Activation of VG which contain Raw partitions Only

[Kevin Lamb]

Hi,

Not sure if anyine can help, I have a server which does not activate a VG on boot, however once the server is up I can manualy vgchange this without problem.

The server is 10.20, the VG only contains two LVs which are raw partition for an ADABAS database, there are no entries in the fstab for this VG as there is no mount points for these (raw partition).

The VG exists in the lvmtab, could someone please explain where I am going wrong???


Cheers

Kev

[Frederic Sevestre]

Hi,

Check the file /etc/lvmrc.
The AUTO_VG_ACTIVATE should be set to 1 to activate all the vg on boot.

Fr??d??ric

[Kevin Lamb]

Frederic,

I have checked the lvmrc and this is set to 1.

So it is not a problem with that.

Kev

[Rainer von Bongartz]

/etc/lvmrv ist the right place to look at:

locate the function
custom_vg_activation()
and add
/sbin/vgchange -a y -s

Regards
rainer

[Animesh Chakraborty · Accepted solution]

Hi,
While booting check for the error mesg.
check /etc/rc.log file for the reason.

[Rainer von Bongartz]

sorry,

/etc/lvmrc of cource and not /etc/lvmrv

Reagrds
Rainer

[Santosh Nair_1]

Unless you change /etc/lvmrc, the system will activate all the VGs in /etc/lvmtab. Also, you might want to check your startup logs (/etc/rc.log) to see if there are any errors relating to VG activation.

-Santosh

[Kevin Lamb]

All,

Thanx for your efforts, The only error I am getting in the rc.log is during the database startup as it cannot find the raw partitions.

If I place the VG in the custom_vg_activation area of the lvmrc file, what are the risks if the VG mounts automaticaly due to the AUTO_VG_ACTIVATION parameter being set to 1 (not sure if this VG has ever auto activated).

Kev

[Rainer von Bongartz]

Kevin

I always have AUTO_VG_ACTIVATE=0
and control activation of my VG's
by putting it in custom_vg-activation()

This way I never have problems with the activation and I can control what will be activated,

Regards
Rainer