(works on some sparse VMDKs):
vmware-vdiskmanager -R <your-disk>.vmdk To check and repair:
A corrupted VMDK (Virtual Machine Disk) file can mean a VM fails to boot, shows I/O errors, or disappears entirely from the inventory. Before you panic, know that recovery is often possible using the right tools and methods.
vmware-vdiskmanager -r source.vmdk -t 0 recovered.vmdk If the corruption is at the VMFS datastore level:
vmware-vdiskmanager -c -s 40GB -a lsilogic -t 0 mydisk.vmdk To clone a corrupt VMDK (skipping bad blocks):
voma -m vmfs -f check -d /vmfs/devices/disks/naa.XXXXX Then attempt repair: