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

[Orion Poplawski]

On 01/06/2012 11:16 AM, Lori Reed wrote:
> 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.

Note than you can change the amount of reserved space with tune2fs -r.


-- 
Orion Poplawski
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