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тАО07-25-2008 12:57 PM
тАО07-25-2008 12:57 PM
mkboot mirroring question
I recently went through a receipe for mirroring vg00 on our new itanium server running ux 11.23. This is the host server of a VM configuration that includes 3 guests. All three VM guests on this server boot from SAN attached EVA LUNs, thus no mirroring really required, but the HOST server OS runs on scsi disks inside the enclosure itself. In one of the early steps (5) it called out running:
>mkboot -a "boot vmunix -lq" /dev/rdsk/c2t?d?
>mkboot -a "boot vmunix -lq" /dev/rdsk/c1t?d?
I didn't do that but I performed all other steps after that to copy Service Partitions and create and extend the new disk into vg00 with the original vg00 disk. Looking at my notes I realize I SHOULD have included these two mkboot commands so my host server would boot automatically even after the loss of one of the drives in this mirrored pair. FYI: I have checked vgdisplay / lvdisplay output and see that we have good mirrors of all LV's on vg00.
rephrase of orignial question: Do I have to vgreduce one of the extra mirrored drives from vg00 then re-perform all the steps of mirroring under itanium again?
OR....
If I just run
> mkboot -a "boot vmunix -lq"
on both of the disks would that be all that's required to make sure both disks will boot without joining a quorum with the other (in the event of single disk failure)?
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тАО07-26-2008 08:43 AM
тАО07-26-2008 08:43 AM
Re: mkboot mirroring question
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тАО07-26-2008 09:37 AM
тАО07-26-2008 09:37 AM
Re: mkboot mirroring question
what does "efi_ls -d /dev/dsk/cxtydz" retursn now from both disks
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тАО07-27-2008 03:54 AM
тАО07-27-2008 03:54 AM
Re: mkboot mirroring question
[/roots] uxvmadm1-ROOT->efi_ls -d /dev/dsk/c15t1d0
efi_ls: invalid efi device
I also tried running it on the raw device "rdsk/c15t1d0" with same results. I'm not well versed on efi_ls knowledge either as you can tell. I'll investigate further but if you have a response soon I'll be looking for it. Thanks so far to you both.
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тАО07-27-2008 09:40 PM
тАО07-27-2008 09:40 PM
Re: mkboot mirroring question
# echo "boot vmunix -lq" > /tmp/AUTO.lq
# efi_cp -d /dev/rdsk/c15t1d0s1 /tmp/AUTO.lq /EFI/HPUX/AUTO
How to check the AUTO file in 11.23?
# efi_cp -d /dev/rdsk/c15t1d0s1 -u /EFI/HPUX/AUTO /tmp/AUTO.pri
# cat /tmp/AUTO.pri
Hope this helps!
Regards
Torsten.
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тАО09-07-2010 09:03 AM
тАО09-07-2010 09:03 AM
Re: mkboot mirroring question
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тАО09-07-2010 09:04 AM
тАО09-07-2010 09:04 AM