Tuesday, June 13, 2017

SQL Cluster connection problem after removing a node

After removing a node from SQL Cluster – some machines trying to access the DB.
investigation discovered a ping timeout exactly every 5 minutes.
5 minutes is the default timeout of ARP entries.
Checking the ARP during the ping timeouts discovered the MAC address of the removed SQL node.
Shutting the node down solved the issue.
IP Conflicts…

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