[linux-lvm] lvm with raid

[James]

Apparantly I need the latest beta, I will give a go and let you know

On Wed, 7 Feb 2001, Jean-Eric Cuendet wrote:

> 
> > I created /dev/md0 (raid autodetect)
> > Did a pvcreate /dev/md0
> > lvcreate'd partitions /usr /home /var
> 
> I think it's because of NO "LVM linux" partition ID.
> Your md0 partition is "RAID Auto detect" and that's normal.
> I'm not a guru of LVM, so I have no idea of what to do, but anyone out
> there?
> I'm interested too in this thing.
> It works for me to have RAID partitions in LVM because I have a mix of hda1
> + hda2 + md0 + md1, so vgscan and vgchange works because of the "Linux LVM"
> IDs on hda1 and hda2
> Thanks for the GURU response.
> 
> -jec
> 
> 
> > 
> > copied and remounted everything.
> > This all goes surprisingly well, until I decided to test with 
> > a reboot.
> > 
> > vgscan and vgchange don't find a thing !
> > 
> > test:/home/james# vgscan 
> > vgscan -- reading all physical volumes (this may take a while...)
> > vgscan -- no volume groups found
> > 
> > test:/home/james# vgchange -a y
> > vgchange -- no volume groups found
> > 
> > but if I try to recreate a PV 
> > 
> > test:/home/james# pvcreate /dev/md0
> > pvcreate -- ERROR: can't initialize physical volume 
> > "/dev/md0" of volume
> > group "devlvm" without -ff
> >  
> > Everything is still there apparantly.
> > 
> > I must be missing something fundamental. Thanks fot any help 
> > in advance.
> > 
> > James
> > 
> > 
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> > 
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