Delete Delta Vmdk Files
Direct deletion of delta VMDK files without proper consolidation will cause:
The VM must perform a "lookup" operation every time it reads or writes data. If the VM needs data that is on the base disk, the delta file is checked first, and then the request is passed to the base disk. This overhead increases latency and decreases I/O performance.
If your VM has valid snapshots listed in the Snapshot Manager, this is the intended workflow. delete delta vmdk files
Safely identify and delete orphaned or obsolete delta VMDK files (child disks) from VMware datastores.
In the world of VMware vSphere storage management, few things cause an administrator’s heart to race quite like discovering a "delta" VMDK file on a production virtual machine. While these files are a normal part of the snapshot process, they can become a significant liability if left unchecked. Direct deletion of delta VMDK files without proper
# Connect to your vCenter server Connect-VIServer -Server <vcenter_server>
Here are the three methods to handle this process, ranked from easiest to most advanced. If your VM has valid snapshots listed in
Delta VMDK files are a necessary byproduct of VMware’s snapshot technology, allowing for rollbacks and testing. However, they require active management.
- Confirm no VM is currently using the delta - Verify delta is not part of an active snapshot - Check if delta is the child of a base VMDK still in use