Plesk CP config question

[poke]

Hey All,
I've come across this in Plesk 7.5.2 under Server>Preferences:

When calculating disk space usage, count?
1 file size
2 amount of disk space used

What's exactly is the difference? Sorry is this is a stupid question!

 

[Cranky]

Take a 5KB file for example, if your filesystem is configured to use 4KB blocks, the 5KB file will take up 8KB space on the filesystem, i.e. rounding up to the nearest multiple of 4KB's. "File size" counts this file as 5KB, "amount of disk space used" counts this as 8KB.

 

[poke]

Got it! Thanks for your help