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тАО10-14-2009 07:17 PM
тАО10-14-2009 07:17 PM
I have a small doubt while creating mirror (vg00) on Itanium servers.
Is it nessessary to put "vmunix -lq" AUTO file entry on both Primary & Secondary disks ?
Solved! Go to Solution.
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тАО10-14-2009 08:17 PM
тАО10-14-2009 08:17 PM
Re: vmunix -lq entry on AUTO file
For primary disk entry should be "vmunix".
For alternate disk entry shold be "vmunix -lq"
This is because if primary disk fails, system can be booted from alternate disk as it will have autofile entry of "vmunix -lq", thus it will not look for quorum and will boot.
Hope this clears things..
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тАО10-14-2009 08:28 PM
тАО10-14-2009 08:28 PM
Re: vmunix -lq entry on AUTO file
If you have 2 mirror root disk to have quorum you need to have minimum 2 disks, if one disk go down your system would boot with one vote (one disk in hand) ie low quorum.
Hope this owuld help.
BR,
Kapil+
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тАО10-14-2009 09:26 PM
тАО10-14-2009 09:26 PM
SolutionFor primary disk entry should be "vmunix".
For alternate disk entry shold be "vmunix -lq"
What if the secondary fails???
By configuring "-lq" you enable the server to start itself, without you need to manually start the server in quorum mode. It depends totally on you.
If you want to be "alerted" by a non starting server, don't configure "-lq" - if you want to enable the server to start itself even with a bad disk, include "-lq".
Hope this helps!
Regards
Torsten.
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тАО10-15-2009 03:06 AM
тАО10-15-2009 03:06 AM
Re: vmunix -lq entry on AUTO file
When I design or build HP-UX servers that use
software RAID-1 for boot disk, I make sure
to set "-lq" flag on both disks.
LVM does not differ primary and secondary disks. They are both equal, so "-lq" matters
on both disks (unless you like to be
called at midnight if one boot disk is lost).
Cheers,
VK2COT