Don't understand df/du output

Alain AUDEBERT aka 2A deuza at
Fri Aug 12 23:14:23 UTC 2011

>> I have try a tunefs -m 1 /dev/xbd6, unmount, mount and nothing change
>> Is it the 8% reserved by FFS ?
> Yes

Maybe it's important, but it's not an hard disk, just a Xen volume !
So maybe we can't tunefs it ?


   Version: 3.1
   GIT/MU/S/SS d--(---)@ s++:++>+ a C++>+++ UBLS+++>++++$
   P+++ L E--- W++ N++ o+ K- w--(---) O M+(++) V PS++ PE-- Y++
   PGP+ !t !5 X++>+ R-- tv- b++ DI++ D+ G++ e+++ h++>+ r y*
    ------END GEEK CODE BLOCK------

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