In contrast to a shared hosting account where the data is backed up by the service provider, if you use a virtual or a dedicated server you'll have to keep manual backups as such a service isn't supplied by default. As good as a server might be, there is always a chance that something might go wrong. For example, you can delete some content by mistake or a script-driven app could get damaged after an update. If you have a backup, you shall not have to concern yourself with this type of problems since the content can be easily restored. Since it may not be quite handy to do this regularly on your end, we supply an optional backup service for all our hosting server solutions and we shall store a copy of your content on a separate machine to make certain that it's undamaged no matter what. With the upgrade, you could work on your server without worrying that you could lose any data due to any reason.