A ESXi VMware host, a server that hosts virtual machines, experienced an issue which caused several services/servers to become unavailable.
Users trying to access services and servers located on the host. These included:
The affected users were not able to connect to the above services/servers.
Start: 2015/02/23 20:35 – Monitoring systems discovered a problem with multiple services/servers.
2015/02/23 21:00 – IT support analysts began working on the issue.
2015/02/23 21:30 – The affected host was rebooted to bring the virtual machines back online. The affected virtual machines were then transferred to other hosts.
End: 2015/02/23 22:35 – All services/servers were confirmed restored.
Further investigation determined that a setting on the Host Bus Adapter (HBA) is the cause.
The virtual host was rebooted to bring the affected virtual machines back on line. The affected virtual machines were migrated to other hosts.
A change in the configuration of the affected hosts has been recommended by the vendor to resolve the issue.