esx.problem.visorfs.ramdisk.inodetable.full
Summary
Host ramdisk reached the limit for the number of files it can contain.
Causes
Host ramdisk reached the limit for the number of files. No additional files can be created on it.
Resolutions
Check for the files you can safely delete from the ramdisk. For more information, see this VMware KB article.
External
Refer to the VMware Online Documentation for more information on vCenter event messages and possible solutions.