Am Samstag, 23. Februar 2013 schrieb Goffredo Baroncelli:
> Hi all,
Hi Goffredo,
> I updates my previous patches [1] to add support for raid5/6.
> These patches update the btrfs fi df command and add two new commands:
> - btrfs filesystem disk-usage <path>
> - btrfs device disk-usage <path>
Tested-By: Martin Steigerwald <martin@xxxxxxxxxxxx>
Only for -d single and -m single, I have RAID-1 at workstation at work,
but will take some time till I get to office again.
No RAID-5/6 setup at the moment. So test obviously not complete yet.
merkaba:~> /tmp/btrfs fi sh
failed to read /dev/sr0
Label: 'home' uuid: […]
Total devices 1 FS bytes used 196.11GB
devid 1 size 223.52GB used 204.02GB path /dev/dm-2
Label: 'debian' uuid: […]
Total devices 1 FS bytes used 10.69GB
devid 1 size 18.62GB used 17.02GB path /dev/dm-0
Btrfs v0.19-367-g711b24a
/:
merkaba:~> /tmp/btrfs fi df /
Disk size: 18.62GB
Disk allocated: 17.02GB
Disk unallocated: 1.61GB
Used: 10.69GB
Free (Estimated): 7.93GB (Max: 7.93GB, min: 7.13GB)
Data to disk ratio: 100 %
merkaba:~> /tmp/btrfs fi disk-usage /
Data,Single: Size:16.01GB, Used:10.14GB
/dev/dm-0 16.01GB
Metadata,Single: Size:1.01GB, Used:565.34MB
/dev/dm-0 1.01GB
System,Single: Size:4.00MB, Used:4.00KB
/dev/dm-0 4.00MB
Unallocated:
/dev/dm-0 1.61GB
merkaba:~> /tmp/btrfs fi disk-usage -t /
Data Metadata System
Single Single Single Unallocated
/dev/dm-0 16.01GB 1.01GB 4.00MB 1.61GB
======= ======== ====== ===========
Total 16.01GB 1.01GB 4.00MB 1.61GB
Used 10.14GB 565.34MB 4.00KB
merkaba:~> /tmp/btrfs dev disk-usage /
/dev/dm-0 18.62GB
Data,Single: 16.01GB
Metadata,Single: 1.01GB
System,Single: 4.00MB
Unallocated: 1.61GB
/home (quite fresh fs):
merkaba:~#129> /tmp/btrfs fi df /home
Disk size: 223.52GB
Disk allocated: 204.02GB
Disk unallocated: 19.50GB
Used: 196.11GB
Free (Estimated): 27.40GB (Max: 27.40GB, min: 17.66GB)
Data to disk ratio: 100 %
merkaba:~> /tmp/btrfs fi disk-usage /home
Data,Single: Size:202.01GB, Used:194.67GB
/dev/dm-2 202.01GB
Metadata,Single: Size:2.01GB, Used:1.44GB
/dev/dm-2 2.01GB
System,Single: Size:4.00MB, Used:48.00KB
/dev/dm-2 4.00MB
Unallocated:
/dev/dm-2 19.50GB
merkaba:~> /tmp/btrfs fi disk-usage -t /home
Data Metadata System
Single Single Single Unallocated
/dev/dm-2 202.01GB 2.01GB 4.00MB 19.50GB
======== ======== ======= ===========
Total 202.01GB 2.01GB 4.00MB 19.50GB
Used 194.67GB 1.44GB 48.00KB
merkaba:~> /tmp/btrfs dev disk-usage /home
/dev/dm-2 223.52GB
Data,Single: 202.01GB
Metadata,Single: 2.01GB
System,Single: 4.00MB
Unallocated: 19.50GB
Thanks,
--
Martin 'Helios' Steigerwald - http://www.Lichtvoll.de
GPG: 03B0 0D6C 0040 0710 4AFA B82F 991B EAAC A599 84C7
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