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Figure b-5 mc/serviceguard redundant data and hear – HP UX B6941-90001 User Manual

Page 507

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Appendix B

507

Administration of MC/ServiceGuard

How MC/ServiceGuard Works

Figure B-5

MC/ServiceGuard Redundant Data and
Heartbeat Subnets

The heartbeat interval is set in the SG cluster configuration file.
Heartbeat time-out is the length of time that the SG cluster will wait for
a node’s heartbeat before performing a transfer of package.

Subnet B

Bridge

Package A

Package B

Package C

NODE 2

NODE 1

Primary LAN: Heartbeat/Data

Dedicated Heartbeat LAN

Subnet A

LAN 1

LAN 3

LAN 0

Standby LAN: Heartbeat/Data