Re: Help with space

Chris Murphy
2014-02-28T06:26:05Z

On Feb 27, 2014, at 11:13 PM, Chris Murphy <lists@colorremedies.com> wrote:

>
> On Feb 27, 2014, at 11:19 AM, Justin Brown <otakujunction@gmail.com> wrote:
>
>> terra:/var/lib/nobody/fs/ubfterra # btrfs fi df .
>> Data, single: total=17.58TiB, used=17.57TiB
>> System, DUP: total=8.00MiB, used=1.93MiB
>> System, single: total=4.00MiB, used=0.00
>> Metadata, DUP: total=392.00GiB, used=33.50GiB
>> Metadata, single: total=8.00MiB, used=0.00
>
> After glancing at this again, what I thought might be going on might not be going on. The fact it has 17+TB already used, not merely allocated, doesn't seem possible if there's a hard 16TB limit for Btrfs on 32-bit kernels.
>
> But then I don't know why du -h is reporting only 13T total used. And I'm unconvinced this is a balance issue either. Is anything obviously missing from the file system?

What are your mount options? Maybe compression?

Clearly du is calculating things differently. I'm getting:

du -sch = 4.2G
df -h = 5.4G
btrfs df = 4.7G data and 620MB metadata(total).

I am using compress=lzo.

Chris Murphy