I'm the author of the BackWPup Plugin.
I have the following Problem and hop you can help me.
I can see and have useres of my Plugin they say me that:
On shedueld Backups (wp-cron) the backup will made multibele times.
If i have a system without W3 Total Cache there are no Problems.
Can you help me resolve this Problem.
The settings of the job will storred in the wp Options. I wirte a timestamp in when teh next run is.
I have made a shedule that run every 5 min. but i see the the job runs all 1-3 mins.