Quantum FastStor 2 Uživatelská příručka stáhnout pdf (Strana 39)

Autoloader Operating Modes 39

Autoloader Operating Modes

The autoloader has operational modes that affect how the autoloader loads tapes into the drive.The

operating mode is set based on whether you have automation software controlling cartridges in the

autoloader or if you are manually loading and unloading cartridges using the autoloader Operator

Panel controls.

The autoloader always operates in Autodetect mode. In Autodetect, the autoloader automatically

assumes you are not using automation software to control cartridge or drive activity. This mode is

called Stacker or Sequential mode. If the autoloader detects that the automation software is

controlling tape drive activity, it will automatically switch to Random mode.

Random Mode

This is the mode of operation when a backup software application is being used. In Random mode,

the autoloader will not automatically load tapes into the drive. Instead it waits for commands from

the software. Your backup software must support autoloaders, which often requires the additional

installation of an autoloader/library software module.

Sequential Mode

Sequential mode is useful when a software application is not available. In Sequential mode, the

autoloader will automatically unload and load tapes from the drive. The operator determines the first

tape to load by loading the desired tape into the tape drive using the autoloader Operator Panel

controls (see

Loading Cartridges for instructions). When the first tape is full or unloaded for any

reason, the autoloader automatically removes the tape from the drive, puts it in its original slot, then

loads the next available higher numbered slot. To further determine how you want tapes loaded into

the autoloader's tape drive while in Sequential mode, you can view or set Circular and Autoload

options from the autoloader front panel, but only while in Sequential mode.

Circular Mode On/Off

This option turns Circular mode on or off, and is only available when in Sequential mode. When

Circular mode is on, after the autoloader has cycled through all available cartridges, it then reloads

the original first cartridge in the sequence. If Circular mode is turned off and the last cartridge has

been unloaded, the autoloader stops loading cartridges until you manually load another cartridge.

To turn the Circular mode On or Off

1. From the Home Screen or main menu, press + or – until Configuration appears on the top line

of the LCD screen.

2. Press ENTER to select.

NOTE:

“SEQ” appears next to the front panel inventory when the autoloader is in

Sequential mode. Nothing appears when the autoloader is in Random mode.

CAUTION:

Use caution when choosing Circular mode. This mode makes it

possible to overwrite data previously written on cartridges.

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Quantum FastStor 2 Uživatelská příručka Strana 39