发明名称 |
METHOD AND APPARATUS FOR ERROR RECOVERY IN ARRAYS |
摘要 |
Method and apparatus for error recovery in primary storage is provided by backup storage that stores a complete copy of primary storage. When a parity error is detected, the backup storage is used to replace data in the primary storage or the parity of primary storage. This apparatus is controlled by a processor controller which makes this replacement by comparing the primary storage, backup storage, and the primary parity storage. If after re-execution of the operation errors are still detected, the processor controller copies the data from primary storage to a secondary storage and retries the operation. <IMAGE> |
申请公布号 |
US5177744(A) |
申请公布日期 |
1993.01.05 |
申请号 |
US19900577352 |
申请日期 |
1990.09.04 |
申请人 |
INTERNATIONAL BUSINESS MACHINES CORPORATION |
发明人 |
CESARE, BRIAN K.;SLEGEL, TIMOTHY J.;WHITAKER, DARELL S. |
分类号 |
G06F11/10;G06F11/14;G06F11/16;G06F11/20;G06F12/16;G11C29/00 |
主分类号 |
G06F11/10 |
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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