Bug#1116067: linux-image-6.1.0-32-amd64: btrfs compression quietly stopped around 60TB in

[james young <pronoiac@gmail.com>]

> On Oct 22, 2025, at 10:03 AM, Uwe Kleine-König <u.kleine-koenig@baylibre.com> wrote:
> 
> Hello,
> 
>> On Tue, Oct 14, 2025 at 09:05:17PM -0500, james young wrote:
>> [... some btrfs issues ...]
>> 
>> Any thoughts or suggestions?
> 
> Last time I seeked for help with an btrfs related problem I was asked to
> share the output of
> 
>    btrfs filesystem usage /
> 
> (replace / with the respective path if this isn't about the rootfs).
> 
> Maybe that would be helpful here, too.
> 
> Best regards
> Uwe
> <signature.asc>

Good timing with this; I'm about to blow this file system away. 

Overall:
    Device size:                   1.00PiB
    Device allocated:             48.46TiB
    Device unallocated:          975.54TiB
    Device missing:                  0.00B
    Device slack:                    0.00B
    Used:                         48.35TiB
    Free (estimated):            975.64TiB      (min: 975.64TiB)
    Free (statfs, df):           975.64TiB
    Data ratio:                       1.00
    Metadata ratio:                   1.00
    Global reserve:              512.00MiB      (used: 0.00B)
    Multiple profiles:                  no

Data,single: Size:48.31TiB, Used:48.21TiB (99.78%)
   /dev/loop0     48.31TiB

Metadata,single: Size:151.01GiB, Used:150.10GiB (99.40%)
   /dev/loop0    151.01GiB

System,single: Size:36.00MiB, Used:5.06MiB (14.06%)
   /dev/loop0     36.00MiB

Unallocated:
   /dev/loop0    975.54TiB

-James