JPH03119236U - - Google Patents
Info
- Publication number
- JPH03119236U JPH03119236U JP2883290U JP2883290U JPH03119236U JP H03119236 U JPH03119236 U JP H03119236U JP 2883290 U JP2883290 U JP 2883290U JP 2883290 U JP2883290 U JP 2883290U JP H03119236 U JPH03119236 U JP H03119236U
- Authority
- JP
- Japan
- Prior art keywords
- disk device
- disk
- volatile memory
- mirrored
- address
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000002159 abnormal effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Hardware Redundancy (AREA)
Description
図は本考案の一実施例を示す構成ブロツク図で
ある。
１……計算機、２１，２２……デイスク装置、
３……デイスクインターフエイス、４……不揮発
性メモリ、５１，５２……アドレスセレクタ。
The figure is a block diagram showing an embodiment of the present invention. 1... Computer, 21, 22... Disk device,
3...Disk interface, 4...Nonvolatile memory, 51, 52...Address selector.
Claims (1)
同一内容のデータを記録し、片方のデイスク装置
が故障してもシステムが継続動作するように構成
したミラードデイスク装置において、 各デイスク装置の動作の正常／異常を記憶する
不揮発性メモリと、 この不揮発性メモリの出力により各デイスク装
置のアドレスを変更するアドレスセレクタと を設けたことを特徴とするミラードデイスク装置
。[Scope of Claim for Utility Model Registration] In a mirrored disk device that is equipped with two disk devices, records the same data on each disk device, and is configured so that the system continues to operate even if one of the disk devices fails. , A mirrored disk device comprising: a non-volatile memory that stores normal/abnormal operation of each disk device; and an address selector that changes the address of each disk device based on the output of the non-volatile memory.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2883290U JPH03119236U (en) | 1990-03-20 | 1990-03-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2883290U JPH03119236U (en) | 1990-03-20 | 1990-03-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03119236U true JPH03119236U (en) | 1991-12-09 |
Family
ID=31531620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2883290U Pending JPH03119236U (en) | 1990-03-20 | 1990-03-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03119236U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61250720A (en) * | 1985-04-30 | 1986-11-07 | Toshiba Corp | Magnetic disc controller |
-
1990
- 1990-03-20 JP JP2883290U patent/JPH03119236U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61250720A (en) * | 1985-04-30 | 1986-11-07 | Toshiba Corp | Magnetic disc controller |
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