Title:
ARRAY-TYPE RECORDING DEVICE, DEVICE SUBSTITUTING METHOD AND HOT STANDBY SYSTEM
Document Type and Number:
Japanese Patent JP3085088
Kind Code:
B2
Abstract:
PURPOSE: To provide a host standby function without giving excessive controllers.
CONSTITUTION: Drivers/receivers D/R0-D/R4 are connected to respective SCSI controllers SC0-SC4, and standby disk devices SP-0 to SP-2 are connected to them. The respective SCSI controllers access to standby disks by setting a received enable signal for the drivers/receivers to be preferential. ID4-ID6, which are not used, are allocated to the standby disk devices. When the disk device 0-2 breaks down, a RAID controller RC requests that the standby disk device SP-0 is substituted for the disk device 0-2 to the SCSI controller SC0.
Inventors:
Sei Yamamoto
Masahiro Mizuno
Toshio Matsumoto
Hiroshi Baba
Masahiro Mizuno
Toshio Matsumoto
Hiroshi Baba
Application Number:
JP10354394A
Publication Date:
September 04, 2000
Filing Date:
May 18, 1994
Export Citation:
Assignee:
Mitsubishi Electric Corporation
International Classes:
G06F11/20; G06F3/06; G11B20/18; (IPC1-7): G06F3/06; G06F3/06; G06F11/20
Domestic Patent References:
| JP5108277A | ||||
| JP2236714A | ||||
| JP1116963A | ||||
| JP5165581A | ||||
| JP6119125A | ||||
| JP3505935A |
Attorney, Agent or Firm:
Kaneo Miyata (2 outside)