Re: "No space left on device" and balance doesn't work

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02.06.2016 15:56, Austin S. Hemmelgarn пишет:
> 
> In your particular situation, what's happened is that you have all the
> space allocated to chunks, but have free space within those chunks.
> Balance never puts data in existing chunks, and you can't allocate any
> new chunks, so you can't run a balance.  However, because of that free
> space in the chunks, you can still use the filesystem itself for
> 'regular' filesystem operations.
> 

How balance decides where to put data from chunks it frees? I.e. let's
say I have one free data chunk and 10 chunks filled to 10%. Will "btrfs
ba start -dusage=10" pack data from all 10 chunks into single one, this
freeing 10 chunks for further processing?
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