スイッチレスクラスタシステムでネットワークポートのフラッピングが観察される
環境
- AFFシステム
- FASシステム
- スイッチレス構成
- クラスタポートを介して直接接続されたノード
問題
- リンクが常にフラッピングしていると、クラスタネットワークのネットワークポートがダウンします：
[Node-01: kernel: netif.linkDown:info]: Ethernet e0c: Link down, check cable.[Node-01: vifmgr: vifmgr.portdown:notice]: A link down event was received on node Node-01, port e0c.[Node-01: vifmgr: vifmgr.clus.linkdown:EMERGENCY]: The cluster port e0c on node Node-01 has gone down unexpectedly.[Node-01: vifmgr: vifmgr.portup:notice]: A link up event was received on node Node-01, port e0c.[Node-01: vifmgr: vifmgr.port.monitor.failed:error]: The "link_flapping" health check for port e0c (node Node-01) has failed. The port is operating in a degraded state.[Node-01: vifmgr: callhome.clus.net.degraded:alert]: Call home for CLUSTER NETWORK DEGRADED: Frequent Link Flapping - Cluster port e0c on node Node-01 has experienced multiple link down notifications.- ポートのデグレードにより移動されているLIFに関する複数のメッセージ。
[Node-01: vifmgr: vifmgr.portDeg.lifMoved:notice]: LIF Node-01_clus2 (on virtual server 1234567890), IP address 169.254.202.133, is being moved to node Node-01, port e0d from node Node-01, port e0c because the port's health status is in a degraded state.
[Node-01: vifmgr: vifmgr.portDeg.lifMoved:notice]: LIF Node-01_clus2 (on virtual server 1234567890), IP address 169.254.202.133, is being moved to node Node-01, port e0c from node Node-01, port e0c because the port's health status is in a degraded state.
[Node-01: vifmgr: vifmgr.portDeg.lifMoved:notice]: LIF Node-01_clus1 (on virtual server 1234567890), IP address 169.254.104.99, is being moved to node Node-01, port e0d from node Node-01, port e0c because the port's health status is in a degraded state.
[Node-01: vifmgr: vifmgr.portDeg.lifMoved:notice]: LIF Node-01_clus1 (on virtual server 1234567890), IP address 169.254.104.99, is being moved to node Node-01, port e0c from node Node-01, port e0c because the port's health status is in a degraded state.
[Node-01: vifmgr: vifmgr.lifmoved.linkdown:notice]: LIF Node-01_clus2 (on virtual server 1234567890), IP address 169.254.202.133, is being moved to node Node-01, port e0d.
[Node-01: vifmgr: vifmgr.lifmoved.linkdown:notice]: LIF Node-01_clus1 (on virtual server 1234567890), IP address 169.254.104.99, is being moved to node Node-01, port e0d.
Port Health Degraded Reasonsを表示link_flappingはNETWORK-PORTS.XML内
