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公开(公告)号：US10353818B1
公开(公告)日：2019-07-16
申请号：US13779177
申请日：2013-02-27
申请人： EMC Corporation
IPC分类号： G06F12/08 , G06F12/0846
摘要： A method, article of manufacture, system and apparatus for reducing data transfer and backup duration using a client side dataset paging cache. Backups may be associated with given datasets. Loading the same dataset previous backups pages and champions into memory will improve backups performance.
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公开(公告)号：US09940069B1
公开(公告)日：2018-04-10
申请号：US13779127
申请日：2013-02-27
申请人： EMC Corporation
CPC分类号： G06F3/0655 , G06F3/061 , G06F3/065 , G06F3/067 , G06F11/1453 , G06F12/12
摘要： A method, article of manufacture, apparatus, and system for a paging cache is disclosed. The backup cache may be broken into pages, and a subset of these pages may be memory resident. The pages may be sequentially loaded into memory to improve cache performance.
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公开(公告)号：US09892014B1
公开(公告)日：2018-02-13
申请号：US14500485
申请日：2014-09-29
申请人： EMC Corporation
CPC分类号： G06F11/3452 , G06F3/0616 , G06F3/0647 , G06F3/0689 , G06F11/008
摘要： Exemplary methods for determining performance degradation of one or more disks at a storage system include analyzing disk performance statistics of a target storage system periodically collected during a storage of data from a source storage system to the target storage system, wherein the target storage system is a redundant array of inexpensive disks (RAID) storage system comprising of one or more arrays, each array comprising of a plurality of disks. The methods further include creating a predictive model based on the analysis of the collected performance statistics, and predicting, using the predictive model, that one or more disks of an array of the one or more arrays of the RAID storage system has degraded in performance.
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