What guest do you have?
RHEL4u4 thanks!
-david
AFAIK, you will have to shut down the guest OS to make this happen. Then you can use GParted to finish it up....
To extend a virtual disk you need to shut down the VM.
If you're using LVMs you can add another disk to the VM hot, and then add it to your Volume group and extend your filesystem over it.
Thanks all guys!
David
i would be suggest you try this link How to Extend disk of a Virtual Machine on ESXi Host