[CentOS] resize2fs

[Dennis Jacobfeuerborn]

On 08/30/2011 04:54 AM, Ed Morrison wrote:
> Hi All:
>
> I am trying to resize a centos (5.2) VM drive.  I use VMware and I have
> increased the size of the drive by 40G.  I am running resize2fs on
> /dev/sdb1 (which is my root partition)  but when I do I get this error:
>
> [root at centos ~]# resize2fs /dev/sdb1 120G
> resize2fs 1.39 (29-May-2006)
> The containing partition (or device) is only 19970795 (4k) blocks.
> You requested a new size of 31457280 blocks.
>
> How can I change the block size?
>
> I have also tried to use gparted live cd but it will not allow me to
> increase the size even though it sees 40g of unused space.  I can only
> create a new partition.
>
> Any help would be appreciated.

After having resized the virtual drive have you also resized the partitions 
inside the VM? Doing a "fdisk /dev/sdb" will probably show you a 40G drive 
but the partitions will still have the old size and you need to extend them 
before you can extend the filesystems on them.

Regards,
   Dennis