[lug] df discrepancies between used, available and total size

[Lori Reed]

On 01/06/2012 12:47 AM, Anthony Foiani wrote:

> karl horlen<horlenkarl at yahoo.com>  writes:
>
>> is there space set aside / reserved when the partition is relatively
>> empty?
>
> Assuming this is ext2 (or ext3 or ext4), then yes, it's reserved.
> Dunno about XFS and other alternate FSs.  BTRFS, in particular, has a
> very wonky concept of "free space".

A while back, when formatting a couple of 1.5 TB USB drives, I noticed 
that EXT4 reserved noticeably more space than XFS. I don't recall the 
exact number, but it was on the order of several GB.

Lori Reed
http://www.lightning-rose.com/
http://som3000.sourceforge.net/