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07-30-2006 04:50 PM
07-30-2006 04:50 PM
/dev/mapper/vg01 not appearing
Currently I have a volume group vg01.
The /dev/mapper/vg01 is not appearing.
It only appears manually after a vgscan n vgchange -a y vg01.
Is there anyway i can force it to appear AUTOMATICALLY during a server reboot?
Cliff
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07-30-2006 07:31 PM
07-30-2006 07:31 PM
Re: /dev/mapper/vg01 not appearing
Normally "vgscan" is executed in a very early phase of a server reboot. If some disk controller does not yet have its driver loaded at that point, the volume group(s) on that controller won't appear automatically.
One way to avoid this is to customize the reboot sequence so that vgscan is run a second time after all the necessary storage drivers are loaded.
The other way is to ensure that the storage drivers get loaded early enough, so that the standard vgscan can handle them. This may require including the drivers in the initrd image, if your distribution uses one to boot.
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07-30-2006 10:27 PM
07-30-2006 10:27 PM
Re: /dev/mapper/vg01 not appearing
The /boot paritition can not be in LVM, but since your system boots that is not the issue.
vg01 is not set to autoactivate.
Check /etc/lvm/lvm.conf
Also /etc/grub.conf
SEP
Owner of ISN Corporation
http://isnamerica.com
http://hpuxconsulting.com
Sponsor: http://hpux.ws
Twitter: http://twitter.com/hpuxlinux
Founder http://newdatacloud.com
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07-30-2006 10:52 PM
07-30-2006 10:52 PM
Re: /dev/mapper/vg01 not appearing
Check /etc/lvm/lvm.conf
Also /etc/grub.conf
Which parameters? Can u advise?
Cliff
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07-30-2006 10:55 PM
07-30-2006 10:55 PM
Re: /dev/mapper/vg01 not appearing
vg01 sits on EVA storage.
Cliff