[linux-lvm] LVM & Raid

Heinz Mauelshagen mauelsha at ez-darmstadt.telekom.de
Tue Oct 12 20:15:29 UTC 1999


Hi Lars.

> 
>  I'm having trouble setting up lvm on a raid5 array ( /dev/md0 ),
>  my trouble is that pvscan doesn't find it, ( how in the heck
>  do I label a raid partitium so that pvscan vill recognize and vgcreate
>  will think of it a partitiun ?? )


You don't have to 'label' it.
Just say "pvcreate /dev/md0" and "vgcreate Idontknow /dev/md0".

pv_read_all_pv() should find your /dev/md0 after you did that pvcreate on it.


But...

Because pv_read_all_pv() relies on the /dev setup, you might suffer
from some unusual /dev/md* entries.

Please check them and run "pvscan -d" looking for /dev/md* hits.
Look what pvscan thinks of them please.

> 
>  I have been running lvm with raw disks, but now I seem a bit stuck.
> 
>  By the way it's an alpha and v0.7. 2.2.12
> 

Regards,
Heinz

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Systemmanagement CS-TS                           T-Nova
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Heinz Mauelshagen                                Otto-Roehm-Strasse 71c
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