Sometimes, especially when ESXi thinks a volume is bad, but the ESXi S.M.A.R.T. logging does not indicate so, it boots without mounting some of the VMFS volumes as datastores. It took me a while to find the right command to list those, but I’m glad I found it: # esxcfg-volume -l Scanning for VMFS-3/VMFS-5 host … Continue reading ESXi: finding unmounted VMFS volumes