Using the WRKMLBBRM Command

While you can make some changes to media library information from the WRKDEVBRM command, the Work with Media Libraries (WRKMLBBRM) command provides more options at a greater level of detail. To get there, take the following steps:

1. Type WRKMLBBRM at a command line and press Enter.

                             Work with Media Libraries                   RCHAS400  
                                                                                   
    Position to . . . . . .               Starting characters                      
                                                                                   
    Type options, press Enter.                                                     
      2=Change   3=Hold     5=Display   6=Release   8=Work with MLB media          
      9=Display MLB media   10=Display MLB status   11=Add MLB media               
                                                                                   
    Opt   Library    Status         Location   Text                                
     _    __________                                                               
     -    MLB01       Released       VAULT       Entry created by BRM configuration
     -    TAPMLB03    Released       TAPMLB03    Entry created by BRM configuration
                                                                                   
                                                                                   
                                                                                   
                                                                                   
                                                                                   
                                                                                   
                                                                                   
                                                                                   
                                                                           Bottom  
                                                                                   
    F3=Exit    F5=Refresh    F9=System command    F12=Cancel                       
   

2. From this display, you can access a variety of MLB-related displays and perform the following tasks:
   • Change location, optimum block size, compaction, read and write densities, and other device-related information.
   • Change or review device description information, including renaming the device.
   • Hold and release a library for specified purposes.
   • Work with media library media, including adding, initializing, removing, mounting, and dismounting.
   • Display library status information.
   • Display media library media status information.
3. After completing your changes, press Enter to return to the Work with Media Libraries display.