Re: uniplus disks imaged

From: Andrew Warkentin <andreww_at_email.domain.hidden>
Date: Sun, 23 Mar 2008 04:24:18 -0600

gilles wrote:

>So maybe early versions of Sunos can read the disk. I've read that
>Unix system 5 filesystem
>is supported until solaris 8. Maybe solaris tools may help to read and
>restore the disk.
>Unfortunatly I do not have a sun worstation.
>From what I've read from headers, the filesystem is system 5, but it
>may have some customization.
I doubt it. SunOS is BSD-based and has nothing to do with Unisoft Unix. The early Sun-1 systems ran a variant of Unisoft Unix based on V7 which was completely different from SunOS as far as I know. It is unlikely that Sun-1 Unisoft Unix would be able to read the disks, since it was based on Version 7, whereas UniPlus is based on System V Release 1 (at least I think that it is Release 1). The System V and Version 7 filesystems have the same general structure, but as far as I know, they are somewhat incompatible.

I actually tried mounting the disk with Linux's System V filesystem driver, but it didn't work. Maybe A/UX could mount the disk? It is also a derivative of Unisoft Unix. I should really drag out my A/UX box and see if it can understand the UniPlus filesystem.

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