No space left on device
hi,
I have an 80GB external HDD with one btrfs partition. Latest kernel module and btrfs-progs from "unstable" git repos.
# mount [...] /dev/sdb1 on /media/coolermaster type btrfs (rw)
# df -h [...] /dev/sdb1 75G 61G 15G 81% /media/coolermaster
It seems like i have 15GB free space on the btrfs formatted partition, but when i try to create a file of 4GB on the btrfs filesystem i get the following error:
root@alderaan:/media/coolermaster/tmp# dd if=/dev/zero of=foobar.img bs=1024 count=4000K dd: writing `foobar.img': No space left on device 3372894+0 records in 3372893+0 records out 3453842432 bytes (3.5 GB) copied, 321.087 s, 10.8 MB/s
syslog:
Dec 8 10:35:46 alderaan kernel: [30716.434747] device fsid 46489b7e62f254e0-e306291dd7724d8f devid 1 transid 283 /dev/sdb1 Dec 8 10:35:50 alderaan kernel: [30720.457774] space info full 36
Am i missing something (e.g. reserved space for root, etc.) obvious here?
Thanks,
--
mg
El Mon, 08 Dec 2008 10:46:25 +0100, Gabor MICSKO <[email protected]= m> escribi=C3=B3:
Quoted 5 lines
# df -h [...] /dev/sdb1 75G 61G 15G 81% /media/coolermaster =20 It seems like i have 15GB free space on the btrfs formatted partition=
,
Quoted 1 line
but when i try to create a file of 4GB on the btrfs filesystem i get =
the
Quoted 1 line
following error:
btrfs has an (artificial) limit of 85% of the space which won't be lift= ed until
the allocation code is mature. So you can't use the 100% for now...that --
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