That's about my delta, excepting my Exchange backup.
On Tue, Jun 25, 2013 at 2:33 PM, Matthew W. Ross <[email protected]>wrote: > From: Kurt Buff > > That's fairly easy, IMHO. How much data do you gather in your daily > > increment/diff backups, as a percentage of your full backup? You can > > measure it in bytes, or in number of files. > > Looking at our old backups, it looks like we had about 1-2 GB deltas every > day. > > So, that would be 0.1% or 0.2% of the 1TB storage roughly, daily. > > > --Matt Ross > Ephrata School District > > > ----- Original Message ----- > From: Kurt Buff > [mailto:[email protected]] > To: [email protected] > Sent: Tue, 25 > Jun 2013 11:14:23 -0800 > Subject: Re: [NTSysADM] Wisdom of the crowds: > Backup > > > > On Tue, Jun 25, 2013 at 10:46 AM, Matthew W. Ross > > <[email protected]> wrote: > > > How do you accurately measure Volatility? My best guess would be "Not > very > > volatile". Most data is saved and unchanged. > > > > That's fairly easy, IMHO. How much data do you gather in your daily > > increment/diff backups, as a percentage of your full backup? You can > > measure it in bytes, or in number of files. > > > > <snip> > > > > >> But frankly, with only 1tb of data to preserve, it's looking more and > > >> more to me like a few 1-4tb USB disks and robocopy might be all you > > >> need, along with a spreadsheet and a set of labels to keep track of > > >> it. > > > > > > Agreed. This should not be a difficult solution. For some reason, when > you > > try to do something beyond the robocopy solution and have a "industry > > backed" solution, things tend to get difficult/expensive. > > > > Which is why I think using Robocopy and a few USB disks is your ideal > > solution. No commercial products required, IMHO. > > > > Kurt > > > > > > > > >
