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1. 发明授权

US10810054B1 Capacity balancing for data storage system 有权
公开(公告)号：US10810054B1
公开(公告)日：2020-10-20
申请号：US16524226
申请日：2019-07-29
申请人： HITACHI, LTD.
发明人： Pablo Martinez Lerin
IPC分类号： G06F9/50 , G06F3/06
摘要： In some examples, a computing device may determine an estimated available capacity at a future time for respective storage nodes of a plurality of storage nodes. The computing device may compare the estimated available capacity of a first one of the storage nodes at the future time with the estimated available capacity of a second one of the storage nodes at the future time. Based at least in part on determining that a difference between the estimated available capacity of the first storage node and the estimated available capacity of the second storage node exceeds a threshold difference, determining an amount of data to move from the first storage node. The computing device may cause data to be moved from the first storage node to cause the difference between the available capacity of the first storage node and the available capacity of the second storage node to be reduced.

2. 发明授权

US11687269B2 Determining data copy resources 有权
公开(公告)号：US11687269B2
公开(公告)日：2023-06-27
申请号：US17408545
申请日：2021-08-23
申请人： Hitachi, Ltd.
发明人： Pablo Martinez Lerin
IPC分类号： G06F3/06 , H04L43/16 , G06F9/50 , H04L43/0888
CPC分类号： G06F3/065 , G06F3/067 , G06F3/0613 , G06F9/5027 , H04L43/0888 , H04L43/16
摘要： In some examples, a computing device may determine an amount of pending data to copy over a network from a first storage system to a second storage system. Further, the computing device may determine an ingest speed based on a quantity of data received by the first storage system and a copy speed associated with one or more first computing resources associated with the first storage system. The computing device may determine an estimated time to copy at least a portion of the pending data to the second storage system to meet a data copy requirement. For instance, the estimated time may be based at least in part on the copy speed, the amount of pending data, and the ingest speed. In addition, at least one action may be performed based on the estimated time.

3. 发明授权

US11256440B2 Method and distributed storage system for aggregating statistics 有权
公开(公告)号：US11256440B2
公开(公告)日：2022-02-22
申请号：US16318036
申请日：2016-12-21
申请人： HITACHI, LTD.
发明人： Pablo Martinez Lerin , Mitsuo Hayasaka
IPC分类号： G06F12/00 , G06F3/06 , G06F13/00 , G06F13/28
摘要： A distributed storage system comprises a plurality of storage nodes which includes multiple resources including multiple kinds of resources. Each of the multiple storage nodes among the plurality of storage nodes is configured to execute an aggregation task which has been assigned to the storage node among aggregation tasks, Each of the aggregation tasks is a task for aggregating statistics relating to a resource among the multiple resources which corresponds to the task, to the storage node to which the task has been assigned.

4. 发明申请

US20160054946A1 SYSTEM AND METHOD FOR MANAGING LOGICAL VOLUMES 审中-公开
标题翻译：用于管理逻辑卷的系统和方法
公开(公告)号：US20160054946A1
公开(公告)日：2016-02-25
申请号：US14784946
申请日：2014-02-18
申请人： HITACHI, LTD.
发明人： Pablo Martinez Lerin , Jun Nakajima , Hironori Emaru , Yukinori Sakashita
IPC分类号： G06F3/06
CPC分类号： G06F3/0634 , G06F3/0604 , G06F3/061 , G06F3/0619 , G06F3/0665 , G06F3/0683 , G06F3/0685
摘要： A management system manages a plurality of logical volumes in a storage system coupled to a host system. The plurality of logical volumes includes a first logical volume provided to the host system and a second logical volume. The management system manages the second logical volume as a duplicate of the first logical volume and a first state volume which is provided to the host system. The management system changes the second logical volume to a second state volume associated with the first logical volume, which is not a logical volume provided to the host system and which is on standby for a future use by the host system. The management system manages a data difference between data stored in the second logical volume and data stored in the first logical volume associated with the second logical volume if data is newly stored in the first logical volume.
摘要翻译：管理系统管理耦合到主机系统的存储系统中的多个逻辑卷。多个逻辑卷包括提供给主机系统的第一逻辑卷和第二逻辑卷。管理系统将第二逻辑卷管理为第一逻辑卷的副本和提供给主机系统的第一状态卷。管理系统将第二逻辑卷更改为与第一逻辑卷相关联的第二状态卷，该第二逻辑卷不是提供给主机系统的逻辑卷，并且被备用以供主机系统将来使用。如果数据被新存储在第一逻辑卷中，则管理系统管理存储在第二逻辑卷中的数据与存储在与第二逻辑卷相关联的第一逻辑卷中的数据之间的数据差异。

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