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Showing posts with label oracle VM. Show all posts
Showing posts with label oracle VM. Show all posts

Monday, March 14, 2011

How to reduce size of Virtual image (.img) In OVM?

I had created a template of win2k3 machine having size of 80 GB (C drive=30GB,D drive =50GB).

But To cater a request for new VM Machine having size of 1 TB (C drive=30GB, D= 1 TB-30GB)
I had to come up with something .
So i created a machine from template of win2k3(above mentioned one).
Then i deleted d drive partition of 50 GB using Disk management.

Then i shutdown the machine.
Logged in to Server hosting VM guests.

Ran following command
#dd if=/OVS/running_pool/vm_machine_name/System.img of=/OVS/running_pool/vm_machine_name/System1.img bs=1024 count=31457280

Which has reduced the size of System.img to 30 gb.
Modified vm.cfg to include System1.img Instead of System.img.

Started the VM machine.
(Note:It is not advised to do as most of the time you end up getting blue dump for window machines.Not checked on linux machine.)