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1. 发明申请

WO2006020774A2 DATA REPLICATION METHOD OVER A LIMITED BANDWIDTH NETWORK BY MIRRORING PARITIES 审中-公开
标题翻译：数据复制方法通过镜像对象进行有限的带宽网络
公开(公告)号：WO2006020774A2
公开(公告)日：2006-02-23
申请号：PCT/US2005/028565
申请日：2005-08-12
申请人： GEMINI STORAGE CORPORATION , YANG, Ken, Qing , DIPIPPO, John, P.
发明人： YANG, Ken, Qing , DIPIPPO, John, P.
IPC分类号： G06F11/00
CPC分类号： G06F11/2074 , G06F11/1076 , G06F11/1451 , G06F11/1464 , G06F11/2066 , G06F2211/1009 , G06F2211/1045 , G06F2211/1066
摘要： A method dramatically reduces the amount of data to be stored and transferred in a networked storage system. Preferably, the network storage system provides continued data protection through mirroring/replication, disk-to-disk backup, data archiving for future retrieval, and Information Lifecycle management (ILM). The idea is to leverage the parity computation that exists in RAID systems. By caching, transferring, and storing data parity or delta bytes of changes on a block as opposed to data block itself, substantial data reduction is possible without using sophisticated compression algorithms at the production side to minimize performance impacts upon production servers. Data can be computed using the parity/delta and previously existing data at mirror side, replication side, backup storage, or at retrieval time upon events such as failures or ILM operations.
摘要翻译：一种方法大大减少了要在网络存储系统中存储和传输的数据量。优选地，网络存储系统通过镜像/复制，磁盘到磁盘备份，用于将来检索的数据归档和信息生命周期管理（ILM））提供持续的数据保护。这个想法是利用RAID系统中存在的奇偶校验计算。通过缓存，传输和存储块上的数据奇偶校验或增量字节更改与数据块本身相反，可以在生产端不使用复杂的压缩算法实现大量数据减少，从而最大程度地降低对生产服务器的性能影响。数据可以使用奇偶校验/增量和以前存在的数据在镜像端，复制端，备份存储，或检索时间，例如故障或ILM操作。

2. 发明申请

WO2006020774A3 DATA REPLICATION METHOD OVER A LIMITED BANDWIDTH NETWORK BY MIRRORING PARITIES 审中-公开
标题翻译：数据复制方法通过镜像对象进行有限的带宽网络
公开(公告)号：WO2006020774A3
公开(公告)日：2007-04-19
申请号：PCT/US2005028565
申请日：2005-08-12
申请人： GEMINI STORAGE CORP , YANG KEN QING , DIPIPPO JOHN P
发明人： YANG KEN QING , DIPIPPO JOHN P
IPC分类号： G06F11/00
CPC分类号： G06F11/2074 , G06F11/1076 , G06F11/1451 , G06F11/1464 , G06F11/2066 , G06F2211/1009 , G06F2211/1045 , G06F2211/1066
摘要： A method dramatically reduces the amount of data to be stored and transferred in a networked storage system. Preferably, the network storage system provides continued data protection through mirroring/replication, disk-to-disk backup, data archiving for future retrieval, and Information Lifecycle management (ILM). The idea is to leverage the parity computation that exists in RAID systems. By caching, transferring, and storing data parity or delta bytes of changes on a block as opposed to data block itself, substantial data reduction is possible without using sophisticated compression algorithms at the production side to minimize performance impacts upon production servers. Data can be computed using the parity/delta and previously existing data at mirror side, replication side, backup storage, or at retrieval time upon events such as failures or ILM operations.
摘要翻译：一种方法大大减少了要在网络存储系统中存储和传输的数据量。优选地，网络存储系统通过镜像/复制，磁盘到磁盘备份，用于将来检索的数据归档和信息生命周期管理（ILM））提供持续的数据保护。这个想法是利用RAID系统中存在的奇偶校验计算。通过缓存，传输和存储块上的数据奇偶校验或增量字节更改与数据块本身相反，可以在生产端不使用复杂的压缩算法实现大量数据简化，从而最大限度地减少对生产服务器的性能影响。数据可以使用奇偶校验/增量和以前存在的数据在镜像端，复制端，备份存储，或检索时间，例如故障或ILM操作。

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