4.0.0 HP Polyserve Matrix Server Event Notification Guide (T5392-96053, March 2010)

1 Overview
Matrix Server generates an event message when an error condition or failure occurs
or when the status of the matrix changes. To provide an audit trail of matrix
operations, a message is also generated when a user requests and is granted or
denied authorization to perform a task.
Event messages are logged and can be viewed either with the Matrix Event Viewer
provided with the HP PolyServe Management Console or with command-line tools.
Certain events called Alerts are also displayed on the Management Console. Alerts
are tracked by Matrix Server and are automatically cleared when the issue is resolved.
Matrix Server also provides event notifier services that can be configured to take a
specific action (generate an SNMP trap, send email, or run a script) when certain
events occur.
Event logs
When an event message is generated on a server, Matrix Server logs the message
in the matrix event log. This log exists on each server and contains messages that
were logged on that server and on the other servers in the matrix.
The message is also sent to the Matrix Server mxlogd process, which takes these
actions:
• Sends the message to the event notifier services configured on the server. If the
message has been selected to trigger a notifier service, the appropriate action
will take place (send an SNMP trap, send email, or run a script).
• Sends the message to all servers in the matrix. The servers, including the server
where the event occurred, copy the message into their own matrix logs.
If the mxlogd process was not running when the event occurred, there will be a
delay in transmitting the message to the event notifier services and to the servers in
the matrix.
The mxlogd process transmits the event message only one time. If a server is down
at the time of the transmission, the message will not appear in the matrix log on that
server.
Overview4