From: Athanasios Douitsis (aduitsis@noc.ntua.gr)
Date: Fri Jun 06 2003 - 12:27:42 EDT
Hello everyone,
I have an Ultra5 with 2 identical IDE disks which
act as submirrors in a RAID-1 configuration. As I
was running some emergency drills, I noticed that
if I physicaly remove the second submirror the first
submirror boots ok (into single user mode though, but
that's expected) . But if I remove the first submirror,
the second submirror refuses to boot and gives a kernel
panic! I tried to google around and I found a couple of
questions in sunmanagers, but I could not find any summary.
So if anyone knows what gives, I will be happy to summarize.
(You can see that it can find the / partition and the kernel,
but something goes wrong afterwards. )
I tried to boot -a and change /pseudo/md@0:0,0,blk into something
like /pci@1f,0/pci@1,1/ide@3/disk@2,0 but to no avail.
I suppose I could boot a cd into sigle user mode and mess around
with the vfstab, but that would be besides the point as the
right solution is to have a mirror disk that is ready to boot
*anytime*
thanks in advance,
Thanassis
ok boot disk2
Boot device: /pci@1f,0/pci@1,1/ide@3/disk@2,0 File and args:
SunOS Release 5.9 Version Generic_112233-06 64-bit
Copyright 1983-2002 Sun Microsystems, Inc. All rights reserved.
Use is subject to license terms.
WARNING: ata_controller - Set features failed
WARNING: pcipsy0-xintr: ino 20 is invalid
WARNING: pcipsy0-xintr: ino 20 is invalid
Cannot mount root on /pseudo/md@0:0,0,blk fstype ufs
panic[cpu0]/thread=140a000: vfs_mountroot: cannot mount root
0000000001409970 genunix:vfs_mountroot+70 (0, 0, 0, 200, 1456c10, 0)
%l0-3: 000000000144a800 000000000144a800 0000000000002000 000000000148b808
%l4-7: 0000000001489000 0000000001411bd8 000000000144b000 000000000144e000
0000000001409a20 genunix:main+98 (1409ba0, f00671f4, 1409ec0, 3449e9, 2000, 500)
%l0-3: 0000000000000001 0000000000000000 0000000001412c70 0000000078002000
%l4-7: 000000000140a000 0000000000346000 0000000001490ec8 0000000001062ae0
skipping system dump - no dump device configured
rebooting...
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