The store and forward (SAF) facility stores messages locally when the Event Manager on a remote node is not available. When you enable SAF for a remote node and Event Management sends a message that cannot be delivered to the Event Console on that node, the message is added to a list. The message is forwarded when the node is again available.
SAF is implemented by a daemon that periodically wakes up and tries to reconnect to all nodes for which there is an SAF list. The SAF list is maintained on a node and day basis in a directory by the CA_OPR_SAF_ROOT environment variable specifies. Subdirectories are created for each node that is eligible for SAF and the stored messages are kept in them.
When an SAF message is finally sent to its destination, its message text is prefixed with:
QMSG date time
The prefixes to these messages let message actions differentiate between timely messages and messages delivered after some delay (were stored).
After a message is successfully forwarded, it is deleted from the SAF list.
Note: For information about implementing SAF, see the post‑installation tasks for Event Management in the Installation Guide.
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