Troubleshooting cluster HA or DRS
Problems with cluster HA or DRS may occur at any time. If you have a problem with vSphere HA, you must first check the HA logs stored in the /var/log/fdm.log directory. A typical problem can occur during the installation of the fdm agent (HA agent) to the ESXi host. Logs where to check are located in /var/log/esxupdate.log.
If you have a problem with the /root partition space, it is possible to control the partition through CLI through the command vdf.
Other possible problems in the cluster can be related to VMkernel ports, VMs reservation on the target host and wrong network time. If the time is not synced in the VMware environment you can have issues. Another typical vMotion issue is often due to misconfiguration ...
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