Examining LUNs with ESXCLI

You can use esxcli storage core to display information about available LUNs on ESXi.

You can run one of the following commands to examine LUNs. Specify one of the connection options listed in Connection Options for ESXCLI Host Management Commands in place of <conn_options>.

List all logical devices known on this system with detailed information.

esxcli <conn_options> storage core device list

The command lists device information for all logical devices on this system. The information includes the name (UUID), device type, display name, and multipathing plugin. Specify the --device option to only list information about a specific device. See Storage Device Naming for background information.

naa.5000c50037b3967e
Display Name: <name> (naa.5000c50037b3967e)
Has Settable Display Name: true
Size: 953869
Device Type: Direct-Access
...
naa.500000e014e7a4e0
Display Name: <name> (naa.500000e014e7a4e0)
Has Settable Display Name: true
Size: 70007
Device Type: Direct-Access
...
mpx.vmhba0:C0:T0:L0
Display Name: Local <name> CD-ROM (mpx.vmhba0:C0:T0:L0)
Has Settable Display Name: false
Size: 0
Device Type: CD-ROM

List a specific logical device with its detailed information.

esxcli <conn_options> storage core device list -d mpx.vmhba32:C0:T1:L0

List all device unique identifiers.
```
esxcli <conn_options> storage core device list
```
The command lists the primary UID for each device, such as naa.xxx or other primary name, and any other UIDs for each UID (VML name). You can specify --device to only list information for a specific device.
Print mappings for VMFS volumes to the corresponding partition, path to that partition, VMFS UUID, extent number, and volume names.
```
esxcli <conn_option> storage filesystem list
```
Print HBA devices with identifying information.
```
esxcli <conn_options> storage core adapter list
```
The return value includes adapter and UID information.
Print a mapping between HBAs and the devices it provides paths to.
```
esxcli <conn_options> storage core path list
```