Redefining a tape library

The storage administrator can redefine a tape library by specifying a tape library that has a record in the TCDB, but no corresponding library definition in this SCDS. The Tape Library Redefine panels (Figure 1, Figure 2, Figure 3, and Figure 4) are displayed when the storage administrator selects option 3, DEFINE, on the Tape Library Application Selection panel, and there is already a tape library record for this library name in the TCDB. The library is redefined since most of the information describing the library already resides in the TCDB and does not have to be re-entered.

When the redefine panel is first shown, message DGTLM020—ATTRIBUTES PRIMED appears to emphasize that a redefine is taking place. When END is pressed, a record is added to the new SCDS. The TCDB is updated only if one of the relevant fields on a redefine panel is changed. The changes are not effective until the updated SCDS is activated.

Figure 1. Tape Library Redefine Panel (Page 1 of 4)

   Panel  Utilities  Scroll  Help
 ------------------------------------------------------------------------------
                             TAPE LIBRARY REDEFINE            ATTRIBUTES PRIMED
 Command ===>_
 
 SCDS Name  . :SCDS.TEMP2.PRIMARY
 Library Name :LIB1
 Library Type :AUTOMATED
 Device Type  :3495-L50
 
 To Redefine Library, Specify:
   Description ===> Automated tape library 0001C in
               ===> building 031
 
   Library ID . . . . . . . . . . . 0001C     (00001 to FFFFF)
      Note: Library ID changes will be reflected in the TCDB without having the 
            configuration with the Library Name activated.
   Console Name . . . . . . . . . . LIB1CON
   Entry Default Data class . . . . 
   Entry Default Use Attribute  . . P         (P=PRIVATE or S=SCRATCH)
   Eject Default  . . . . . . . . . K         (P=PURGE or K=KEEP)
 
 
 
 Use ENTER to Perform Verification; Use DOWN Command to View Next Panel;
 Use HELP Command for Help; Use END Command to Save and Exit; CANCEL to Exit.

Figure 2. Tape Library Redefine Panel (Page 2 of 4)

   Panel  Utilities  Scroll  Help
 ------------------------------------------------------------------------------
                             TAPE LIBRARY REDEFINE            ATTRIBUTES PRIMED
 Command ===>_
 
 SCDS Name  . :SCDS.TEMP2.PRIMARY
 Library Name :LIB1
 Library Type :AUTOMATED
 Device Type  :3495-L50
 
 
 Media Type:                 Scratch Threshold              Scratch Number
   Media1  . . . . . . . . . . . 100      (0 to 999999)         1250
   Media2  . . . . . . . . . . . 150      (0 to 999999)         725
   Media3  . . . . . . . . . . . 100      (0 to 999999)         1100
   Media4  . . . . . . . . . . . 0        (0 to 999999)         0
   Media5  . . . . . . . . . . . 0        (0 to 999999)         0
   Media6  . . . . . . . . . . . 0        (0 to 999999)         0
   Media7  . . . . . . . . . . . 0        (0 to 999999)         0
   Media8  . . . . . . . . . . . 0        (0 to 999999)         0
   Media9  . . . . . . . . . . . 0        (0 to 999999)         0
   Media10 . . . . . . . . . . . 0        (0 to 999999)         0 
   Media11 . . . . . . . . . . . 0        (0 to 999999)         0 
   Media12 . . . . . . . . . . . 0        (0 to 999999)         0 
   Media13 . . . . . . . . . . . 0        (0 to 999999)         0 
  
 Use ENTER to Perform Verification; Use DOWN Command to View Next Panel;
 Use HELP Command for Help; Use END Command to Save and Exit; CANCEL to Exit.

Figure 3. Tape Library Redefine Panel (Page 3 of 4)

   Panel  Utilities  Scroll  Help
 ------------------------------------------------------------------------------
                             TAPE LIBRARY REDEFINE            ATTRIBUTES PRIMED
 Command ===>
 
 SCDS Name  . . . :SCDS.TEMP2.PRIMARY
 Library Name . . :LIB1
 Library Type . . :AUTOMATED             * SYS GROUP= Sysplex minus systems in
 Device Type  . . :3495-L50              sysplex explicitly defined SCDS
 Library ID . . . :0001C
 Number of Slots  :16260                 Empty Slots . . :2050
   Initial Online Status (Yes, No, or Blank):
 *SYSPLX01 ===>      *SYSPLX02 ===>      *SYSPLX03 ===>     *SYSPLX04 ===>
  SYSSTM01 ===> YES   SYSSTM04 ===> YES   SYSSTM07 ===>      SYSSTM10 ===>
  SYSSTM02 ===>       SYSSTM05 ===>       SYSSTM08 ===>      SYSSTM11 ===>
  SYSSTM03 ===>       SYSSTM06 ===>       SYSSTM09 ===>      SYSSTM12 ===>
 
 WARNING:
   When you connect a tape library to a system group rather than a system,
   you lose the ability to vary that library online or offline to the
   individual systems in the system group.  It is strongly recommended that
   the tape library be connected to individual systems only.
 Use ENTER to Perform Verification; Use UP/DOWN Command to View Other Panels;
 Use HELP Command for Help; Use END Command to Save and Exit; CANCEL to Exit.

Figure 4. Tape Library Redefine Panel (Page 4 of 4)

   Panel  Utilities  Scroll  Help
 ------------------------------------------------------------------------------
                             TAPE LIBRARY REDEFINE            ATTRIBUTES PRIMED
 Command ===>
 
 SCDS Name . . :SCDS.TEMP2.PRIMARY
 Library Name  :LIB1
 Library Type  :AUTOMATED               * SYS GROUP = Sysplex minus systems in
 Device Type . :3495-L50                sysplex explicitly defined in SCDS.
 Library ID  . :0001C
 Number of Slots :16260                 Empty Slots  . :2050
   Initial Online Status (Yes, No, or Blank):
  SYSSTM13 ===> YES   SYSSTM17 ===> YES   SYSSTM21 ===>      SYSSTM25 ===>
  SYSSTM14 ===>       SYSSTM18 ===>       SYSSTM22 ===>      SYSSTM26 ===>
  SYSSTM15 ===>       SYSSTM19 ===>       SYSSTM23 ===>      SYSSTM27 ===>
  SYSSTM16 ===>       SYSSTM20 ===>       SYSSTM24 ===>      SYSSTM28 ===>
 
 WARNING:
   When you connect a tape library to a system group rather than a system,
   you lose the ability to vary that library online or offline to the
   individual systems in the system group.  It is strongly recommended that
   the tape library be connected to individual systems only.
 Use ENTER to Perform Verification; Use UP Command to View Previous Panel;
 Use HELP Command for Help; Use END Command to Save and Exit; CANCEL to Exit.

The following fields are primed from the TCDB when the Tape Library Redefine panels are displayed:

DESCRIPTION
LIBRARY ID
CONSOLE NAME
SCRATCH THRESHOLD

The following fields are maintained in the SCDS and not in the TCDB. Since there is no SCDS definition to supply these values for redefine, the redefine panel displays the following primed values:

ENTRY DEFAULT DATA CLASS (blanks)
ENTRY DEFAULT USE ATTRIBUTE (PRIVATE)
EJECT DEFAULT (KEEP)
INITIAL ONLINE STATUS
- NO for the system the user is logged on to (if that system is included in this SCDS)
- blanks for all other systems
Note: If identical values in different CDSs are needed, the COPY line operator on the TAPE LIBRARY LIST panel should be used.