Menu System Tasks
Operator Tasks 3-13
In mainframe environments, set the tape drive offline for all host paths to the tape
drive by using one of the following Vary commands:
â– MVS:
V <address> offline
â– VM:
Vary off, <address>
In open systems environments, do one of the following:
â– Stop the job that is using that tape drive.
â– In a multi-host setting, stop any job that is using the tape drive and then, if
there is a switch unit in use, block the port in that switch to the tape drive.
2. Click Online.
If the tape drive is online, the button is blue. You click the blue button to change it
to gray, indicating that the tape drive is offline.
Note: You can also set the drive offline by selecting Set Offline
from the Drive Operations menu.
Rebuilding the MIR
This section discusses the rebuilding of the MIR. This is an abnormal situation as the
tape drive automatically builds and changes the MIR as the tape is used. The rebuild
process is only used when the MIR on a tape becomes damaged or corrupted.
Note: This can be a lengthy process, especially on a fully written
cartridge. Rebuilding the MIR for a full data cartridge could take 90
minutes (T10000A formatted cartridge) or longer.
To Rebuild the MIR (Operator Panel)
Note: Make sure the write protect switch on the data cartridge is
set to the unlocked position.
This process rebuilds an MIR from the rack mount drive tray operator panel.
1. Set the drive to the offline state.
See "To Place the Drive Offline (Operator Panel)" on page 3-12 as needed.
2. Press the Menu button until
Drv Menu?
appears in the display window.
3. Press the Select button (Yes) once.
The display window now shows the beginning of drive utilities submenus.
4. Press the Menu button until
Build MIR
appears.
5. Press the Select button to begin the MIR rebuilding process.
Ld Cust Tp
appears in the display window.
Note: The drive unloads any loaded cartridge. Remove the
cartridge.
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