Techniques for performing data operations spanning more than two data partitions

Techniques for performing data operations spanning more than two data partitions

Two data operations, such as write operations, may be processed at a same time in which the two write operations operate on a same address range span. A first of the write operations may write to the first track and the last track in the span but not tracks therebetween. When processing the first wr...

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Hauptverfasser: Hwang, Pei-Ching, Scharland, Michael J, Don, Arieh, Halligan, Kenneth A
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creator Hwang, Pei-Ching
Scharland, Michael J
Don, Arieh
Halligan, Kenneth A
description Two data operations, such as write operations, may be processed at a same time in which the two write operations operate on a same address range span. A first of the write operations may write to the first track and the last track in the span but not tracks therebetween. When processing the first write operation, a lock for the first track is obtained and the data is written to the first track data. A lock for the last track is obtained and it is determined whether all tracks between the first and last tracks are unlocked. If so, data is written to the last track. If not, steps of releasing and then reacquiring the lock for the last track and determining whether intervening tracks are locked are repeated until the intervening tracks are not locked. The last track is then written.
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title Techniques for performing data operations spanning more than two data partitions
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