I ran btrfs filesystem balance but now it has become like this: Metadata: total=5.00GB, used=507.25MB Data: total=113.58GB, used=89.51GB System: total=32.00MB, used=24.00KB On Tue, Jul 13, 2010 at 7:23 AM, jck <jck@xxxxxxxxxxxx> wrote: > I tested it and the partition gets filled at 123.58 GB, the 60GB is > getting wasted. is there anything i can do about this? > > On Tue, Jul 13, 2010 at 6:46 AM, Chris Mason <chris.mason@xxxxxxxxxx> wrote: >> On Sat, Jul 10, 2010 at 07:22:26AM +0530, jck wrote: >>> Hello, >>> when i check diskspace usage of a btrfs partition using df i get the >>> wrong free space, this is expected i think. >> >> We do try to take the raid levels into account during df, but only for >> the space that is already allocated. >> >>> However even when i use 'btrfs filesystem df' I get wrong freespace: >>> Data: total=123.58GB, used=87.31GB >>> Metadata: total=61.00GB, used=396.29MB >>> System: total=32.00MB, used=16.00KB >>> >>> Does this mean that after the 123 GB of 'Data' fills up I wont be able >>> to add more stuff to the partition? >>> I'm using btrfs-progs-git (jul 10) >> >> This does reflect the space that is allocated, but the drive itself may >> have more free space. btrfs filesystem show will give you a few more >> details. >> >> Basically btrfs allocates from the drive in chunks of about 1GB and then >> puts the file data or metadata into those chunks. So if you do a mkfs >> and then create one file, you might have 1TB of space on the drive that >> hasn't been allocated yet. >> >> -chris >> >> > -- 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
