HP UX B6941-90001 - Manual (Page 505)

Appendix B 505
Administration of MC/ServiceGuard
How MC/ServiceGuard Works
Figure B-2 MC/ServiceGuard Package Switchover: After the Switch
Example 2: MC/ServiceGuard Local Network
Switching
The example below shows two SG nodes connected by one virtual LAN.
LANs 0 and 1 are connected by a bridge and act as one subnet. Node 1
and node 2 communicate by way of LAN 0. LAN 1 is in standby mode.
Figure B-3 MC/ServiceGuard LAN Switchover: Before the Switch
Package
C Mirror
Bridge
Package A Package F
Package E
Package D Package C
Root 1 Root 2 Root 3
Root 2
Mirror
Node 1 Node 2 Node 3
Package
A Disk Package
F Disk Package
E Disk Package
D Disk Package
C Disk Package
B Disk
Package
A Mirror Package
D Mirror Package
F Mirror Package
E Mirror Package
B Mirror
LAN 0
LAN 1
Bridge
LAN 1 LAN 0 LAN 1 LAN 0
NODE 1 NODE 2
LAN 0
LAN 1