help in backup

well i m nebie here and want your guys help i want to create a full backup of my server on weekl basis but whenever i click on create after making necessery changes it says that /backup does not exist my question is it that howw can i make backup of my acccount could csomeone please give me full information also when i click on "Service Statsus" link it shows that


Disk vzfs (/) 82%


i want to know what exactly is this Disk vzfs and how can i min it's load as my server have 50% of disk space free

please guide me foe these 2 options thanks

 

what about other option i mean DISK VZFS 82%

 

yes i m in VPs modulus

yes i m in vps modulus and i will surely ask them to setup a backup directory i also want to know that will my site close for that duration and one more thing i was doing some changes in packages on my vps and then sudenly all of my accounts quota reset to "0" only some accounts quota is ok those accounts whose quota have been set to 0 are custom based packages and were having no packages included i just setupped them my self without including in any package how can i set there quota back to used space from 0

Thanks