From: Quinn, Bryan (Bryan.Quinn@CooperTools.com)
Date: Thu Jul 11 2002 - 08:00:49 EDT
Thanks again to everybody, after posting my summary, I received a few more
responses which contained some very useful information. Including a response
from Bill Hassell, and as you know 'when he talks, UNIX admins listen'! I
also got responses from Jim Turner and V.T. Mueller.....Thanks a bunch!!!
Here are their responses.
Bill Hassell:
> Question #1: How can I find the primary and alternate boot
> path of a box
> from the command line?
>
> Answer: setboot command without any options will do the job
> just fine.
Bill: Correct.
> Question #2: Shouldn't my alternate boot path be set to the
> path of the
> mirror of the primary boot disk?
>
> Answer: Yes, but it has to be set manually.
Bill: Not true. Use the command: man setboot
Bill: You can change primary *and* alternate boot paths from the command
line. But wait! There's a lot more. You need to set autoboot *and*
autosearch (use setboot). That way, a broken primary will cause a
search for the other bootable disk and bootup. And the last step
is that the bootstring for the alternate boot disk. Since mirroring
requires at least 50% + 1 (quorum) disks to be working, a simple 2
disk mirror will fail to boot as quorum has failed. So the standard
boot string (hpux) must be changed to hpux -lq on the alternate disk.
Bill
V.T. Mueller:
But the more interesting output comes from 'lvlnboot -v', especially if
you have mirrordisk/ux and need to verify its' setup.
Cheers,
vt
> Thanks to Rob Smith, Bob Trojak, Richard Wright, Harry Pfeffer, Allan
> Marillier, Henry Helfenbein and Andrew Wu and everyone who might respond
> before this summary posts.
>
> Here is the unanimous answer:
>
> Question #1: How can I find the primary and alternate boot path of a box
> from the command line?
>
> Answer: setboot command without any options will do the job just fine.
>
> Question #2: Shouldn't my alternate boot path be set to the path of the
> mirror of the primary boot disk?
>
> Answer: Yes, but it has to be set manually.
>
> Thanks again to everyone, once again the list has sufficiently and
> efficiently helped me out!
> Thanks a million!!!
>
> Bryan Douglas Quinn
> UNIX Support Specialist
> Cooper Power Tools
> Lexington, SC
> (803) 808-6770
> Bryan.Quinn@coopertools.com
>
>
>
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