Did you already try this?? [1]: btrfs fi balance start -dusage=5 /mnt/nas3 Cheers, dan [1] https://btrfs.wiki.kernel.org/index.php/Problem_FAQ#I_get_.22No_space_left_on_device.22_errors.2C_but_df_says_I.27ve_got_lots_of_space On Sun, Feb 16, 2014 at 2:58 PM, Goswin von Brederlow <goswin-v-b@xxxxxx> wrote: > Hi, > > I'm getting a ENOSPC error from btrfs despite there still being plenty > of space left: > > % df -m /mnt/nas3 > Filesystem 1M-blocks Used Available Use% Mounted on > /dev/mapper/nas3-a 19077220 18805132 270773 99% /mnt/nas3 > > % btrfs fi show > Label: none uuid: 4b18f84e-2499-41ca-81ff-fe1783c11491 > Total devices 1 FS bytes used 17.91TiB > devid 1 size 18.19TiB used 17.94TiB path /dev/mapper/nas3-a > > Btrfs v3.12 > > % btrfs fi df > Data, single: total=17.89TiB, used=17.88TiB > System, DUP: total=32.00MiB, used=1.92MiB > Metadata, DUP: total=25.50GiB, used=24.89GiB > > As you can see there are still 270GiB free and plenty of block groups > free on the device too. > > So why isn't btrfs allocating a new block group to store more data? > > MfG > Goswin > -- > To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
