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Date:      Tue, 4 Apr 1995 08:25:16 -0500 (CDT)
From:      bob@obiwan.pmr.com (Bob Willcox)
To:        bde@zeta.org.au (Bruce Evans)
Cc:        freebsd-current@freefall.cdrom.com
Subject:   Re: Proper procedure to partition/label disk now?
Message-ID:  <m0rw8bd-00030UC@obiwan.pmr.com>
In-Reply-To: <199504041131.VAA19165@godzilla.zeta.org.au> from "Bruce Evans" at Apr 4, 95 09:31:33 pm

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Bruce Evans wrote:
> 
> >What is the correct way to partition and disklabel a disk now that
> >the slice code is in -current?  I have a disk that I just low-level
> >formated (so it has *nothing* on it) that I would like to partition
> >and disklabel for FreeBSD.  How do I go about this?
> 
> For using the whole disk for FreeBSD, just run disklabel.  The man
> page may actually be complete now that the 'd' partition isn't
> special.  This assumes that the disk really is clean, without
> misleading junk in the partition table.

Ok, I've done that.  When I mount the filesystem (after having
newfs'd it) I get the following messages:

Apr  4 08:14:27 luke /kernel: sd2: invalid primary partition table: no magic
Apr  4 08:14:27 luke /kernel: sd2: raw partition size != slice size
Apr  4 08:14:27 luke /kernel: sd2: start 0, end 782599, size 782600
Apr  4 08:14:27 luke /kernel: sd2c: start 0, end 782335, size 782336

The first two seem to be complaining about the lack of a partition
table.

Here is the disklabel for the drive:

# /dev/rsd2c:
type: SCSI
disk: IBM0661
label: 
flags:
bytes/sector: 512
sectors/track: 32
tracks/cylinder: 64
sectors/cylinder: 2048
cylinders: 382
sectors/unit: 782600
rpm: 3600
interleave: 1
trackskew: 0
cylinderskew: 0
headswitch: 0		# milliseconds
track-to-track seek: 0	# milliseconds
drivedata: 0 

4 partitions:
#        size   offset    fstype   [fsize bsize bps/cpg]
  a:   782336        0    4.2BSD     1024  8192    16 	# (Cyl.    0 - 381)
  c:   782336        0    unused        0     0       	# (Cyl.    0 - 381)
  d:   782336        0    unused        0     0       	# (Cyl.    0 - 381)


> 
> Partitioning and labeling can be practiced on virtual (vn) drives.
> See old commit mail.

Ok, but this is simply a test drive so I have no problems practicing
on it :-)  I'm trying to understand how to do all of this stuff
now for when I convert my primary system from 1.1.5.1 to 2.1.  (It
currently has 13 disks on it and lots of data I don't want to lose.)


-- 
Bob Willcox
bob@obiwan.pmr.com (or obiwan%bob@uunet.uu.net)
Austin, TX



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