The present invention relates to a SCSI tape drive method and apparatus for a toll computer system and includes a CT command conversion module (52) for receiving and analyzing commands from a tape server (21), a TC initialization module (51) A CT command execution module 53 for executing the converted command, an SHA home ware 60, an interrupt module 54 for processing an interrupt upon command input, and an interrupt command A command execution result notification module 55 and an error processing module 56 to improve the interface performance between the device and the device.
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