Mirrordisk/UX cannot boot from root mirror.

[Warren griggs]

Hi All,

I have setup mirrodisk/ux on one of our workstations running HPUX 11.00. Here is what I did...

/usr/sbin/pvcreate -f -B /dev/rdsk/c3t6d0
/usr/sbin/vgextend /dev/vg00 /dev/dsk/c3t6d0
/usr/sbin/mkboot /dev/rdsk/c3t6d0
/usr/sbin/mkboot -a "hpux -lq" /dev/rdsk/c3t6d0
/usr/sbin/mkboot -a "hpux -lq" /dev/rdsk/c3t5d0
/usr/sbin/lvextend -m 1 /dev/vg00/lvol2 /dev/dsk/c3t6d0
/usr/sbin/lvextend -m 1 /dev/vg00/lvol1 /dev/dsk/c3t6d0
/usr/sbin/lvextend -m 1 /dev/vg00/lvol3 /dev/dsk/c3t6d0
/usr/sbin/lvextend -m 1 /dev/vg00/lvol4 /dev/dsk/c3t6d0
/usr/sbin/lvextend -m 1 /dev/vg00/lvol5 /dev/dsk/c3t6d0
/usr/sbin/lvextend -m 1 /dev/vg00/lvol6 /dev/dsk/c3t6d0
/usr/sbin/lvextend -m 1 /dev/vg00/lvol7 /dev/dsk/c3t6d0
/usr/sbin/lvextend -m 1 /dev/vg00/lvol8 /dev/dsk/c3t6d0
/usr/sbin/lvlnboot -R /dev/vg00
/usr/sbin/shutdown -ry 0
BOOT_ADMIN> boot pri isl
ISL> hpux -lm
vgchange -a y vg00
lvchange -M n -c n /dev/vg00/lvol2
lvlnboot -R /dev/vg00
reboot

Now when I try to boot from the alternate disk I get an error saying...

exec failed: cannot find /stand/vmunix or /vmunix

The workstation was built with Ignite and the mirrordisk software was added through this from a depot on the ignite server. As the software requires a codeword when installing normally could this be the problem?

Should I re-install MirrorDisk/UX?

Thanks in advance,
Colin.

[Fabio Ettore]

Hi Colin,

I suggest you to check the alternate boot disk information.
Boot normally the system from the primary boot disk and then launch:

# setboot
# lvlnboot -v

Please reports output of commands above because they must be aligned.

Also: how to boot form the alternate boot disk?

In BCH prompt insert
sea
and then
boot

or just

boot alt

or what?

Best regards,
Fabio

[Warren griggs]

Fabio,

Output as follows..

/ > setboot
Primary bootpath : 10/0/15/1.5.0
Alternate bootpath : 10/0/15/1.6.0

/ > lvlnboot -v
Boot Definitions for Volume Group /dev/vg00:
Physical Volumes belonging in Root Volume Group:
/dev/dsk/c3t5d0 (10/0/15/1.5.0) -- Boot Disk
/dev/dsk/c3t6d0 (10/0/15/1.6.0) -- Boot Disk
Boot: lvol1 on: /dev/dsk/c3t5d0
/dev/dsk/c3t6d0
Root: lvol3 on: /dev/dsk/c3t5d0
/dev/dsk/c3t6d0
Swap: lvol2 on: /dev/dsk/c3t5d0
/dev/dsk/c3t6d0
Dump: lvol2 on: /dev/dsk/c3t5d0, 0

I set the path for the alternate disk on the boot prom.

Regards,
Colin.

[Fabio Ettore · Accepted solution]

Ok Colin,

then I think that the reason of your problem could be the following:

/usr/sbin/lvextend -m 1 /dev/vg00/lvol2 /dev/dsk/c3t6d0

You did the mirror for the first on swap logical volume (/dev/vg00/lvol2) and then on /stand logical volume (/dev/vg00/lvol1).

Then you should unmirror all logical volume and then mirror as the first the /stand logical volume:

# lvreduce -m 0 /dev/vg00/lvolX
and other ones....

# lvextend -m 1 /dev/vg00/lvol1 /dev/dsk/c3t6d0
and other ones....

Then

# lvlnboot -r /dev/vg00/lvol3 /dev/vg00
# lvlnboot -b /dev/vg00/lvol1 /dev/vg00
# lvlnboot -s /dev/vg00/lvol2 /dev/vg00
# lvlnboot -d /dev/vg00/lvol2 /dev/vg00

Also set the autosearch and autoboot options:

# setboot -s on -b on

HTH.

Best regards,
Fabio

[John Palmer]

Hi Colin,

I suspect your problem was caused by mirroring lvol2 before lvol1.

If I remember correctly, the boot logical volume MUST be the first one on the disk.

Try removing all your mirrors from c3t6d0 with lvreduce -m 0, run your lvextends again making sure lvol1 is done first then reboot.

[Warren griggs]

Thanks Guys,

I will try this when I get some downtime and give out the points then.

Thanks again,
Colin.

[Victor Fridyev]

Hi,

It seems to me, the problem is in the commands:
/usr/sbin/mkboot -a "hpux -lq" /dev/rdsk/c3t6d0
/usr/sbin/mkboot -a "hpux -lq" /dev/rdsk/c3t5d0

According to what I remember, it should look like this:
mkboot -a "hpux -lq (;0)/stand/vmunix" /dev/rdsk/c3t6d0

BTW, you can use the attached script, just cancel mirroring and make vgreduce. The script builds mirroring for vg00.
HTH

[wayne_89]

The commands should be
/usr/sbin/mkboot -a "hpux -lq" /dev/dsk/c3t6d0
/usr/sbin/mkboot -a "hpux -lq" /dev/dsk/c3t5d0

[Suraj Singh_1]

The problem for sure is because of mirroring lvol2 before lvol1.

Warren waiting for your response on this.

Regards