ESXi host showing as
Disconnected in vCenter Server is a known issue in ESXi 6.x.
Symptoms:
- ESXi hosts appear as Not Responding in vCenter Server.
- Running esxcli commands on the ESXi host fail with the error:
Error interacting with configuration file /etc/vmware/lunTimestamps.log: Timeout while waiting for lock, /etc/vmware/lunTimestamps.log.LOCK, to be released. Another process has kept this file locked for more than 30 seconds. The process currently holding the lock is smartd(PID). This is likely a temporary condition. Please try your operation again.
Note: PID is the process ID for the smartd service.
- In the /var/log/hostd.log file, you see entries similar to:
Error interacting with configuration file /etc/vmware/lunTimestamps.log: Timeout while waiting for lock, /etc/vmware/lunTimestamps.log.LOCK, to be released. Another process has kept this file locked for more than 30 seconds. The process currently holding the lock is smartd(PID). This is likely a temporary condition. Please try your operation again.
- In the /var/log/syslog.log file, you see entries similar to:
<YYYY-MM-DD><time> Unknown: out of memory [PID]</time>
Note: The preceding log excerpts are only examples. Date, time, and environmental variables may vary depending on your environment.