On Thu, 25 Sep 2014 17:05:11 -0400, Dan Merillat wrote: > Deleting files or dropping snapshots is difficult when it's wedged as > well, a lot of disk activity (journal thrash?) and no persistent > progress - a reboot brigs the deleted files back. I eventually > managed to empty a single data chunk and after that it was a trivial > recovery. That's why I mentioned adding a second device - that will immediately allow cleanup with headroom. An additional 8GB tmpfs volume can works wonders. >> That particular workload seems to cause the block allocator to go >> on a spending spree; you're not the first to see this. > > I could see normal-user usage patterns getting ignored, but this is > the patterns of the people working on BTRFS. Maybe they need to > remove their balance cronjobs for a while. :) Well..some remedy is coming: https://git.kernel.org/cgit/linux/kernel/git/mason/linux-btrfs.git/commit/fs/btrfs?h=integration&id=47ab2a6c689913db23ccae38349714edf8365e0a Not sure how many preliminaries that patch needs, but if you are comfortable with patching/building your kernel you could give that a try. I'm sure Josef would love some feedback. Glad you're back on track. :) Holger -- 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
