This is nice !
Can I suggest you to take care of 'btrfs fi show' output as well :-)
it needs a similar revamp.
Earlier I tried to add group profile into the show output but that broke
xfstest cases depending on it. so just a note.
Thanks, Anand
On 18/12/2014 04:14, Goffredo Baroncelli wrote:
Hi All,
enclosed a patches set to improve the output of mkfs.btrfs command.
Currently I find the output of mkfs.btrfs command quite confusing:
-- cut -- cut --
# mkfs.btrfs -f -M -d raid5 -m raid5 /dev/vd[b-k]
Btrfs v3.17
See http://btrfs.wiki.kernel.org for more information.
Turning ON incompat feature 'mixed-bg': mixed data and metadata block groups
Turning ON incompat feature 'extref': increased hardlink limit per file to 65536
Turning ON incompat feature 'raid56': raid56 extended format
Created a data/metadata chunk of size 8388608
adding device /dev/vdc id 2
adding device /dev/vdd id 3
adding device /dev/vde id 4
adding device /dev/vdf id 5
adding device /dev/vdg id 6
adding device /dev/vdh id 7
adding device /dev/vdi id 8
adding device /dev/vdj id 9
adding device /dev/vdk id 10
fs created label (null) on /dev/vdb
nodesize 4096 leafsize 4096 sectorsize 4096 size 356.01GiB
-- cut -- cut --
After my patches the output becomes:
-- cut -- cut --
# mkfs.btrfs -L btrfs-test -f -M -m raid5 -d raid5 /dev/vd[b-k]"
BTRFS filesystem summary:
Label: btrfs-test
UUID: 4409e381-f066-4e7b-af74-b6525fefa08b
Node size: 4096
Leaf size: 4096
Sector size: 4096
Initial chunks:
Data+Metadata: 9.01GiB
System: 18.06MiB
Metadata profile: RAID5
Data profile: RAID5
Mixed mode: YES
SSD detected: NO
Incompat features: mixed-bg, extref, raid56
Number of devices: 10
UUID ID SIZE PATH
------------------------------------ -- --------- -----------
907a3722-5d3e-4ee8-9cf1-e0e31c5edea7 1 50.00GiB /dev/vdb
2517a387-e060-46d1-9be7-9535802333c7 2 50.00GiB /dev/vdc
763dbe5e-8b16-4330-8730-8b60e245056b 3 50.00GiB /dev/vdd
180abbc2-4426-4f9c-a711-7735e19536d4 4 50.00GiB /dev/vde
666799fd-0413-42ce-bac4-a96e3e855ea2 5 50.00GiB /dev/vdf
a6af3e09-8469-4e57-9fa0-9d82e6c8faf1 6 50.00GiB /dev/vdg
e2b8a73e-2e37-4eb8-a8cb-71721a96b358 7 50.00GiB /dev/vdh
3fa65e67-88f6-48cc-9292-9336220e19a8 8 2.00GiB /dev/vdi
5a238ef4-e143-4b84-b698-347a1ceb7aa7 9 2.00GiB /dev/vdj
9794c5b4-8a9e-40d0-9774-b672034ef22b 10 2.00GiB /dev/vdk
Total devices size: 356.01GiB
-- cut -- cut --
Each information is in its own row. The devices are listed with more
information (disk uuid, id, size of each devices...)
Nodesize, Leafsize, Sectorsize are separated by the filesystem size.
The metadata/data profile are displayed (before this information was missed).
Also the size of the data/metadata/system chunk are displayed.
These changes are also available via github
https://github.com/kreijack/btrfs-progs
branch
mkfs-verbose
Changelog:
v1: first issue (as RFC)
v2: replaced "disks" with "devices" (suggested by Duncan)
replaced "Feature" with "Incompat features" (suggested by Satoru)
updated the comment of the documentation patch (suggested by Duncan)
removed a duplicate "-q" in the documentation patch (suggested by Duncan)
split the patch #6 in #6 and #7 to simplify the reading and review
BR
G.Baroncelli
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