41-603606   !
 !  University of Jyvaskyla  !         http://www.jyu.fi/~kallio           !
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