Re: Understanding "btrfs filesystem usage"

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On Tue 2018-10-30 (17:10), Ulli Horlacher wrote:
> 
> On Mon 2018-10-29 (17:57), Remi Gauvin wrote:
> 
> > On 2018-10-29 02:11 PM, Ulli Horlacher wrote:
> > 
> > > I want to know how many free space is left and have problems in
> > > interpreting the output of: 
> > > 
> > > btrfs filesystem usage
> > > btrfs filesystem df
> > > btrfs filesystem show
> > 
> > In my not so humble opinion, the filesystem usage command has the
> > easiest to understand output.  It' lays out all the pertinent information.
> > 
> > You can clearly see 825GiB is allocated, with 494GiB used, therefore,
> > filesystem show is actually using the "Allocated" value as "Used".
> > Allocated can be thought of "Reserved For".
> 
> And what is "Device unallocated"? Not reserved?

The answer is in the FAQ and I am stupid not to looked at it, first :-}

https://btrfs.wiki.kernel.org/index.php/FAQ#How_much_free_space_do_I_have.3F


-- 
Ullrich Horlacher              Server und Virtualisierung
Rechenzentrum TIK         
Universitaet Stuttgart         E-Mail: horlacher@xxxxxxxxxxxxxxxxxxxx
Allmandring 30a                Tel:    ++49-711-68565868
70569 Stuttgart (Germany)      WWW:    http://www.tik.uni-stuttgart.de/
REF:<20181030161003.GA25765@xxxxxxxxxxxxxxxxxxxx>



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