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тАО06-07-2011 10:08 PM
тАО06-07-2011 10:08 PM
While trying to boot from the alternate mirrored disk I got the following failure:
"Starting: HP-UX Alternate Boot: 0/1/1/0.0x1.0x0
(C) Copyright 1999-2008 Hewlett-Packard Development Company, L.P.
All rights reserved
HP-UX Boot Loader for IPF -- Revision 2.037
Press Any Key to interrupt Autoboot
\EFI\HPUX\AUTO ==> boot vmunix
Seconds left till autoboot - 0
AUTOBOOTING...Could not open file vmunix to check for a directory
Could not open vmunix
loading failed"
However if try the following the server boot normally:
"HPUX> hpux -lq"
1- How can I make the server boot successfully from the alternate as it does for the primary?
2- Any help to understand why "hpux -lq" solve the alternate boot issue?
Any document that you may find useful are welcome.
Thank you.
Solved! Go to Solution.
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тАО06-07-2011 10:15 PM
тАО06-07-2011 10:15 PM
Solutionthe -lq option to boot (LVM-quorum) simply means, that more than 50% of the disks needs to be present, in order for the system to boot. So when you get into situation, when your 1 disk fails, your other alternate boot disk just won't boot automatically without the "-lq" option.
You can update the AUTO file (/efi/hpux/auto) to contain the "-lq" string:
Use the 'efi_cp' to copy the desired file to a file in /tmp, edit the temporary file with 'vi', and return it back to the EFI system partition with 'efi_cp':
#efi_cp -d /dev/rdisk/diskX_p1 -u /efi/hpux/auto /tmp auto
#vi /tmp/auto (the line should contain "boot vmunix -lq")
#efi_cp -d /dev/rdisk/diskX_p1 /tmp/auto /efi/hpux/auto
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тАО06-07-2011 10:18 PM
тАО06-07-2011 10:18 PM
Re: 11iv3 Boot from alternate disk
mkboot -a ├в boot vmunix -lq├в /dev/rdisk/diskX_p1
Set this flag to both of your boot disks....
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тАО06-07-2011 10:19 PM
тАО06-07-2011 10:19 PM
Re: 11iv3 Boot from alternate disk
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тАО06-07-2011 10:35 PM
тАО06-07-2011 10:35 PM
Re: 11iv3 Boot from alternate disk
The disk is likely not properly mirrored, because the system cannot find the kernel.
Boot up again and check the mirror (lvdisplay -v ...; lvlnboot -v).
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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тАО06-07-2011 11:24 PM
тАО06-07-2011 11:24 PM
Re: 11iv3 Boot from alternate disk
efi_cp -d /dev/rdisk/diskX_p1 /tmp/auto /efi/hpux/auto
After checking my old documentation I figure out that the command that I have previously executed was:
efi_cp ├в d /dev/rdsk/c2t1d0s1 /tmp/auto /efi/hpux/auto
This may give an answer.
Thank you.
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тАО06-07-2011 11:29 PM
тАО06-07-2011 11:29 PM
Re: 11iv3 Boot from alternate disk
Just to confirm, if I did get you well:
HPUX needs to boot normally MORE THAN 50% of the disks.
In our case 1 disk has failed, so 50% of the disks are down, in this case -lq option is needed to boot normally.
Thank you.
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тАО06-07-2011 11:52 PM
тАО06-07-2011 11:52 PM
Re: 11iv3 Boot from alternate disk
there is no kernel!
follow my advise!
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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тАО06-08-2011 12:56 AM
тАО06-08-2011 12:56 AM
Re: 11iv3 Boot from alternate disk
>
HPUX needs to boot normally MORE THAN 50% of the disks.
In our case 1 disk has failed, so 50% of the disks are down, in this case -lq option is needed to boot normally.
-lq is to override the LVM-quorum, which means, that in order for the system to boot, it needs to have in vg00 more than 50% of the disks. So in your case, as you have lost one disk of 2, that's exactly 50% of disks available and system would not boot without the -lq flag.
But as Torsten is saying, you should make sure the failed disk gets replaced as soon as possible and get it mirrored.
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тАО06-08-2011 01:04 AM
тАО06-08-2011 01:04 AM
Re: 11iv3 Boot from alternate disk
However when booting from the alternate disk I receive messages on the console showing:
vgsync: Couldn't resynchronize volume group "/dev/vg00"
I did:
#vgchange -a y /dev/vg00
Volume group "/dev/vg00" is already active in requested mode
Is this critical, any lead or idea to solve this?
Thank you.