Before diving into low-level tools, rule out transient issues:
Critical system files (like the Volume Header or Journal) are corrupted. This can cause the datastore to appear as "inactive" or unformatted. data recovery vmfs partition
Manual methods are risky; if you choose the wrong starting sector, you could overwrite the VMFS header. In 2026, several professional tools are recommended for deep-scanning VMFS volumes: Before diving into low-level tools, rule out transient
Managing a VMware environment requires a high level of data integrity, yet VMFS (Virtual Machine File System) partition loss remains a critical threat. Whether caused by accidental deletion, metadata corruption, or ESXi host failure, losing a VMFS partition can take down dozens of virtual machines simultaneously. In 2026, several professional tools are recommended for
If auto-recovery fails, you need to manually recreate the partition table as it was.
The VMFS file system is designed for clustered storage, allowing multiple ESXi hosts to read and write to the same LUN concurrently. However, this complexity makes it difficult for standard operating systems like Windows or Linux to recognize or repair the volumes without specialized drivers.