remove mirrored 1st disk, recreate /devices directory?

From: ert weerr (sun1sol@yahoo.com)
Date: Thu Oct 07 2004 - 22:58:08 EDT

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Dear All,

I had to remove the first, mirrored IDE drive from an
Ultra10/Solaris 6.
The problem is that I can't boot up the box since then
because I just get these error messages:

   hostname: sunserver
   /dev/dsk/c0t0d0s0: No such device or address
   The / file system (/dev/rdsk/c0t0d0s0) is being
checked.
   Can't open /dev/rdsk/c0t0d0s0
   dev/rdsk/c0t0d0s0: CAN'T CHECK FILE SYSTEM.
   dev/rdsk/c0t0d0s0: UNEXPECTED INCONSISTENCY; RUN
fsck MANUALLY.

   WARNING - Unable to repair the / filesystem. Run
.....

dropping me in system maintenance mode.
running fsck manually gives me

   Can't open /dev/rdsk/c0t0d0s0

Back in OpenBoot, probe-ide replies as expected (all
disks found)

booting from cdrom and mounting the disk0 workes and
running fsck returns ok.

If I connect the old, faulty disk again than I get
these errors:

Could not unlink /dev/rdsk/c0xxxxxxxx
       because: Read-only file system
....

Configuring the /dev directory (compatibility devices)
ln: cannot create /dev/fb: Read-only file system
setmnt: Cannot open /etc/mnttab for writing

INIT: Cannot create /var/adm/utmp or /var/adm/utmpx

INIT: failed write of utmpx entry: " "

INIT: failed write of utmpx entry: " "

INIT: SINGLE USER MODE

And I can't edit any file because it just mounts
the / partition in read-only mode.
If I try to boot from a CD than vi core dumps when
I try to open the vfstab file...

I've found a similar problem in the archive
http://www.netsys.com/sunmgr/1995-11/msg00083.html

but none of the boot -r, nor the boot -a helped...

If I rename the path_to_inst file than it's
complaining
that it couldn't find the file or can't open it.

Thanks in advance!

Regards,

John

                
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