On Thu, May 20, 2021 at 1:56 PM Antonio Carlini via cctalk < cctalk@classiccmp.org> wrote:
> I'm running Linux Mint (an ubuntu derivative) and I want to mount ULTRIX > CDROM discs to see what I can see. > > (I'm eventually going to image these, but I presume that will "just > work" with dd or ddrescue). > > They are supposed to be UFS format (according to the net) and that > usually means you have to tell mount exactly which option to use (as not > all UFS implementations are compatible). > > > I've tried (all the options I can find) and failed: > > > $ sudo mount -t ufs -o ufstype=44bsd /dev/sr1 /tmp/mount > 44bsd is likely too new. ufstype=old or =sunos or =sun might work. Warner > mount: /tmp/mount: wrong fs type, bad option, bad superblock on > /dev/sr1, missing codepage or helper program, or other error. > > > The CDROM would appear to be readable 9and I've tried a few anyway): > > $ sudo file -s /dev/sr1 > /dev/sr1: Unix Fast File system [v1] (little-endian), last mounted on > /UPS_MOUNT_TAR_SOURCE, last written at Wed Sep 28 16:27:45 1994, clean > flag 30, number of blocks 243648, number of data blocks 233295, number > of cylinder groups 38, block size 8192, fragment size 1024, minimum > percentage of free blocks 10, rotational delay 0ms, disk rotational > speed 60rps, TIME optimization > > > A later Digital Unix CDROM behaves the same way with mount and reports > this with file: > > $ sudo file -s /dev/sr1 > /dev/sr1: Unix Fast File system [v1] (little-endian), last mounted on > /kits/tmp/gendisk17665/mnt, last written at Wed Nov 20 13:38:02 1996, > clean flag 3, number of blocks 151168, number of data blocks 150383, > number of cylinder groups 24, block size 8192, fragment size 1024, > minimum percentage of free blocks 0, rotational delay 0ms, disk > rotational speed 60rps, SPACE optimization > > > I also have a few OSF/1 CDROMs, which I assume are also the same format. > > > Any ideas? I can't be the first person to try to do this ... > > > Antonio > > > > -- > Antonio Carlini > anto...@acarlini.com > >