When I look at a vm tasks and events the following is showing up on all the vm's at some point.
Guest operation Delete File performed.
info
6/18/2014 7:47:42 AM
Con6xF-Fs02
root
Guest operation Delete File performed.
info
6/18/2014 7:47:42 AM
Con6xF-Fs02
root
Guest operation Initiate File Transfer From Guest performed.
info
6/18/2014 7:47:42 AM
Con6xF-Fs02
root
Guest operation List Processes performed.
info
6/18/2014 7:47:42 AM
Con6xF-Fs02
root
Guest operation List Processes performed.
info
6/18/2014 7:47:31 AM
Con6xF-Fs02
root
Guest operation List Processes performed.
info
6/18/2014 7:47:17 AM
Con6xF-Fs02
root
Guest operation Start Program performed.
info
6/18/2014 7:47:09 AM
Con6xF-Fs02
root
Guest operation Create Temporary File performed.
info
6/18/2014 7:47:09 AM
Con6xF-Fs02
root
Guest operation Initiate File Transfer To Guest performed.
info
6/18/2014 7:47:08 AM
Con6xF-Fs02
root
Guest operation Create Temporary File performed.
info
6/18/2014 7:47:08 AM
Con6xF-Fs02
root
Thank you ..
Looks like a file is being deleted in the host:
Guest OS Operations - Delete File
Are you maybe running vSphere's databackup?
We are not running vsphere's databackup.
What file is being created and deleted? This is something that seems to happen on it on that is using the root user.
Check your CRON on that system and see if there is any schedule jobs setup. What kind of OS is this?