VMware KB: Cannot remount a datastore after an unplanned permanent device loss (PDL)
To resolve this issue: Run this command to see the world that has the device open for the LUN: #esxcli storage core device world list -d naa_id For example: #esxcli storage core device world list -d naa.6006016058201700354179be0c6fdf11 You see output simi...