2011-09-27 10:15:09 +0100, Stephane Chazelas: [...] > a btrfs file system of mine started to behave very poorly with > some btrfs kernel tasks taking 100% of CPU time. > > # btrfs fi show /dev/sdb > Label: none uuid: b3ce8b16-970e-4ba8-b9d2-4c7de270d0f1 > Total devices 3 FS bytes used 4.25TB > devid 2 size 2.73TB used 1.52TB path /dev/sdc > devid 1 size 2.70TB used 1.49TB path /dev/sda4 > devid 3 size 2.73TB used 1.52TB path /dev/sdb > > Btrfs v0.19-100-g4964d65 > > FS mounted with compress-force,noatime > > (Can't do a "filesystem df" just now, as there's a umount > running, there should be around 33% free). [...]
The umount just returned. # btrfs fi df /backup Data, RAID0: total=4.20TB, used=4.20TB Data: total=8.00MB, used=7.97MB System, RAID1: total=8.00MB, used=344.00KB System: total=4.00MB, used=0.00 Metadata, RAID1: total=162.75GB, used=59.30GB Metadata: total=8.00MB, used=0.00 It's now running fine again after reload of btrfs module and remount. -- Stephane -- 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
