EFFICIENT CLONING OF LOGICAL STORAGE DEVICES

专利名称：EFFICIENT CLONING OF LOGICAL STORAGE

DEVICES

发明人：Sandeep Chandrashekhara,Michael

Ferrari,Jeffrey Wilson,Mark J. Halstead,ArtLongden

申请号：US16692742申请日：20191122

公开号：US20210157678A1公开日：20210527

专利附图：

摘要：A no-copy clone of a logical storage unit is created. A define process is initiated

for defining a target logical storage unit as the clone before activation of the targetlogical storage unit. By initiating the define process before activating the logical storageunit, there is a greater likelihood that, when a write operation is received for a dataportion on the source logical storage unit or target logical storage unit after activationof the target LSU, the data portion will already be defined and not need to be definedwhen performing the write operation. When a write operation is received at the sourcelogical storage unit, if the target logical storage unit is not active yet, the data of thewrite operation may be written to an allocated physical location for the data portionshared between the source and target logical storage units without updating any clonemetadata.

申请人：EMC IP Holding Company LLC

地址：Hopkinton MA US

国籍：US

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