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    • 2. 发明授权
    • Priority replication
    • 优先复制
    • US09026559B2
    • 2015-05-05
    • US13170735
    • 2011-06-28
    • Stefan BernboChristian MelanderRoger PerssonGustav Petersson
    • Stefan BernboChristian MelanderRoger PerssonGustav Petersson
    • G06F17/30G06F15/173
    • G06F17/30575G06F11/1662G06F11/2094G06F17/30215H04L67/1095H04L67/1097H04L69/40
    • A method for maintaining a data storage system is disclosed. The method may include monitoring a first data storage node. The method may also include detecting a condition regarding the first data storage node, and the condition may indicate that at least one file stored on the first data storage node is to be replicated. The method may also include updating a replication list based on detecting the condition, and the replication list may include an identification of the at least one file and priority information for replication of the at least one file. The method may include performing a data replication procedure based on the replication list, where the data replication procedure may include sending a first multicast message to a plurality of other data storage nodes requesting identification of a second data storage node that maintains a copy of the at least one file.
    • 公开了一种维护数据存储系统的方法。 该方法可以包括监视第一数据存储节点。 该方法还可以包括检测关于第一数据存储节点的条件,并且条件可以指示要复制存储在第一数据存储节点上的至少一个文件。 该方法还可以包括基于检测条件来更新复制列表,并且复制列表可以包括用于复制至少一个文件的至少一个文件的标识和优先级信息。 该方法可以包括基于复制列表执行数据复制过程,其中数据复制过程可以包括向多个其他数据存储节点发送第一多播消息,请求识别保持at的副本的第二数据存储节点 至少一个文件。
    • 3. 发明授权
    • Method for data retrieval from a distributed data storage system
    • 从分布式数据存储系统进行数据检索的方法
    • US08769138B2
    • 2014-07-01
    • US13224433
    • 2011-09-02
    • Stefan BernboChristian MelanderRoger PerssonGustav Petersson
    • Stefan BernboChristian MelanderRoger PerssonGustav Petersson
    • G06F15/16
    • G06F17/30386G06F17/30206G06F17/30371H04L67/10
    • There is provided a method and server for retrieving data from a data storage system including a plurality of storage nodes. The method may include sending a multicast message to at least a subset of the storage nodes. The multicast message may include a request for the subset of storage nodes to send the data. The multicast message may further include a data identifier, indicating the data to be retrieved. Moreover, the method may include receiving data from a first storage node of the subset of storage nodes. The data received from the first storage node may correspond to the requested data. At least the act of sending a multicast message or the act of receiving data from the first storage node may be performed on a condition that an estimated size of the data is less than a predetermined value.
    • 提供了一种用于从包括多个存储节点的数据存储系统检索数据的方法和服务器。 该方法可以包括向存储节点的至少一个子集发送多播消息。 多播消息可以包括对存储节点的子集的请求以发送数据。 多播消息还可以包括指示要检索的数据的数据标识符。 此外,该方法可以包括从存储节点的子集的第一存储节点接收数据。 从第一存储节点接收的数据可以对应于所请求的数据。 至少发送多播消息的动作或从第一存储节点接收数据的动作可以在数据的估计大小小于预定值的条件下执行。
    • 9. 发明申请
    • DISTRIBUTED DATA STORAGE
    • 分布式数据存储
    • US20160212212A1
    • 2016-07-21
    • US15084445
    • 2016-03-29
    • COMPUVERDE AB
    • Stefan BernboChristian MelanderRoger PerssonGustav Petersson
    • H04L29/08
    • G06F16/27G06F11/1662G06F11/2094G06F16/1844H04L67/1095H04L67/1097H04L69/40
    • A method for maintaining a data storage system is disclosed. The method may include monitoring for receipt of a first broadcast message from a first data storage node, where the first broadcast message may indicate that the first data storage node is operating correctly. The method may also include detecting that the first data storage node is malfunctioning based on not receiving the first broadcast message for a predetermined period of time. The method may also include initiating a data replication procedure based on detecting that the first data storage node is malfunctioning. The data replication procedure may include sending a first multicast message to a plurality of data storage nodes requesting identification of a second data storage node that maintains a copy of a file stored on the first data storage node.
    • 公开了一种维护数据存储系统的方法。 该方法可以包括监视从第一数据存储节点接收第一广播消息,其中第一广播消息可以指示第一数据存储节点正确地操作。 该方法还可以包括基于在预定时间段内没有接收到第一广播消息来检测第一数据存储节点是否发生故障。 该方法还可以包括基于检测到第一数据存储节点故障而启动数据复制过程。 数据复制过程可以包括向多个数据存储节点发送第一多播消息,请求识别维护存储在第一数据存储节点上的文件的副本的第二数据存储节点。