Selective write control
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United States of America Patent
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Oct 10, 2017
Grant Date -
Dec 29, 2016
app pub date -
Jun 29, 2015
filing date -
Jun 29, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
Provided are a computer program product, system, and method for selective write control in accordance with the present description. In one aspect, a write operation which is associated with a read operation, may be selectively discarded if write operations have been disabled and if the write operation is directed to update a designated write operation acceptance area such as metadata associated with the target data set, for example. As a result, the read operation may be permitted to proceed and will not fail because the associated write operation was discarded rather than attempting to commit the write operation to the designated write operation acceptance area, thereby avoiding an error condition for a storage unit such as a volume, in which write operations have been disabled. Accordingly, applications which seek to perform read operations may be permitted to access data stored on such a volume. Other aspects are described.
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