I noticed that the first hard drive that came with my laptop was slowly filling up though I was not adding any new files to it: at the time I was running Windows Vista. I made the Upgrade to Windows 7 and grabbed a new hard drive to copy all my data over, reformatted the old one to use as backup and Storage of Music and etc. The first hard drive is now my backup drive, and the main hard drive is what I run programs on/install programs to. My system protection settings are set to manual, and I only have two system restore files at any given time. One from when I first upgraded, and a new one whenever I install large program or fix an issue. Yet somehow, the :\SytemVolumeInformation file on the backup drive continues to grow, and is beginning to seriously impact the amount of space I have left on the hard drive (100/500 GB). Some may not consider this to be so bad, but I do music mixing and the backups I've learned to make of the sound libraries I use in order to not waste a day reloading them all are relatively tiny overall, except that I have quite a few. The total amount of everything on the hard drive apart from the file comes to just over 310GB, while the new hard drive has just over 70/320GB. Ordinarily I wouldn't worry about this except that the SystemVolume File keeps growing at a rather alarming rate.
I discovered this growth while using Piriform Defraggler, and comparing the logs I had between one week and the next, over the course of a month where I have added nothing to either drive, the file has grown substantially larger everyday, but not really in a pattern. It went from 34GB, which I could understand, to roughly 80, which I cannot, over two weeks, and now another 20 GB in a week.
My Music libraries are not backed up by System Restore, so I cannot think of them being responsible for this huge file. If anyone can explain to me why this is happening, even if there is no way to fix it, I would greatly appreciate it.