[CentOS] is it possible to resive a PV in LVM and add more LV's ?

Mon May 11 09:36:09 UTC 2009
John R Pierce <pierce at hogranch.com>

Rudi Ahlers wrote:
> Hi all
>
> I have a remote server (i.e SSH access only) which was incorrectly 
> partitioned and I urgently need to get it up and running. It's got a 
> 500GB HDD, but the PV is only 10GB big, so I can't add more LV's to 
> to. P.S. This is on LVM, btw. 
>
> [root at nd11176 ~]# fdisk -l /dev/sda
>
> Disk /dev/sda: 500.1 GB, 500107862016 bytes
> 255 heads, 63 sectors/track, 60801 cylinders
> Units = cylinders of 16065 * 512 = 8225280 bytes
>
>    Device Boot      Start         End      Blocks   Id  System
> /dev/sda1   *           1          33      265041   83  Linux
> /dev/sda2              34        1338    10482412+  8e  Linux LVM
> /dev/sda3            1339        1860     4192965   82  Linux swap / 
> Solaris
>
> [root at nd11176 ~]# pvscan
>   PV /dev/sda2   VG VolGroup00   lvm2 [9.97 GB / 0    free]
>   Total: 1 [9.97 GB] / in use: 1 [9.97 GB] / in no VG: 0 [0   ]
>
> [root at nd11176 ~]# vgscan
>   Reading all physical volumes.  This may take a while...
>   Found volume group "VolGroup00" using metadata type lvm2
>
> [root at nd11176 ~]# lvscan
>   ACTIVE            '/dev/VolGroup00/LogVol00' [9.97 GB] inherit
>
>
>
> So, my question is, if I extend the Physical Volume, what else do I 
> need todo in order to add more Logical Volume's?
where's the rest of this disk?  unpartitioned?    create another LVM 
partition as sda4, and add it to the VolGroup00, then grow LogVol00, and 
use resize2fs to grow the file system to fill the new LogVol00 size.