On Sat, Jun 04, 2016 at 09:27:13AM +0300, Andrei Borzenkov wrote: > 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?
Yes, it will. Andrei's assertion is, I'm afraid, incorrect. Hugo. -- Hugo Mills | There's many a slip 'twixt wicket-keeper and gully. hugo@... carfax.org.uk | http://carfax.org.uk/ | PGP: E2AB1DE4 |
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