HP VS80 User Manual download pdf (Page 42)

42 Autoloader Administration Chapter 3

Setting the Autoloader Operating Mode

The autoloader operating mode is determined by whether or not you are using

backup software that can control the autoloader robotics. If you are using such

software, then the autoloader operates in Random mode. If you are not, then

the autoloader operates in Sequential mode.

Random Mode

If you are using software that can control the autoloader’s robotics, the

autoloader will detect this and switch to Random mode. In Random mode, the

autoloader will not automatically load tapes into the drive; instead it will wait

for commands from the software.

Note Your backup software must support the autoloader’s robotics,

which may require the additional installation of an autoloader

software module. For more information, refer to your backup

software documentation.

Sequential Mode

The autoloader initially assumes that you are not using a backup software

package to control cartridge or drive activity, and consequently operates in

Sequential mode. With sequential mode, 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, and then loads the next available higher numbered

slot.

Operating in Sequential mode also allows you to determine the behavior for

how tapes are loaded into the autoloader’s tape drive. This is done from the

autoloader front panel by setting:

■ Circular Mode options (see Circular Mode on page 43)

■ Autoload Mode options (see Autoload Mode on page 44)

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HP VS80 User Manual Page 42