Symantec 10521146 Administration Guide - Page 293
Configuring watchdog processes, Incidents, Filters, Incident Filter Options, Include Backup Nodes
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Advanced configuration 293 Establishing high availability failover ■ If the active node fails for any reason, a standby node takes over recording data. ■ If the original node comes back online, it resumes activity. There is no automatic recovery or failback. When the original node resumes activity, you must restart all nodes to reconnect. ■ If a node fails, the Network Security console automatically connects to the standby node in the same failover group. You can configure the Network Security console to display standby node information. The console automatically connects to and pulls incidents and events from the standby node. ■ New events automatically show up without reconfiguration, even though events from previous incidents before the failover is dependent on whether the masters were actually detecting traffic themselves, or acting as console servers only. ■ There is no failback when the Network Security console is concerned. If the original master comes back online, the Network Security console does not automatically switch back. ■ Response actions such as TrackBack that augment the incident may not be visible during a failover, as a result of storing the response events in the local event database of a given node. To view incidents from both active and standby nodes 1 On the Incidents tab, click Filters. 2 In Incident Filter Options, click Include Backup Nodes. If the network contains multiple nodes specified in a watchdog group, the incidents from all standby nodes are added to the incident table. See "Selecting incident filters" on page 205. 3 Click Apply. Note: SuperUsers can preserve failover incidents; Administrators, StandardUsers, and RestrictedUsers cannot. See "User groups reference" on page 319 for more about permissions. Configuring watchdog processes Symantec Network Security provides a set of parameters that you can use to configure watchdog processes. Watchdog processes monitor each node closely, and if a failure occurs on any node, Symantec Network Security makes a number of attempts to reboot or restart the downed node. If the attempts to reboot or