Title:
ディスクアレイコントローラ及びディスクアレイ装置
Document Type and Number:
Japanese Patent JP3581727
Kind Code:
B2
Abstract:
A disk array controller or a disk array system includes a disk array control unit having an MPU 8 and a user data transfer control unit having host interfaces 3 and 4 with a host computer 17, a memory 5 for temporarily storing data, a redundant data generator 7 for generating redundant data, multi-channel disk device interfaces 16a SIMILAR 16e and 12a SIMILAR 12e and a data transfer control circuit (DMAC) 6 for controlling the data transfer between the host interface, the memory, the redundant data generator and the disk device interface. Internal buses are of at least three-bus structure including a control bus (for MPU) 15, a host data bus 13 and a drive data bus 14.
Inventors:
Masatoshi Ichikawa
Soichi Isono
Honda Seishi
Jun Matsumoto
Hidehiko Iwasaki
Soichi Isono
Honda Seishi
Jun Matsumoto
Hidehiko Iwasaki
Application Number:
JP27742294A
Publication Date:
October 27, 2004
Filing Date:
November 11, 1994
Export Citation:
Assignee:
株式会社日立製作所
International Classes:
G06F13/10; G06F3/06; G06F11/10; (IPC1-7): G06F3/06; G06F13/10
Domestic Patent References:
| JP4259025A | ||||
| JP64078351A | ||||
| JP6242888A |
Attorney, Agent or Firm:
Katsuo Ogawa
Akio Takahashi
Hiroo Nagasaki
Akio Takahashi
Hiroo Nagasaki