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USING A SPACE RELEASE DATA STRUCTURE TO INDICATE TRACKS TO RELEASE FOR A SPACE RELEASE COMMAND TO RELEASE SPACE OF TRACKS
USING A SPACE RELEASE DATA STRUCTURE TO INDICATE TRACKS TO RELEASE FOR A SPACE RELEASE COMMAND TO RELEASE SPACE OF TRACKS
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机译:使用空间发布数据结构来指示跟踪以发布空间发布命令以发布跟踪空间
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摘要
Provided are a computer program product, system, and method for using a space release data structure to indicate tracks to release for a space release command to release space of tracks in a consistency group being formed. A space release command is received to free a release space of tracks in a source storage or target storage while transferring changed data in a consistency group to a target storage. A space release data structure is created indicating for each track of the tracks in the release space whether to release or not release the track. The space release data structure is initialized to indicate that each of the tracks is to be released. The tracks in the space release data structure are indicated to be released after the consistency group has completed.
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