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CONTAP-469157: Unexpected node reboot during back-end switch firmware upgrade

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ontap-9
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metrocluster
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Issue

During back-end switch firmware update on MetroCluster IP systems, using software iWARP (AFF-A220, AFF-A250), a node can experience an unexpected reboot: 
Example: 
PANIC: Received PANIC packet from partner, receiving message is (Coredump and takeover initiated because Connectivity, Liveliness and Availability Monitor (CLAM) has determined this node is out of quorum.) in SK process mcc_ic_kill_pkt_handler on release 9.14.1P8 (C) on Wed Feb  5 09:42:15 UTC 2025

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