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This blog is mainly a technical repository of information on Virtualisation tools and management for our hosting service.

Also for HP's Bladesystem that we use at both our datacentres.

Other articles are also included on .Net development and MS SQL Server as well as other interesting things we come across.

Sunday, 9 November 2008

Convert old VMWare server disk directly to ESX/ESXi format

Rather than use Converter which isn't altogether reliable especially with converting multi-disk servers, convert the disk directly and upload straight to the datastore.

Here's how to make the transition easy, assuming all your disks use LSILogic or BusLogic drives:

On your vmware server host, use "vmware-vdiskmanager -r (source disk path) -t 2 (destination disk path)" to convert your disk to "monolithicFlat"
Open "disk.vmdk" it is just a text file
Change "monolithicFlat" to "vmfs" and change "FLAT" (note the case!) below that to "vmfs".

Just add the disk to the ESX/ESXi VM and boot!

3 comments:

Parasect said...

My disk is approx 15 Gb, you want me to open it in a text editor?

Am I missing something here?

IT support said...

There should be 2 files, the XXX.vmdk and the XXX-flat.vmdk, the smallest file is the one to open in notepad.

James said...

Fantastic. Works likea charm