I’m trying to find a rule or guide for determining the amount of disk space I should allot to Avast! We use Avast! on our student laptops, which also use DeepFreeze from Faronics. I setup a thawspace and created junctions to redirect Avast!'s program files, program data, and registry entries to the thawspace using Data Igloo from Faronics also.
I guess what I would really like help with is answering a few questions from people that have experience with Avast!
How long have you been running it on the machine?
How big is your “defs” folder under the avast program files directory structure?
How far back do your virus defs go, such as 20140816---- folders under defs?
Here is a general poll I did on 10 machines in our network that have had the client installed for 5 months - 1 year.
C:\Program Files\Avast Software - 800MB - 1GB
C:\ProgramData\Avast Software - 20-30MB MB (Not sure why mine are so much lower than Schiecspam’s)
I started out by giving Avast! a 1GB thawed space to work with. I used Faronics Data Igloo to redirect the ProgramData, ProgramFiles and the registry branch. After a month or so, I started noticing computers were reporting that they were not protected. Investigation into the matter revealed that the 1Gb thawspace was full and the “defs” folder was over 300Mb and the individual folders dated back over 3 weeks.
I have since then upped the thawspace size to 2GB on all new deployments. After several weeks, I checked on the disk usage of a few clients and noticed that Avast! was using only about 900Mb. It has been like this on several clients I have looked at.