You are out of metadata, not "normal space". However, the good question is why 0.5GB of metadata are unused and btrfs reports no space left. I have seen similar behaviour on a machine of mine, with exactly 0.5GB of metadata unused.
Regards 2013/8/26 Russell Coker <[email protected]>: > Linux xev 3.10-2-amd64 #1 SMP Debian 3.10.5-1 (2013-08-07) x86_64 GNU/Linux > > I've attached a file of script output from a system running the above Debian > kernel on a system with an Intel 120G SSD. To get this working again I > extended the filesystem in question to also use a small USB flash device (4G > from memory) and then deleted some old snapshots to free some space. > > The most intereting part of the script output is pasted below. The system > reports that the filesystem is 82% full but that there is no space left. > > root@xev:~# df -h / > Filesystem Size Used Avail Use% > Mounted on > /dev/disk/by-uuid/586e6f48-2985-4115-9f89-f844b319c7c0 108G 87G 21G 82% > / > root@xev:~# btrfs filesystem df / > Data: total=101.57GB, used=81.50GB > System, DUP: total=8.00MB, used=20.00KB > System: total=4.00MB, used=0.00 > Metadata, DUP: total=3.00GB, used=2.50GB > Metadata: total=8.00MB, used=0.00 > root@xev:~# ls -l > test > bash: test: No space left on device > root@xev:~# touch test > touch: cannot touch ‘test’: No space left on device > root@xev:~# > > -- > My Main Blog http://etbe.coker.com.au/ > My Documents Blog http://doc.coker.com.au/ -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
