Re: BTRF: no free space

[Qu Wenruo <quwenruo.btrfs@gmx.com>]

On 2023/10/23 17:25, Reindl Harald wrote:
>
>
> Am 22.10.23 um 23:33 schrieb Qu Wenruo:
>> On 2023/10/22 21:13, Reindl Harald wrote:
>>> this is a *new* filesystem and somewhere in the middle of the night at
>>> 10% usage a large rsync stopped because BTRF thinks the filesystem is
>>> full - how is this possible in 2023?
>>>
>>> Metadata, DUP: total=1.00GiB, used=945.61MiB
>>
>> Metadata is already exhausted. Thus no way to start balance.
>
> pervert on a fresh 2 TB filesystem with 200 GB data in 2023 especially
> because i found "btrfs filesystem resize -100M" as solution which worked
> and afterwards balance was possible again

Then this is a little different.

If you can later reclaim space, it means your previous deletion indeed
emptied several data chunks, but they are not removed until cleaner get
kicked in.

Thanks,
Qu
>
> nearly as laughable as a small ext4 filesystem come swith defualts that
> you get a warning it's not useable after 2038