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公开(公告)号：GB2578846B
公开(公告)日：2020-10-21
申请号：GB202000451
申请日：2018-07-24
Applicant: IBM
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公开(公告)号：GB2578846A
公开(公告)日：2020-05-27
申请号：GB202000451
申请日：2018-07-24
Applicant: IBM
Inventor： JOSHUA CRAWFORD , NEDLAYA YAZZIE FRANCISCO , GREGORY MCBRIDE , NICOLAS MARC CLAYTON , CAROL MELLGREN , THERESA MARY BROWN , MATTHEW WARD , THEODORE TIMOTHY HARRIS JR , DAMIAN TRUJILLO
Abstract: A primary storage controller for use with a host and a primary storage system at a first location, the primary storage system having a primary storage controller and at least one storage unit controlled by the primary storage controller and configured to store a plurality of data units, and a secondary storage system at a second location remote from the first location, the secondary storage system having a secondary storage controller and at least one storage unit controlled by the secondary storage controller and configured to store a plurality of data units, the primary storage controller comprising data replication logic which includes data mirroring logic, consistency group logic, snap copy generation logic, state determination logic and delay logic.
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公开(公告)号：GB2501657B
公开(公告)日：2017-07-26
申请号：GB201314942
申请日：2012-01-10
Applicant: IBM
Inventor： BETH ANN PETERSON , THERESA MARY BROWN , NEDLAYA YAZZIE FRANCISCO , SUGUANG LI , MATTHEW JOSEPH KALOS
IPC: G06F11/20
Abstract: A plurality of logical volumes are stored at a plurality of sites. A command to execute an operation on a logical volume is received. A determination is made as to whether a rule associated with the logical volume permits execution of the operation on the logical volume. In response to determining that the rule associated with the logical volume permits execution of the operation on the logical volume, the operation is executed on the logical volume.
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