Recover Vmfs Partition Esxi 5 2021

Run:

(Replace naa.xxxxxxx with your specific device ID).

The VMFS (Virtual Machine File System) partition, which stored critical data for several VMs, was no longer visible on the ESXi host. John tried to access the partition, but it was nowhere to be found. Panic began to set in as he thought about the potential data loss and downtime.

If the stars align (and the start sector was correct), you should see your VMFS volume listed with a UUID and a mount point (e.g., /vmfs/volumes/datastore1 ). recover vmfs partition esxi 5

If you don't know the exact start sector of the original partition, you would typically need a specialized tool to scan for the VMFS superblock. However, standard practice for recovery often assumes the default layout created by ESXi.

# Identify devices esxcfg-scsidevs -c

We need to find the device identifier (NAA ID) of the LUN that is missing the datastore. Run the following command to list all storage devices: Run: (Replace naa

(KB 1003657)

Before attempting any recovery, ensure no new data is written to the disk to prevent overwriting critical virtual machine files.

Before we fix anything, let’s see what the host thinks is on that disk. We will use the classic fdisk utility (specifically fdisk -l to list partitions). Panic began to set in as he thought

fdisk /dev/disks/naa.xxxxxxx

If your datastore was originally created on an older version of ESX or is small, follow these steps: