Do you have any kernel processes running constantly? Any taking near 100% of a CPU?
--rich On Sep 20, 2010, at 14:24, Dave Cundiff <syshack...@gmail.com> wrote: > Hi, > > I have a btrfs backup system that has been running great. Its been > backing up 6 systems with 500-750 gigs of data using Rsync and > snapshots. Every night I snapshot the backup and overwrite it. > Recently it has been unable to complete the backups. Its running soooo > slow that it can barely finish 1 backup a day. When I first started > backing up the systems they would all complete in at the most 8 hours. > I noticed it started happening after I deleted a large number of > snapshots. This caused the cleaner process to run for a few days. > After it finished the filesystem has still been to slow to use. > > I'm running kernel 2.6.36-rc4. > > Filesystem was built with -m single -d single and using the compress > mount option. > > Block device is an Areca RAID5 with 4 Western Digital 2TB drives. > > -- > Dave Cundiff > System Administrator > A2Hosting, Inc > http://www.a2hosting.com > -- > 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 -- 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