: vmkfstools -x repair /vmfs/volumes/datastore/your_vm/corrupt_disk.vmdk .
If you are running VMware ESXi, use the vmkfstools command via SSH.
If the disk is too corrupt for mounting: recover data from corrupt vmdk
7z l corrupt.vmdk # list contents 7z x corrupt.vmdk -orecovery # extract all files
vmkfstools -x check /vmfs/volumes/datastore1/VM/VM-flat.vmdk recover data from corrupt vmdk
ddb.adapterType = "lsilogic" ddb.geometry.cylinders = "522" ddb.geometry.heads = "255" ddb.geometry.sectors = "63" ddb.virtualHWVersion = "7"
Replace RW 8388608 with your actual sector count (sectors = size_in_bytes / 512). recover data from corrupt vmdk
Understanding why corruption happens can help you choose the right recovery path and prevent future data loss: