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LossConnDelete

The creator of the note pad specifies the LOSSCONNDELETE keyword to indicate whether XCF should automatically initiate note pad delete processing when a loss of connectivity to the coupling facility containing the note pad is experienced by all systems with connectors to the note pad. If LOSSCONNDELETE=NO is specified or defaulted to, then XCF will not automatically initiate note pad delete processing. If LOSSCONNDELETE=YES is specified, then XCF will automatically initiate note pad delete processing when a loss of connectivity to the coupling facility containing the note pad is experienced by all systems with connectors to the note pad.

An application might use LOSSCONNDELETE=YES, if the application would like to perform recovery processing when a loss of connectivity to the coupling facility containing the note pad is experienced by all systems with connectors to the note pad. Without this protocol it would be difficult for the application to determine the scope of the loss of connectivity among the systems with connectors to the note pad and thus be difficult to start any recovery procedures. Delete processing provides a trigger point to fence access to the note pad and allow applications to perform their recovery procedures. An example recovery procedure could be failing over to a backup note pad contained in another coupling facility.

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