What you don’t need while you are checking your morning emails and drinking your first cup of coffee of the day is to receive an email saying that the VSM for the Nexus 1k has rebooted.
By the time we logged on to the Nexus 1000v, it was back up. “show system redundancy status” showed both VSM’s (supervisors) as being up and HA. The “show version” and “show logs” definitely revealed a reload though – the uptime was less than an hour, and the logs were only as recent as the reload.
Well that’s good then. It’s back up, it’s in HA. No service disruptions – the VEM’s kept forwarding traffic, exactly as they should. Pressure off, let’s just figure out why it happened and make sure it doesn’t happen again. Cue one of the VMware guys shouting over – “Is there any reason why we can’t vMotion any VM’s? It says the distributed switch is unavailable!”Continue reading