SUMMARY: Mounting Solaris file systems under SunOS

From: Jim Faust (jfaust@3dfx.com)
Date: Thu Feb 11 1999 - 15:05:35 CST


Original Post:

>Hi All,
>
>I've got a Sparc 20 that is configured for dual boot. One disk is loaded
>with Solaris 2.6 And the other with SunOS 4.1.4. I manipulate the boot
>through the eeprom.
>
>I've got a problem on my Solaris drive and can not boot, so I figured I'd
>boot into SunOS and just mount the partitions of interest to make assorted
>changes, but when I attempt to mount the Solaris partitions, I get the
>following error:
>
>mount /dev/sd2a /mnt
>mount: /dev/sd2a on /mnt: I/O error
>mount: giving up on:
> /mnt
>
>I even tried the -d option to see if the problem was related to a system V
>RFS mounts.
>
>Any ideas would be greatly appreciated.
>
>Jim

The consensus is that I'm SOL.

>IMHO you're FUBARed. Solaris did away with the 2GB file size
>limit, which needs a larger "size of file" field in the directory
>entries than in SunOS - as well as in the kernel-internal
>structures relating to file access. In other words, a SunOS
>kernel and a Solaris filesystem are incompatible in a pretty
>fundamental way.
>
>There's no problem NFS mounting Solaris filesystems onto SunOS
>boxes, unless a file actually exceeds the 2GB limit, if this is
>of any help.
>
>Regards,
> J. Bern

I've discovered that I can successfully mount SunOS 4.2 partitions
under Solaris, but like the above points out, not the reverse. I
Have solved my intial problem, just not with this method.

Thanks to all:

Jochen Bern
Mike (mrs@cadem.mc.xerox.com)
David Harrington
Navi Sirisena
Stefan Voss
Mark Ashley
Phil Scarr
Brooke King
Harvey Johnson
ganeshan
Bismark Espinoza
Michael Hocke
Aki Sasaki

Jim Faust
3Dfx Interactive
12357 Riata Trace Pkwy
Suite 140
Austin, TX 78727
(512) 336-6031



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