I finally understood whats going on, thank you. On Tue, Jul 13, 2010 at 9:32 AM, jck <jck@xxxxxxxxxxxx> wrote: > 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
