> 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?

Reply via email to