[linux-lvm] LVM backup server
George Campbell
george.campbell at bustech.com
Wed Dec 3 11:12:02 UTC 2003
I appreciate your reply. But, I'm confused. How can I do a mount /dev/lvg1/lvol1 /mnt/dvol1 command, when the logical volume group and logical volume have not been created on this server? Does the vgscan/vgchange ay build these entries in /dev?
-----Original Message-----
From: linux-lvm-admin at sistina.com [mailto:linux-lvm-admin at sistina.com]On Behalf Of Patrick Caulfield
Sent: Wednesday, December 03, 2003 9:20 AM
To: linux-lvm at sistina.com
Subject: Re: [linux-lvm] LVM backup server
On Wed, Dec 03, 2003 at 08:36:44AM -0500, George Campbell wrote:
> Link: File-List
>
> I followed the LVM HOW-TO to install and configure LVM on a Linux server.
> I defined a single volume group, a single logical volume, and about 14
> separate physical extents on a SAN. It works fine.
>
> My question is, what steps need to be done beyond the initial rpm install
> and activation to configure LVM on a second server that will only be used
> for backup if the first server goes down. I don't want to do anything that
> would wipe out any data on the logical volume, but I want the volume group
> and logical volume to be defined exactly as the original server has them
> defined.
>
> It seems I should NOT do any pvcreates. Can I just do the vgcreate,
> followed by the lvcreate, skip doing the mk2fs, and do the mount of the
> logical volume?
You don't need to do anything apart from vgscan/vgchange -ay when you need to
use the volumes, the mount them.
Don't redo vgcreate/lvcreate as that will mangle the metadata for the other
node.
--
patrick
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