Setting Timeouts And Intervals - HP StorageWorks 8000 - NAS User Manual

Setting Timeouts and Intervals

4 In the Quorum Server field, type the hostname for the Quorum server on
your network.
5 Click OK.
Note This section applies only if you have purchased a high-
availability NAS solution.
Before you proceed, you must stop the clustering services to edit the
information.
The values you set on this screen let you determine the rate at which problems
on the NAS server are detected. You can set timeouts and intervals for the
Quorum server, heartbeat, and network-failure detection. Recommended
values appear automatically in the fields.
Keep in mind:
If you enter low values, problems will be detected sooner but susceptibility
I
to high network traffic will be greater.
If you enter high values, problems will not be detected quickly but false
I
failovers will occur less frequently.
To edit timeouts and intervals:
1 In the Command View NAS web interface, click the Configuration tab.
2 Navigate down the tree to High Availability, then select Cluster
Properties.
3 Select Actions > Edit Timeouts and Intervals.
4 Enter values in minutes and seconds in the following fields:
— Quorum Server Polling Interval: Time between polling attempts
between a cluster node and the Quorum server.
— Heartbeat Interval: Time between heartbeat messages from one cluster
member to another. This value should be at least half of the Node
Timeout value.
— Network Polling Interval: Interval for polling the network interfaces for
link status to determine that they can still send and receive data. This
value determines how quickly network failures are detected.
Configuring Your System and Network 63