From: Heinz Mauelshagen <mauelshagen@redhat.com>
To: LVM general discussion and development <linux-lvm@redhat.com>
Subject: Re: [linux-lvm] Correct way to add disc to LVM
Date: Fri, 21 Oct 2005 17:19:21 +0200 [thread overview]
Message-ID: <20051021151921.GC3517@redhat.com> (raw)
In-Reply-To: <80d985600510210514h29edd384n65d4d14dc0492399@mail.gmail.com>
On Fri, Oct 21, 2005 at 09:14:44PM +0900, Craig Hagerman wrote:
> Hi all,
>
> I want to make sure I understand the correct way to add more disc
> space under LVM. If you have LVM set up on one single HD, and then
> want to extend that to cover a second HD what is the correct way to
> proceed?
>
> >From reading the HOWTO I think this is how it is done. Am I missing
> anything essential here?
Run pvcreate on your new drive before vgextend.
>
> ---------------------------------------------------------------------
> Add physical volumes to a volume group:
> ---------------------------------------------------------------------
> Use 'vgextend' to add an initialized physical volume to an existing
> volume group.
> # vgextend my_volume_group /dev/hdc1
> ^^^^^^^^^ new physical volume
>
> ---------------------------------------------------------------------
> Extend logical volume:
> ---------------------------------------------------------------------
>
> # lvextend -L12G /dev/myvg/homevol
>
> will extend /dev/myvg/homevol to 12 Gigabytes.
>
> -----------------------------------------------------------------------------------------------------------
> Increase size of file system to match the logical volume (assuming ext2 / 3):
> -----------------------------------------------------------------------------------------------------------
> # umount /dev/myvg/homevol/dev/myvg/homevol
> # resize2fs /dev/myvg/homevol
> # mount /dev/myvg/homevol /home
>
>
> Is this correct? Is this all you have to do?
>
> Craig
>
> _______________________________________________
> linux-lvm mailing list
> linux-lvm@redhat.com
> https://www.redhat.com/mailman/listinfo/linux-lvm
> read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/
--
Regards,
Heinz -- The LVM Guy --
*** Software bugs are stupid.
Nevertheless it needs not so stupid people to solve them ***
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Heinz Mauelshagen Red Hat GmbH
Consulting Development Engineer Am Sonnenhang 11
Cluster and Storage Development 56242 Marienrachdorf
Germany
Mauelshagen@RedHat.com +49 2626 141200
FAX 924446
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
prev parent reply other threads:[~2005-10-21 15:19 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-10-21 12:14 [linux-lvm] Correct way to add disc to LVM Craig Hagerman
2005-10-21 12:37 ` Patrick Caulfield
2005-10-21 15:19 ` Heinz Mauelshagen [this message]
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