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1. 发明申请

WO2014097344A1 FILE SERVER, INFORMATION SYSTEM, AND CONTROL METHOD THEREOF 审中-公开
标题翻译：文件服务器，信息系统及其控制方法
公开(公告)号：WO2014097344A1
公开(公告)日：2014-06-26
申请号：PCT/JP2012/008046
申请日：2012-12-17
申请人： HITACHI, LTD.
发明人： KABANO, Shigeyuki , SAIKA, Nobuyuki , FUKATANI, Takayuki
IPC分类号： G06F17/30
CPC分类号： G06F17/30215 , G06F17/30171 , G06F17/30221 , G06F17/30578
摘要： A file server is coupled to a plurality of user terminals and a remote file server. The file server, stores, in a storage device, data of files received from the plurality of user terminals, replicates the files to the remote file server, stubs the files stored in the storage device, and, upon receiving an access request from the user terminal, reads out data of the file from the storage device and transmits the data to the user terminal if a file related to the access request is not stubbed, and, recall data of the file from the remote file server and transmits data of the file to the user terminal if a file related to the access request is stubbed. The file server replicates, to the remote file server, data of a user who performs a session disconnection request to the file server within a certain time in preference to another user.
摘要翻译：文件服务器耦合到多个用户终端和远程文件服务器。文件服务器在存储装置中存储从多个用户终端接收到的文件的数据，将文件复制到远程文件服务器，存储存储在存储装置中的文件，并且在接收到来自用户的访问请求时终端，从存储装置读出文件的数据，并且如果与访问请求相关的文件没有被保留，则将数据发送到用户终端，并且从远程文件服务器回收该文件的数据并发送该文件的数据如果与访问请求相关的文件被扼杀，则发送给用户终端。文件服务器在远程文件服务器中将优先于另一用户的特定时间内执行会话断开请求的用户的数据复制到文件服务器。

2. 发明申请

WO2013093957A1 COMPUTER SYSTEM AND RECLAMATION CONTROL METHOD 审中-公开
标题翻译：计算机系统与回收控制方法
公开(公告)号：WO2013093957A1
公开(公告)日：2013-06-27
申请号：PCT/JP2011/007086
申请日：2011-12-19
申请人： HITACHI, LTD. , KABANO, Shigeyuki , SAIKA, Nobuyuki
发明人： KABANO, Shigeyuki , SAIKA, Nobuyuki
IPC分类号： G06F17/30
CPC分类号： G06F17/30088 , G06F17/30138
摘要： A computer system and reclamation control method capable of effectively utilizing storage resources of a storage system even under the circumstance where the storage system is operated according to thin provisioning and a file server can obtain snapshots. The present invention is designed so that if a block, to which a host does not refer, but reference from a snapshot remains, exists in a virtual volume of an operation volume, temporary data is written to this block; and as triggered by this writing, data before writing is saved to a difference volume, so that the reference from the snapshot to this block is released and then this block can be reclaimed.
摘要翻译：即使在根据精简配置操作存储系统的情况下，能够有效利用存储系统的存储资源的计算机系统和回收控制方法也可以获得快照。本发明被设计成使得如果主机未引用但是从快照引用的块仍然存在于操作卷的虚拟卷中，则将该临时数据写入该块; 并且在此写入触发时，写入前的数据将保存到差异卷中，以便释放从快照到此块的引用，然后可以回收该块。

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