[linux-lvm] Right way to resize LVM Volume on SAN?

Heinz Mauelshagen mauelshagen at redhat.com
Thu Jun 8 09:42:46 UTC 2006


On Thu, Jun 08, 2006 at 10:53:12AM +0200, Alen Salamun wrote:
> Hello All!
> 
> I have read all the archives, HOWTO etc. but I don't seem to find the 
> definitive guide to do it correctly.
> 
> My diskspace in Linux is on SAN. The last partition (/dev/sda3) is LVM, 
> ext3 and it represents my /home. Now I expanded the SAN volume and I 
> would like to add this additional space to this last LVM partition.
> 
> I already see larger disk space with fdisk. AFAIK I have now two 
> options. Either I create new partition (for example /dev/sda4) and 
> pvcreate it and add it to Logical Volume or I can resize existing 
> /dev/sda3 since it is the last partition and I can resize it to new end 
> sector.
> 
> I would prefer resizing existing partition. So I should make backup, 
> delete existing partition /dev/sda3. make new partition with new end 
> sector and same start sector and do pvresize, lvresize on it right?
> 
> Is there any other way to do it? It is after all quite something to 
> delete existing live partiton and hope it still work after resize :)

man pvresize

> 
> Thank you!
> 
> _______________________________________________
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> linux-lvm at 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 ***

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Heinz Mauelshagen                                 Red Hat GmbH
Consulting Development Engineer                   Am Sonnenhang 11
Storage Development                               56242 Marienrachdorf
                                                  Germany
Mauelshagen at RedHat.com                            PHONE +49  171 7803392
                                                  FAX   +49 2626 924446
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