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11. 发明授权

US08285924B1 Cache control system 失效
标题翻译：缓存控制系统
公开(公告)号：US08285924B1
公开(公告)日：2012-10-09
申请号：US08364334
申请日：1994-12-27
申请人： Oded Cohn , Eliezer Dekel , Michael Rodeh
发明人： Oded Cohn , Eliezer Dekel , Michael Rodeh
IPC分类号： G06F12/08
CPC分类号： G06F1/3215 , G06F1/3275 , G06F12/0804 , G06F12/0866 , Y02D10/13 , Y02D10/14
摘要： A cache control system is disclosed for use with data storage apparatus having a movably mounted storage element, such as a magnetic or optical disk and solid-state cache memory, in which the storage element is not at operating speed when data access has not occurred during a predetermined time period, comprising means arranged to access data stored on the storage element if a read or write request cannot be satisfied via access to the cache memory and a cache replacement mechanism for transferring data between the cache memory and the storage element to maintain consistency of data therebetween. The system is characterized in that the cache replacement mechanism performs data transfers between the cache memory and the storage element only while the storage element is at operating speed after a read or write request has given rise to an access to the storage element.
摘要翻译：公开了一种与具有可移动安装的存储元件（例如磁盘或光盘和固态高速缓冲存储器）的数据存储设备一起使用的高速缓存控制系统，其中当数据访问未发生时存储元件不处于操作速度预定时间段，包括如果通过访问高速缓存存储器而不能满足读取或写入请求，以及用于在高速缓冲存储器和存储元件之间传送数据以保持一致性的高速缓存替换机构，则设置为访问存储在存储元件上的数据的装置的数据。该系统的特征在于，高速缓存替换机构仅在读或写请求已经引起对存储元件的访问之后才在存储元件处于操作速度的情况下在高速缓存存储器和存储元件之间执行数据传输。

12. 发明授权

US5490269A Radix sorting method and means for minimizing movement of elements having common prefixes 失效
标题翻译：基数分类方法和用于使具有公共前缀的元素的移动最小化的装置
公开(公告)号：US5490269A
公开(公告)日：1996-02-06
申请号：US3929
申请日：1993-01-13
申请人： Oded Cohn , Shmuel Gal , Yona Hollander , Dafna Sheinwald
发明人： Oded Cohn , Shmuel Gal , Yona Hollander , Dafna Sheinwald
IPC分类号： G06F7/24 , G06F7/08 , G06F7/10 , G06F7/22
CPC分类号： G06F7/24 , Y10S707/99937
摘要： A computer implemented method for speeding up the recursive most significant digit radix sorting of a set of record keys in which the keys are scanned for a shared or common prefix, coded according to the point in the key where they differ and the value of the differing digit, and processed such that during each dispersion phase the code words are used to speed processing by avoiding comparison matching of the prefixes, the recursive dispersion and collection phases continuing until singletons are reached. In the absence of shared prefixes the keys are normally recursively radix sorted.
摘要翻译：一种用于加速一组记录密钥的递归最高有效数字基数排序的计算机实现的方法，其中密钥被扫描用于共享或公共前缀，根据密钥中它们不同的点和不同的密钥的值进行编码数字和处理，使得在每个色散阶段期间，代码字用于通过避免前缀的比较匹配来加速处理，递归分散和收集阶段持续到单例。在没有共享前缀的情况下，密钥通常按递归排序。

13. 发明授权

US5241669A Method and system for sidefile status polling in a time zero backup copy process 失效
标题翻译：在时间零备份复制过程中进行侧文件状态轮询的方法和系统
公开(公告)号：US5241669A
公开(公告)日：1993-08-31
申请号：US871786
申请日：1992-04-20
申请人： Oded Cohn , Michael H. Hartung , William F. Micka , John N. McCauley, Jr. , Claus W. Mikkelsen , Kenneth M. Nagin
发明人： Oded Cohn , Michael H. Hartung , William F. Micka , John N. McCauley, Jr. , Claus W. Mikkelsen , Kenneth M. Nagin
IPC分类号： G06F3/06 , G06F11/00 , G06F11/14 , G06F12/00 , G06F12/16
CPC分类号： G06F11/1466 , G06F11/1458 , G06F11/1461 , G06F11/1469
摘要： A method and system are disclosed for enhanced efficiency of backup copying of designated datasets stored within a plurality of storage devices coupled to the data processing system via a storage subsystem control unit having subsystem memory therein. Application execution within the data processing system is temporarily suspended long enough to form a dataset logical-to-physical system address concordance to be utilized to administer copying of the designated dataset. Thereafter, application initiated updates to uncopied portions of the designated datasets are temporarily deferred until sidefiles of the affected portions of the designated datasets are written to subsystem memory. The updates are then written to the storage subsystem. Portions of the designated datasets are then accessed and copied from the storage subsystem on a scheduled or opportunistic basis utilizing selected data retrieval command sequences. A sidefile status query is appended to selected data retrieval command sequences and the presence of data within the subsystem memory is determined without the necessity of additional communications between the data processing system and the storage subsystem. The sidefiles are then accessed and copied. Copied portions of the designated datasets and sidefiles are then copied to alternate storage locations in a backup copy order defined by the address concordance.

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