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Full Discussion: Mouning a Jaz drive on a DEC Alpha? (with a little Solaris thrown in)
Top Forums UNIX for Dummies Questions & Answers Mouning a Jaz drive on a DEC Alpha? (with a little Solaris thrown in) Post 302081434 by Bartok on Tuesday 25th of July 2006 08:50:33 AM
Old 07-25-2006
Mounting a Jaz drive on a DEC Alpha? (with a little Solaris thrown in)
Hi, I'm a programmer with a bit of Linux experience who's found himself thrust into the world of out of date Unix versions and hardware. I could really use some help so I can get back to doing something productive with my work days!

I have been tasked with getting some information off some Jaz 1GB zip disks that were written to from a DEC Alpha station running Digital Unix (OSF/1 3.2) back in the late 90's.

I finally figured out how to reset the root password so I could log in. (And a remarkable number of ways not to do it but work for other people's computers.) Unfortunately I couldn't find the files that had been backed up with the Jaz drive (SCSI 50 pin). So that leaves me with trying to get the drive mounted.

The drive is older than the ones on the Iomega website, and the references to information on there from old newsgroups don't turn up anything useful in searches. The disks come preformatted for DOS. I am unsure how the disks are now formatted. I have attached the cable to the terminating port of the drive since SCSI chains need to be terminated on both ends AFAIK.

When I boot from the consol (which is the mode it starts in when I turn it on), it detects the Jaz drive at the same time as it lists the hard drive and CDROM.

The DEC Alpha does have a copy of mtools on it, which theoretically allows for working with DOS file systems. However I was unable to find anything in /etc/fstab to indicate that anything had been mounted that wasn't normal. A post on a newsgroup by the person who did the backing up years ago indicated that he had entered some information in here, but I couldn't find it, and adding it didn't help.

When I try to mount the drive I use:
mount /dev/rz2c /mnt

Which returns after a brief pause:
I/O Error

Also at my disposal is a Sun Solaris machine which some genius left the C compiler off of. Hopefully that can be rectified. I tried to mount the drive on that machine using the instructions from the Iomega site. However when I hit the stage where it suggests using the format command (where I have a spare blank disk in the drive so I don't risk losing anything), the Jaz drive isn't listed, only the hard drive.

https://iomega-na-en.custhelp.com/cg...cGFnZT00&p_li=

http://groups.google.ca/group/comp.s...f1b0d8c44f4c61

I have downloaded the code for a program for reading Jaz drives with a Solaris machine, however due to the current lack of a compiler and the inability to detect the drive at all, I've not persued it.

http://fy.chalmers.se/~appro/ziptool.html

So, I'm feeling pretty darn stuck... Can anyone point out the hopefully simple mistake I am making?

Bartok
Last edited by Bartok; 07-25-2006 at 11:30 AM..
 

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LEARN ABOUT DEBIAN

imm

VPO(4)							   BSD Kernel Interfaces Manual 						    VPO(4)

NAME

     vpo -- parallel to SCSI interface driver

SYNOPSIS

     device vpo

     For one or more SCSI busses:
     device scbus

DESCRIPTION

     The vpo driver provide access to parallel port Iomega Zip and Jaz drives.

HARDWARE

     The vpo driver supports the following parallel to SCSI interfaces:

     o	 Adaptec AIC-7110 Parallel to SCSI interface (built-in to Iomega ZIP drives)
     o	 Iomega Jaz Traveller interface
     o	 Iomega MatchMaker SCSI interface (built-in to Iomega ZIP+ drives)

USAGE

     The driver should let you use a printer connected to the drive while transferring data.

     DOS and FreeBSD file systems are supported.  When mounting a DOS file system or formating a FreeBSD file system, check the slice of the disk
     with the fdisk(8) utility.

     In order to unixify a ZIP disk, put the following in /etc/disktab:

     zip|zip 100:
	     :ty=removable:se#512:nc#96:nt#64:ns#32:
	     :pa#196608:oa#0:ba#4096:fa#512:
	     :pb#196608:ob#0:bb#4096:fb#512:
	     :pc#196608:oc#0:bc#4096:fc#512:

     and use bsdlabel(8).

     If you have trouble with your driver, your parallel chipset may not run properly at the detected mode (NIBBLE, PS2 or EPP).  Tune the ppc(4)
     bootflags to force other modes.

SEE ALSO

     da(4), lpt(4), ppbus(4), ppc(4), scsi(4)

HISTORY

     The vpo manual page first appeared in FreeBSD 3.0.

AUTHORS

     This manual page was written by Nicolas Souchu.

BUGS

     During boot, the driver first tries to detect a classic ZIP, then a ZIP+.	The ZIP+ detection is intrusive and may send erroneous characters
     to your printer if the drive is not connected to your parallel port.

BSD
								 December 14, 2004							       BSD
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