On 02/03/2017 06:30 PM, Jorg Bornschein wrote: > February 3, 2017 11:26 PM, "Goldwyn Rodrigues" <rgold...@suse.com> wrote: > >>> Hi, >>> >>> I'm currently running a balance (without any filters) on a 4 drives raid1 >>> filesystem. The array >>> contains 3 3TB drives and one 6TB drive; I'm running the rebalance because >>> the 6TB drive recently >>> replaced a 2TB drive. >>> >>> I know that balance is not supposed to be a fast operation, but this one is >>> now running for ~6 days >>> and it managed to balance ~18% (754 out of about 4250 chunks balanced (755 >>> considered), 82% left) >>> -- so I expect it to take another ~4 weeks. >>> >>> That seems excessively slow for ~8TiB of data. >>> >>> Is this expected behavior? In case it's not: Is there anything I can do to >>> help debug it? >> >> Do you have quotas enabled? > > > I might have activated it when playing with "snapper" -- I remember using > some quota command without knowing what it does. > > How can I check its active? Shall I just disable it wit "btrfs quota > disable"? >
To check your quota limits: # btrfs qgroup show <mountpoint> To disable # btrfs quota disable <mountpoint> Yes, please check if disabling quotas makes a difference in execution time of btrfs balance. -- Goldwyn -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html