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> Trying To Mount Old Magneto-optical Disks, on an external scsi drive
freerangehuman
post May 27 2004, 03:34 PM
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I posted this at linuxquestions.org and no one could help. Maybe someone here can! My basic problem is I don't know what device to use with the mount command, and I'm also not sure what file system to specify. Here's the details, as I posted over at linuxquestions:
QUOTE
I'm trying to retrieve data from some old magneto-optical disks that were originally recorded (I think - this was before my time here) on a Sun workstation that is no longer with us. I'm working with redhat 6.1, kernel 2.4.18-3smp (that's the output of uname -r). I plugged the external optical disk drive into the scsi port and rebooted, and now when I do cat /proc/scsi/scsi, I see a new entry for the "optical device":
Host: scsi0 Channel: 00 Id: 00 Lun: 00
Vendor: QUANTUM Model: QM39100TD-SW Rev: N1B0
Type: Direct-Access ANSI SCSI revision: 02
Host: scsi0 Channel: 00 Id: 01 Lun: 00
Vendor: Maxoptix Model: T4-2600 Rev: B144
Type: Optical Device ANSI SCSI revision: 02

My problem is with mounting the disks, because I don't know what file system is used on the disks (jfs?), and I *really* don't know which device I'm supposed to specify. I've tried various combinations of:
mount -t autofs /dev/sg* /mnt/opt
mount -t jfs /dev/sda /mnt/opt
etc., and I get either a "/dev/sg0 is not a [valid] block device" or this error:
"mount: wrong fs type, bad option, bad superblock on /dev/sdb,
or too many mounted file systems"

My system currently looks like this:
# cat /etc/mtab
/dev/sda1 / ext2 rw 0 0
proc /proc proc rw 0 0
none /dev/shm tmpfs rw 0 0
none /dev/pts devpts rw,gid=5,mode=620 0 0
/dev/sda3 /home ext2 rw 0 0
/dev/hdb5 /data ext2 rw 0 0

If anyone has a clue, I would really appreciate it! Thanks so much,
Matt
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Hemant
post May 27 2004, 04:06 PM
Post #2


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Posts: 782
Joined: 6-October 02
From: Trichy,INDIA
Member No.: 29



Just a guess buddy..But try out these commands..
CODE
#mkdir /mnt/optic
# mount -t vfat /dev/sda1 /mnt/optic


try out different combinations of /dev/sda1,sda2 etc..or /dev/sdb1,sdb2..etc

But in case if your drive is corrupt...then little help can done in recovering data from it.


--------------------
Hemant Kumar
user posted image
hemant@linuxhelp.net
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