You can also select one of four optimization settings on the Defrag type drop-down menu.

Then choose one of the period options to configure according to preference. My hosts are ESXi 4.1, 5.0, 5.5, 6.0, 6.5 and 6. To set automatic drive optimization, click the Settings menu and select Schedule choose a drive in the drop-down menu and select Schedule drive optimization for chosen volume. Then a window with the below request appears. been deleted and removed from snapshot manager, but the consolidation of the VMDKs on disk have failed. First, right-click on the virtual machine and select VM > Snapshots > Consolidate. But: PS C:> (get-vm acme01). False PS C:> So the question is: when is a disk marked as 'consolidation needed' by the host? PS. Virtual machine disks consolidation is needed. I have here for example a VM with disks looking like this:Ī I'd say it's in need of consolidation. Alas: I get a $false on every of the 640 VMs I checked. This can be a time consuming process, and if the disk is nearly full may not always be possible. I though 'easy, I just look at the relevant property'. Defragmentation moves those fragments so that each file has a continuous region on the hard drive, and files are packed together to squeeze out the free space so that it too occupies one large block. My boss asks me to write a script (actually, extend an existing one) to consolidate disks.

Disk consolidation