Method for host-independent cartridge entry in an automated libr

Details Method for host-independent cartridge entry in an automated libr Method for host-independent cartridge entry in an automated libr

1991-08-14

1994-08-30

Smith, Jerry

Boots, shoes, and leggings

369 33, 369 34, G11B 1500, G11B 1722

Patent

active

053434030

ABSTRACT:
A method is disclosed for providing a host-independent cartridge entry mode in an automated tape cartridge library connected to more than one host computer. In host-independent cartridge entry mode, a message is broadcast by a library management unit to all of the host computers when an operator loads a cartridge or cartridges into the library cartridge access port. The host computers then vie for control of the cartridge access port, and a selection algorithm determines which host computer is allocated to control the cartridge access port. The selected host computer then catalogs the cartridges contained in the cartridge access port and issues a command to move the cartridges out of the cartridge access port. When the automated library is in host-independent mode, the operator need not issue a command each time additional cartridges are to be entered into the library, since the method of the present invention initiates automatic cartridge catalog and cartridge move operations whenever a cartridge access port door is closed.

REFERENCES:
patent: 4527262 (1985-07-01), Manto
patent: 4864438 (1989-09-01), Munro
patent: 4932826 (1990-06-01), Moy et al.
patent: 4945429 (1990-07-01), Munro et al.
patent: 4980818 (1990-12-01), Shinmura
patent: 5164909 (1992-11-01), Leonhardt et al.

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