Most of us will be familiar with the df command. But in ESX, you use the vdf command, located in /usr/sbin. Running the vdf command will net you similar output to what you see with df. Simply run the following to see free space on each of your disks: vdf -h You can also list all of your data stores to correlate the vdf output with esxcfg: /usr/sbin/esxcfg-scsidevs -c Or to list LUNs: /usr/sbin/esxcfg-mpath -L BTW, if you’re running out of free space, in my experience, first look to your snapshots and check how much space they’re consuming…