Adding new disk to existing LV

[monstad]

Hi there,

first off -

Ive recently inherited the responsibility of a Dell 2850 running Centos 4.3. It has a Powervault 220S attatched. I want to fill the final few bays of the powervault with some new drives but Im afraid my Linux-fu isnt up to scratch.

The powervault is presented as a logical volume. If I add a new (and unformatted) disk to the powervault itself, how - or where - do I get at it to pvcreate/lvextend?? (if this is indeed the right thing to do...)

Ive read through a few webpages but not found anything particular to my problem.

Any advice or pointers would be greatly appreciated

Thanks,
Kris

[bhaslinux]

1. LVMHOWTO
2. you cannot add disks to lvs
the proper procedure is
Create a PV in the new harddisk added,
then, you do a vgextend to increase the vg to span the new PV
then you can use lvextend to increase the size of the partition.

[monstad]

Thanks for the reply bhaslinux.

However, before I get to the partitioning/LVM stage i have a problem - the new scsi disk is not appearing in /dev...the only scsi disks showing up are the ones already in my volume group - 'pvscan' is displaying them all already there.

How (or where) do I access the new disks?

-kris