Re: space info full

[Josef Bacik <jbacik@redhat.com>]

On Sat, Oct 04, 2008 at 09:45:55AM +0200, Martin B=FCrger wrote:
> Hello,
> 'space info full' was the only message I got from dmesg. df reports:
>

space info full doesn't mean the disk is full, just means we've allocat=
ed all of
the block group chunks that the filesystem can hold, so you will get th=
at
message well before you actually run out of disk space.  As it stands n=
ow btrfs
has a short circuit when you hit ~15% free to go ahead an ENOSPC to avo=
id
hitting the many BUG()'s that are sitting around to handle ENOSPC.
=20
> /dev/sdb1             33551720  28504548   5047172 =20
> 85% /mnt/btrfstest
>=20
> df -i reports:
> /dev/sdb1                  0       0       0    -  /mnt/btrfstest
>=20
> Any (e.g., touch, rm) operation on that mounted filesystem lets the=20
> CPU rise and the system hang...
>

are you running the latest git trees of both btrfs-unstable and
btrfs-progs-unstable?  I'd expect BUG()'s or something like that, shoul=
dn't be
getting hangs.  Thanks,

Josef=20
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