| 摘要 |
PROBLEM TO BE SOLVED: To provide a storage device capable of sharing data between a main frame system and an open system and requiring a low storage capacity. SOLUTION: This data sharing disk device connected to a plurality of host computer devices is provided with a plurality of virtual disk parts individually connected to a plurality of host computer devices, a plurality of network parts connected to a plurality of virtual disk parts, a controller part connected to the network parts, and a disk part connected to the controller part. Each of the virtual disk parts carries out communication with the host computer device according to a block access protocol and carries out communication with the controller part via the network part according to a file access protocol. The controller part performs communication with the disk part according to the block access protocol. COPYRIGHT: (C)2006,JPO&NCIPI
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