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mirror disk

kacou
Regular Advisor

mirror disk

I made a mirror on my disk system. But with the 'lvlnboot -v' command i don't see 'boot disk'in front of the disk /dev/dsk/c3t2d0 (0/1/1/1.2.0). see below. is it correct?
---------------------------

#lvlnboot -v
Boot Definitions for Volume Group /dev/vg00:
Physical Volumes belonging in Root Volume Group:
/dev/dsk/c2t0d0 (0/1/1/0.0.0) -- Boot Disk
/dev/dsk/c3t2d0 (0/1/1/1.2.0)
Boot: lvol1 on: /dev/dsk/c2t0d0
/dev/dsk/c3t2d0
Root: lvol3 on: /dev/dsk/c2t0d0
/dev/dsk/c3t2d0
Swap: lvol2 on: /dev/dsk/c2t0d0
/dev/dsk/c3t2d0
Dump: lvol2 on: /dev/dsk/c2t0d0, 0

11 REPLIES
Vihang.
Trusted Contributor

Re: mirror disk

Hi Kacou,

Have you performed "mkboot" on the mirror disk?



Regards,
Vihang.
kacou
Regular Advisor

Re: mirror disk

yes!
i execute mkboot /dev/rdsk/c3t2d0
Vihang.
Trusted Contributor

Re: mirror disk

Hi Kacou,

Can you send me the list of steps that you followed for mirroring your disk. Maybe you have missed a step or two. Refer to page no. 24 of the attached document for a step by step procedure of mirroring.


Regards,
Vihang.
Vihang.
Trusted Contributor

Re: mirror disk

Sorry forgot the attachment :-D
kacou
Regular Advisor

Re: mirror disk

this is the doc i used. see attachment
Vihang.
Trusted Contributor

Re: mirror disk

Hope you have done pvcreate with -B which is required for creating bootable disk.

# pvcreate -B /dev/dsk/c3t2d0
Vihang.
Trusted Contributor

Re: mirror disk

Its pvcreate -B /dev/rdsk/c3t2d0 (remember the r)
Vihang.
Trusted Contributor

Re: mirror disk

Hi Kacou,

Your procedure seems to be correct. Just verify your logs if you had enabled logging to check if you have missed anything.


Regards,
Vihang.
Torsten.
Acclaimed Contributor

Re: mirror disk

I'm sure you did only

pvcreate /dev...

but it must be

pvcreate -B /dev...

Because of this you don't have a boot area.

I would assume you get some errors while doing the "mkboot" commands.

Better to release the mirror again (caution, keep the correct disk!) and start over.

Hope this helps!
Regards
Torsten.

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kacou
Regular Advisor

Re: mirror disk

i didn't have error when i execute mkboot.
how can i correct this error whithout resuming work.
Torsten.
Acclaimed Contributor

Re: mirror disk

If you don't have a boot area, you can only reduce the mirror and start over with "pvcreate".

Hope this helps!
Regards
Torsten.

__________________________________________________
There are only 10 types of people in the world -
those who understand binary, and those who don't.

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No support by private messages. Please ask the forum!

If you feel this was helpful please click the KUDOS! thumb below!