Receiving buffer credits by a plurality of channels of one or more host computational devices for transmitting data to a control unit
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United States of America Patent
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Jan 9, 2018
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app pub date -
May 20, 2015
filing date -
May 20, 2015
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Abstract
A channel of a host computational device sends a command to transfer data to a control unit included in a storage controller. The channel of the host computational device receives a number of buffer credits from the control unit for communication with the control unit, where the number of buffer credits that is received is based on the control unit monitoring a number of transfer ready operations and a number of retry operations during a monitoring period while communicating with a plurality of channels that includes the channel.
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