发明名称 |
Memory unit backup using checksum. |
摘要 |
<p>A memory system backup for use in a tightly or loosely coupled multiprocessor system. A plurality of primary memory units (13, 14, 15) having substantially the same configuration are backed up by a single memory unit (20) of similiar configuration. The backup memory unit holds the checksum of all data held in all primary memory units. In the event of the failure of one of the primary memory units its contents can be recreated based on the data in the remaining non-failed memory unit and the checksum in the backup unit.</p> |
申请公布号 |
EP0297507(A2) |
申请公布日期 |
1989.01.04 |
申请号 |
EP19880110297 |
申请日期 |
1988.06.28 |
申请人 |
INTERNATIONAL BUSINESS MACHINES CORPORATION |
发明人 |
DISHON, YITZHAK;GEORGIOU, CHRISTOS JOHN |
分类号 |
G06F12/16;G06F11/10 |
主分类号 |
G06F12/16 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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