Sudden increase in latency latency during an onsite intervention

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Views:: 53

Visibility:: Public

Votes:: 0

Category:: metrocluster

Specialty:: nas

Last Updated:

Applies to

MetroCluster IP

Issue

Sudden increase in latency has been observed while an onsite intervention was ongoing
Following CP toolong caused by the flapping link messages reported in EMS:

Wed Feb 16 18:53:53 +0000 [netapp01-02: intr: netif.linkDown:info]: Ethernet e0b: Link down, check cable. Wed Feb 16 18:53:55 +0000 [netapp01-02: intr: netif.linkUp:info]: Ethernet e0b: Link up. Wed Feb 16 18:55:28 +0000 [netapp01-02: wafl_exempt14: wafl.cp.toolong:error]: Aggregate aggr0_netapp01_02 experienced a long CP. Wed Feb 16 18:55:28 +0000 [netapp01-02: wafl_exempt14: wafl.cp.toolong:error]: Aggregate dnetapp05_02_NVME_SSD_1 experienced a long CP. Wed Feb 16 18:58:58 +0000 [netapp01-02: intr: netif.linkDown:info]: Ethernet e0b: Link down, check cable. Wed Feb 16 18:59:00 +0000 [netapp01-02: intr: netif.linkUp:info]: Ethernet e0b: Link up. Wed Feb 16 19:00:13 +0000 [netapp01-02: wafl_exempt13: wafl.cp.toolong:error]: Aggregate aggr0_netapp01_02 experienced a long CP. Wed Feb 16 19:00:13 +0000 [netapp01-02: wafl_exempt10: wafl.cp.toolong:error]: Aggregate netapp01_02_NVME_SSD_1 experienced a long CP. Wed Feb 16 19:30:14 +0000 [netapp01-02: intr: netif.linkDown:info]: Ethernet e0b: Link down, check cable. Wed Feb 16 19:30:14 +0000 [netapp01-02: intr: netif.linkUp:info]: Ethernet e0b: Link up.