The commands to create a procedure called sp_vdevno, which finds the virtual device number of a given device, are shown below.
sp_vdevno returns results similar to the following:
1> sp_vdevno 2> go
vdevno name status ---------- ---–------- ------ 0 master 2 4 user_disk4 3
WARNING! The sp_vdevno stored procedure is provided for your information-it is not supported at this time.
The sp_helpdevice stored procedure reports similar information.