Vmkfstools -x |verified| Jun 2026

vmkfstools -x defragment /path/to/disk.vmdk

Here is a comprehensive guide to understanding and using the -x flag. What is the vmkfstools -x Command? vmkfstools -x

The command corrected the metadata inconsistencies, and you should now be able to power on the VM. Why Do Disks Get Corrupted? vmkfstools -x defragment /path/to/disk

Always point the command at the small descriptor file (e.g., my-disk.vmdk ), not the large data file ( my-disk-flat.vmdk ). Why Do Disks Get Corrupted

vmkfstools -x is a specialized command within the VMware ESXi ecosystem used primarily for managing and repairing virtual disk (.vmdk) files. While most VMware administrators interact with storage through the vSphere Client, the command-line utility vmkfstools remains the "Swiss Army Knife" for troubleshooting and low-level disk operations.

The -x (or --check ) option in vmkfstools is used to check the consistency of a virtual disk and, in many cases, repair a disk that has become corrupted or "dirty." This is often the first line of defense when a Virtual Machine (VM) refuses to power on due to disk errors. Primary Use Cases 1. Checking Disk Consistency

**Examples:**