Date: Wed, 3 Nov 1999 01:29:02 -0800 From: "Paul M . Lambert" <plambert@plambert.net> To: stable@freebsd.org Subject: CD with unknown contents. Message-ID: <19991103012902.A791@pinky.plambert.net>
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I've got a CD I'd like to look at with my FreeBSD box, but it's not
very normal.
Specifically, it's the CD from the 1999 Open Source conference. I know
it has an HFS partition on it among others, but am unable to get any
kind of reasonable info from it.
Here's what disklabel says:
root# disklabel cd0
# /dev/rcd0c:
type: SCSI
disk: MATSHITA
label: CD-ROM CR-8005
flags: removeable
bytes/sector: 2048
sectors/track: 32
tracks/cylinder: 64
sectors/cylinder: 2048
cylinders: 46
sectors/unit: 94304
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: 94304 0 unknown # (Cyl. 0 - 46*)
c: 94304 0 unused 0 0 # (Cyl. 0 - 46*)
Here's what fdisk says:
root# fdisk /dev/rcd0c
******* Working on device /dev/rcd0c *******
parameters extracted from in-core disklabel are:
cylinders=46 heads=64 sectors/track=32 (2048 blks/cyl)
parameters to be used for BIOS calculations are:
cylinders=46 heads=64 sectors/track=32 (2048 blks/cyl)
fdisk: invalid fdisk partition table found
Media sector size is 2048
Warning: BIOS sector numbering starts with sector 1
Information from DOS bootblock is:
The data for partition 1 is:
<UNUSED>
The data for partition 2 is:
<UNUSED>
The data for partition 3 is:
<UNUSED>
The data for partition 4 is:
sysid 165,(FreeBSD/NetBSD/386BSD)
start 1, size 94207 (183 Meg), flag 80 (active)
beg: cyl 0/ sector 2/ head 0;
end: cyl 45/ sector 32/ head 63
This last thing intrigues me. Does this suggest that there is a UFS
partition on this CD? Or is it just random garbage in a partition
table that FreeBSD doesn't understand?
Enquiring minds want to know. I'd really like to get access to this
disk. Worst case, I can use hfsutils' xhfs to copy everything out.
But that's not really what I'd like to do. It'd be nice to have the
real thing, right?
--plambert
--
I hate bombs, terrorism, fear, plans, future and past injustices, manifestos,
popular sentiment, ignition, timetables, meetings, and poorly adjusted
weasels. A warm hello to my friends and fans in domestic surveillance!
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