[linux-lvm] question about lvm

[Heinz Mauelshagen]

> 
> i'm not really certain if this is the appropriate place to air a 
> question about lvm problems, but since i couldn't find any other 
> documented support - i figured i'd just go to the source.
> 
> i'm fairly new at using lvm (yesterday) so this is probably just a 
> newbie question... anyway, i installed lvm, rebuilt my kernel (with lvm
> in the kernel), compiled the utilities, the whole thing. i then 
> proceeded to drop 2 pv's into a volume group (vda) and allocate one 
> logical volume (lvol1) consisting of all my disk space. and it worked 
> (at which point i was ecstatic). so i built an ext2fs on the lv and 
> mounted it, and again it worked fine. i then put a line in my fstab to 
> mount it on boot, and rebooted.
> 
> when the machine came back up, the drive was not mounted. when i tried 
> mounting it by hand, i kept getting a "/dev/vda/lvol1 is not a valid 
> block driver" error. using some of the lvm utils, i uncovered the fact 
> that the entire volume group was "inactive".

you have to insert a "vgscan" and a "vgchange -ay" into your 
startup files (see step 9 in file INSTALL in the LVM source top directory)

> 
> i'm not entirely certain what went wrong or where, but i couldn't find 
> any documentation about this particular problem. does anybody have any 
> idea where i might have gone wrong?
> 

Regards,
Heinz

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Systemmanagement CS-TS                           T-Nova
                                                 Entwicklungszentrum Darmstadt
Heinz Mauelshagen                                Otto-Roehm-Strasse 71c
Senior Systems Engineer                          Postfach 10 05 41
                                                 64205 Darmstadt
mge at ez-darmstadt.telekom.de                      Germany
                                                 +49 6151 886-425
                                                          FAX-386
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