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Array LUN name format

The array LUN name is a path-based name that includes the devices in the path between the Data ONTAP system and the storage array, ports used, and the SCSI LUN ID on the path that the storage array presents externally for mapping to hosts.

On a Data ONTAP system operating in 7-Mode, there are two names for each array LUN because there are two paths to each LUN, for example, brocade3:6.126L1 and brocade15:6.126L1.

Array LUN format for systems operating in 7-Mode and releases prior to 8.0

Configuration Array LUN name format Component descriptions
Direct-attached adapter.idlun-id adapter is the adapter number on the Data ONTAP system.

id is the channel adapter port on the storage array.

lun-id is the array LUN number that the storage array presents to hosts.

Example:

0a.0L1

Fabric-attached switch-name:port.idlun-id switch-name is the name of the switch.

port is the switch port that is connected to the target port (the end point).

id is the device ID.

lun-id is the array LUN number that the storage array presents to hosts.

Example:

brocade3:6.126L1

brocade3:6.126 is the path component and L1 is the SCSI LUN ID.