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Chapter 5 Administration
Setting the Change Mode
68 SuperLoader 3 Autoloader User’s Guide
7 The next two digits represent the current hour. At each position of the
hour, use the up and down arrows to change the value of each digit.
Press
Enter
.
8 The last two digits represent the current minute. At each position of
the minute, use the up and down arrows to change the value of each
digit. Press
Enter
to advance the cursor to the next digit.
9 Press
Enter
to save.
10
Press
Escape
as necessary to return to the main menu.
Setting the Change Mode
5
You can set the autoloader to either
Random
or
Sequential
. The default
change mode is
Random
.
In
Random
mode, you, or the backup software, can specify which
cartridge you want to use and where you want it to go. You will probably
use this mode the most.
The
Sequential
mode supports certain backup applications that do not
manage media. During backup, when one cartridge is read or written to
the end of the tape, the autoloader automatically returns that cartridge to
its slot and loads the cartridge from the next higher numbered slot to the
tape drive to be read or written to. This continues until the backup
sequentially accessed. The autoloader does not move the media until the
host requests the tape drive to unload the tape via a SCSI unload
command.
In
Seq Cycle
mode, which is an option of the
Sequential
mode, the
autoloader automatically starts over with magazine slot 1 when the last
cartridge is used (slot 16 or highest filled slot). If this change mode is not
set, the autoloader stops when the last cartridge available has been used.
In
Seq Cycle
mode the autoloader continues to cycle until a user stops it.
Note: In
Sequential
mode, the medium changer does not appear in
the
Device Manager
. The medium changer will reappear in
Device Manager
if you return the system to
Random
mode. This
is to allow for operating systems that do not support multiple
LUNS.