HP APA Lan Monitor with ServiceGuard

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Abstract[edit]

This article explains to detect configuration limitations of Auto Port Aggregation Aggreated Trunk and Lan Monitor (failover) features on a ServiceGuard A.11.17 and A.11.18 cluster.

Incorrect Lan Monitor configuration[edit]

APA Configuration[edit]

NODE_NAME                       wphvp4763

POLLING_INTERVAL                10000000
DEAD_COUNT                      3

LM_RAPID_ARP                    off
LM_RAPID_ARP_INTERVAL           1000000
LM_RAPID_ARP_COUNT              10

FAILOVER_GROUP          lan900                    <--- Lan Monitor APA
        STATIONARY_IP   10.91.56.164
        PRIMARY         lan2    5 
        STANDBY         lan4    3

Cluster configuration[edit]

CLUSTER_NAME            ach

NODE_NAME               wphvp4649
  NETWORK_INTERFACE     lan0
    HEARTBEAT_IP        192.192.192.2
  NETWORK_INTERFACE     lan900
    HEARTBEAT_IP        10.91.56.163

FIRST_CLUSTER_LOCK_PV           /dev/dsk/c3t3d0

NODE_NAME               wphvp4763
  NETWORK_INTERFACE     lan0
    HEARTBEAT_IP        192.192.192.1
  NETWORK_INTERFACE     lan900
    HEARTBEAT_IP        10.91.56.164              <--- Lan Monitor APA used as Heartbeat is not supported!!!

FIRST_CLUSTER_LOCK_PV           /dev/dsk/c3t3d0

HEARTBEAT_INTERVAL              1000000
NODE_TIMEOUT            2000000

AUTO_START_TIMEOUT      600000000
NETWORK_POLLING_INTERVAL        2000000

NETWORK_FAILURE_DETECTION               INOUT

MAX_CONFIGURED_PACKAGES         150

VOLUME_GROUP            /dev/vg_lock

Reference[edit]

Authors[edit]