
Chapter 4 On-board Remote Management
Configurations Page
48 Quantum SuperLoader 3 User’s Guide
Note: You must perform a system reset before the new mode
takes effect, or you can use the front panel to power cycle
your machine.
Mode
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
software stops accessing the drive or until all the cartridges have been
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.
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.
In
Sequential 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
Sequential Cycle mode, the autoloader continues to cycle
until a user stops it.
To set the
Mode:
1 From any page, click the
Configurations heading. The Configurations
screen displays.
2 In the
Mode section of the page, the current mode is marked. To
change the mode, select a different option. The
Sequential Cycle
check box is ignored if
Sequential mode is not selected.
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