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Brli/btrfs.check.markdown

Last active June 11, 2016 02:19
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Btrfs mantainance
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btrfs.check.markdown 
# btrfs fi df /directory

should get

example result
___
Data, single: total=29.88GiB, used=12.72GiB
System, single: total=4.00MiB, used=16.00KiB
Metadata, single: total=272.00MiB, used=190.72MiB
GlobalReserve, single: total=64.00MiB, used=0.00B

compare it with

# btrfs fi show /directory

example result
___
Label: none  uuid: UUID-HERE
        Total devices 1 FS bytes used 12.91GiB
        devid    1 size 30.15GiB used 30.15GiB path /dev/sda2

the used part looks bad :/ caculate the real percentage of used space, and do

# btrfs balance start -dusage='<the percentage(>10), eg. 30>' /direcotry

everything should be fine again check it with

# btrfs fi show /directory

again

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