> Don't forget that, in general, deleting a snapshot does nothing - if the > original files are still there (or any other snapshots of the same files > are still there). In my experience, if you *really* need space urgently > you are best of starting with deleting some big files *and* all the > snapshots containing them, rather than starting by deleting snapshots. > > If you are doing balances with low space, I find it useful to watch > dmesg to see if the balance is hitting problems finding space to even > free things up. > > However, one big advantage of btrfs is that you can easily temporarily > add a small amount of space while you sort things out. Just plug in a > USB memory stick, and add it to the filesystem using 'btrfs device add'. > > I don't recommend leaving it as part of the filesystem for long - it is > too easy for the memory stick to fail, or for you remove it forgetting > how important it is, but it can be useful when you are trying to do > things like remove snapshots and files or run balance. Don't forget to > use btrfs device remove to remove it - not just unplugging it!
Yes that's why i deleted all snapshots. I had also added a ramdisk to work around the low memory problem during balance but without success. Any other ideas to fix this?