Recovering a VMDK from a flat file is a deterministic process rooted in mathematical geometry. By manually reconstructing the descriptor text file with the correct sector count and cylinder mapping, data accessibility is restored without the need for forensic disk carving tools. System administrators should maintain backups of descriptor files or script their generation during maintenance windows to expedite future recovery efforts.
Paste the following template into the new file: how to recover vmdk from flat file
Set ddb.virtualHWVersion to a version supported by your ESXi host (e.g., "14" for ESXi 6.7+, "11" for ESXi 6.0). It is safer to set this lower and upgrade the VM compatibility later than to set it too high for the host. Recovering a VMDK from a flat file is
ddb.adapterType = "lsilogic" ddb.geometry.sectors = "63" ddb.geometry.heads = "255" ddb.geometry.cylinders = "5221" ddb.virtualHWVersion = "14" Paste the following template into the new file: Set ddb
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This article walks you through recovering or recreating a working .vmdk from just the -flat.vmdk file.