Thick to Thin disk convert

[karthikatVMware]

I have a VM-ware ESX Host 4.0 server. in that i have a 3 Guest operating system all are windows 2008 server 64-bit standard edition's .

I want to update the Patch on this server. So, I tried to Backup the Guest Virtual machines . first step i did the provisioned disk conversion.

I have converted the THICK disk into THIN disk and i add this thin disk into the VM. After the VM has rebooted continuously its shows an blue screen error

[AndreTheGiant]

How you have convert the disk?

A simple way (if you have vCenter) is migrate the VM between two datastore.

Andre

[karthikatVMware]

I converting disk by using command in the service console

VMFStool.

Can i have the simple step to migrate the VM to another note. Note: I don't have the shared Storage (SAN)

[AndreTheGiant]

With vmkfstools you must also be sure to do not change the adapter type.

If you have vCenter and at least two datastores (also not shared) you can use migrade / change datastore, then choose to change the format.

If you have the Storage vMotion license you can do this operation with the VMs powered on.

Andre

[karthikatVMware]

Thanks for your Reply .Can you explain about Change the adapter type.

I hava a vCenter Server but i have an one datastore. can you explain in details

[AndreTheGiant]

Check the orignal adapter type from VM properties.

Then make the conversion with:

vmkfstools -i original.vmdk -d thin -a adapter_type newthindiskname.vmdk

PS: note that you can also use VMware Standalone Converter 4.1 to make this job.

Andre