offset = 0 while True: # Read chunk header chunk = self.device.read(65536) # Read 64KB chunks if not chunk: break
# Signatures to look for self.VMDK_MAGIC_DESCRIPTOR = b"# Disk DescriptorFile" self.VMDK_MAGIC_FLAT = b"COMMA" # Often seen in sparse headers
of the flat file: ls -l [VMNAME]-flat.vmdk
Search for the "KDMV" header (the magic byte signature for VMDK files). 6. How to Prevent Future Data Loss vmfs recover deleted vmdk
Highly effective at reading raw VMFS partitions and recovering deleted blocks.
if not files: print("[-] No deleted VMDK descriptors found.")
vmkfstools -V
Below is a high-level technical design and a conceptual Python implementation strategy for this feature.
print("[+] VMFS Volume detected.") # Extract block size (usually 1MB, 2MB, 4MB, or 8MB) # self.block_size = struct.unpack... self.block_size = 1024 * 1024 # Defaulting to 1MB for demo return True
The loss of a Virtual Machine Disk (VMDK) file can be a catastrophic event for any IT environment. Whether it was an accidental deletion, a failed snapshot consolidation, or a corrupted VMFS (Virtual Machine File System) volume, the impact on business continuity is immediate. offset = 0 while True: # Read chunk header chunk = self
# Seek to start of data area self.device.seek(0)
: Always test recovery procedures in a non-production environment first. VMware does not provide native undelete for VMFS. This report is for informational purposes; actual results vary based on storage hardware, VMFS version, and usage patterns.