Draft Document for Review February 7, 2020 3:15 pm 8464ch11_Monitoring.fm 11.7.2 LIBRARY command For more information, see Chapter 10, “z Host Console operations” on page 589 and  z/OS  DFSMS Object Access Method Planning, Installation, and Storage Administration Guide for  Tape Libraries , SC23-6867. The  LIBRARY  command can be used to check for missing virtual drives or for the status of the  grid links. Example 11-22 shows the output of the  LIBRARY DD  command that you can use to  verify whether all virtual drives are available. For more information about the  LIBRARY  command, see Chapter 10, “z Host Console  operations” on page 589 and  z/OS DFSMS Object Access Method Planning, Installation, and  Storage Administration Guide for Tape Libraries , SC23-6867. Example 11-22 Sample response for LI DD,libname command LI DD,ATVIGA RESPONSE=EGZB  CBR1220I Tape drive status: 338  DRIVE DEVICE LIBRARY ON OFFREASN LM ICL ICL MOUNT   NUM TYPE NAME LI OP PT AV CATEGRY LOAD VOLUME  5F00 3490 ATVIGA ......N N Y N A NONE N  5F01 3490 ATVIGA ......N N Y N A NONE N  5F02 3490 ATVIGA ...... N N Y N A NONE N  5F03 3490 ATVIGA ,,,,,,N N Y N A NONE N  5F04 3490 ATVIGA ,,,,,,N N Y N A NONE N  5F05 3490 ATVIGA ......N N Y N A NONE N  5F06 3490 ATVIGA ......N N Y N A NONE N  5F07 3490 ATVIGA ......N N Y N A NONE N  5F08 3490 ATVIGA ......N N Y N A NONE N  5F09 3490 ATVIGA ......N N Y N A NONE N  5F0A 3490 ATVIGA ..... N N Y N A NONE N  5F0B 3490 ATVIGA ..... N N Y N A NONE N  5F0C 3490 ATVIGA ..... N N Y N A NONE N  5F0D 3490 ATVIGA ..... N N Y N A NONE N  5F0E 3490 ATVIGA ..... N N Y N A NONE N  5F0F 3490 ATVIGA ..... N N Y N A NONE N  5F10 3490 ATVIGA ..... N N Y N A NONE N  5F11 3490 ATVIGA ..... N N Y N A NONE N  5F12 3490 ATVIGA ..... N N Y N A NONE N  5F13 3490 ATVIGA ..... N N Y N A NONE N 5FFA 3490 ATVIGA ..... N N Y N A NONE N 5FFB 3490 ATVIGA ..... N N Y N A NONE N 5FFC 3490 ATVIGA ..... N N Y N A NONE N 5FFD 3490 ATVIGA ..... N N Y N A NONE N 5FFE 3490 ATVIGA ..... N N Y N A NONE N 5FFF 3490 ATVIGA ,,,,, N N Y N A NONE N  LM SG: LM SC: LM MC: LM DC: LM CATEGORY: 0011 ------------------------------------------------------------------- Logical volume.  ----------------------------------------------------------------------  Chapter 11. Monitoring  693