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On 2012-10-25 21:21, Goffredo Baroncelli wrote:
> Hi all,
>
> this is a new attempt to improve the output of the command "btrfs
> fi df".
Below you can see another iteration. I tried to address all the cwillu
requests, which to me make sense.
I thought a lot about chunk/disks vs disk/chunks, and I reached the
conclusion that we could need both. In order to avoid a too long and
redundant output, my idea is to have three different commands:
1) btrfs filesystem df <path> -> which show what it is called
summary
2) btrfs filesystem disk-usage <path> -> which show what is called
"Detail"
3) btrfs device disk-usage <path> -> which is like 2) but grouped
by disk instead of chunks.
This is an idea about which I want some comments. The example below
show the latest results. I want to point out that I was not able to
show the chunk usage per disk, because I don't have this information.
The patches are not shaped to be showed, however the code is pullable from
http://cassiopea.homelinux.net/git/btrfs-progs-unstable.git
branch
info-cmd (commit f90e55e7)
$ sudo ./btrfs fi df /mnt/btrfs1/
Path: /mnt/btrfs1
Summary:
Disk_size: 21.00GB
Disk_allocated: 1.83GB
Disk_unallocated: 19.17GB
Used: 284.00KB
Free_(Estimated): 15.76GB (Max: 20.54GB, min: 10.96GB)
Data_to_disk_ratio: 75 %
Allocated_area:
Data,Single: Size:8.00MB, Used:0.00
/dev/vdb 8.00MB
Data,RAID0: Size:921.75MB, Used:256.00KB
/dev/vdb 307.25MB
/dev/vdc 307.25MB
/dev/vdd 307.25MB
Metadata,Single: Size:8.00MB, Used:0.00
/dev/vdb 8.00MB
Metadata,RAID1: Size:460.94MB, Used:24.00KB
/dev/vdb 460.94MB
/dev/vdd 460.94MB
System,Single: Size:4.00MB, Used:0.00
/dev/vdb 4.00MB
System,RAID1: Size:8.00MB, Used:4.00KB
/dev/vdc 8.00MB
/dev/vdd 8.00MB
Unallocated:
/dev/vdb 2.23GB
/dev/vdc 2.69GB
/dev/vdd 2.24GB
/dev/vdf 12.00GB
Disks:
/dev/vdb 3.00GB
Data,Single: 8.00MB
Data,RAID0: 307.25MB
Metadata,Single: 8.00MB
Metadata,RAID1: 460.94MB
System,Single: 4.00MB
Unallocated: 2.23GB
/dev/vdc 3.00GB
Data,RAID0: 307.25MB
System,RAID1: 8.00MB
Unallocated: 2.69GB
/dev/vdd 3.00GB
Data,RAID0: 307.25MB
Metadata,RAID1: 460.94MB
System,RAID1: 8.00MB
Unallocated: 2.24GB
/dev/vdf 12.00GB
Unallocated: 12.00GB
- --
gpg @keyserver.linux.it: Goffredo Baroncelli (kreijackATinwind.it>
Key fingerprint BBF5 1610 0B64 DAC6 5F7D 17B2 0EDA 9B37 8B82 E0B5
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