Red Hat Bugzilla – Bug 814950
btrfsctl -r: No space left on device
Last modified: 2013-02-13 10:12:00 EST
Description of problem:
Cannot shrink btrfs filesystem.
Version-Release number of selected component (if applicable):
Steps to Reproduce:
df -h /
btrfsctl -r 65g /
Filesystem Size Used Avail Use% Mounted on
rootfs 141G 54G 78G 41% /
ioctl:: No space left on device
no error and Size -> 65G
Due to Bug 759304 and btrfs performance blocking regular work I tried to escape but I can't, I have to connect an external hard drive now.
last kernel messages before the error:
[5267156.576364] btrfs: relocating block group 70896320512 flags 1
[5267156.630795] btrfs: relocating block group 67675095040 flags 1
[5267160.274982] btrfs: relocating block group 64453869568 flags 1
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