Listing Attributes of an RDM

Use the vmkfstools command to list the attributes of a raw disk mapping. The attributes help you identify the storage device to which your RDM files maps.

-q|--queryrdm my_rdm.vmdk

This option prints the name of the raw disk RDM. The option also prints other identification information, like the disk ID, for the raw disk.

Example of Listing RDM Attributes

# vmkfstools -q /vmfs/volumes/VMFS/my_vm/my_rdm.vmdk 

Disk /vmfs/volumes/VMFS/my_vm/my_rdm.vmdk is a Passthrough Raw Device Mapping 

Maps to: vml.020000000060050768019002077000000000000005323134352020