If the datastore is still missing, access the ESXi shell (SSH or DCUI) and run:
Cease all operations on the affected LUN (Logical Unit Number).
A free, open-source tool that can sometimes find and restore lost partition headers. Best Practices for the Process
Here’s a clear, professional text you can use for documentation, a blog post, or a knowledge base article on the topic:
Before running commands, determine why the datastore is gone: Did a LUN disconnect or a cable fail?
: Utilize professional data recovery services or software specifically designed for VMFS recovery, such as:
Did a host crash during a write operation? Accidental Deletion: Was the partition table wiped? 2. The "Snapshot" Scenario (Most Common)
This remounts the existing VMFS volume .
: In severe cases, engaging a professional data recovery service may be necessary. These services can often recover data even from highly damaged storage media.
