esx.problem.vmfs.ats.support.lost
Summary
ATS (Atomic Test & Set) support has been lost for this VMFS volume.
Causes
There is a storage configuration issue with this device. Review the event description for detail on the cause.
Resolutions
Review storage configuration. Review VMware online documents such as vSphere Storage Guide to resolve issues.
External
Refer to the VMware Online Documentation for more information on vCenter event messages and possible solutions.