Are you currently seeing a when trying to power on a VM, or are you just preparing your troubleshooting toolkit ?

To a disk that has inconsistencies:

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 vmkfstools -x command is a straightforward way to help manage and reclaim storage space in VMware environments, but always perform such operations with caution.

Frequent or deep snapshot trees can sometimes lead to descriptor mismatches. Conclusion

The command corrected the metadata inconsistencies, and you should now be able to power on the VM. Why Do Disks Get Corrupted?

If you encounter issues: