dynamic resize of LUNs

[Barry Brimer]

On Tue, 9 Oct 2007, Holder, Bill wrote:

> Hi all,
>
>    I'm hoping someone might be able to help me get this to work
> properly...
>
>    Linux server with Qlogic HBA cards, has a 50gig LUN presented to it,
> with a single ext3 filesystem.
>
>    SAN admin has added another 50 gig to the LUN, and the server sees a
> 100 gig LUN.
>
>    Problem is, the filesystem is now corrupt.
>
>    I've tried rebuilding the devices and letting kpartx do it's thing,
> but the existing filesystem always dies.
>
>
>    Anyone know a good way to get this working, or am I screwed?

What version of RHEL are you using?  What filesystem is on it ext2/3, xfs, 
gfs, vxfs .. etc?  Are you using any LVM?