For experienced administrators, VMware provides built-in tools to diagnose and sometimes repair VMFS issues directly through the ESXi shell. 1. Re-mounting "Snapshot" LUNs
vmfs2recover -d /dev/sdb -o 128 -b 1048576 --force vmfs recover
The superblock (block 0, 1, 2) stores FS ID, version, block size, and pointer to the File Descriptor Table (FDT). If damaged: For experienced administrators
VMFS recovery is the process of restoring a corrupted or damaged VMFS datastore. VMFS is a file system used by VMware ESXi hosts to store virtual machines. When a VMFS datastore becomes corrupted, it can lead to data loss and downtime. 2) stores FS ID