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Strange disk usage / capacity behaviour in storage pools

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Hi All

 

I wonder if someone could answer this

 

I have a seperate pool set up  /mnt/systempool

 

The disk usage says the following

 

image.thumb.png.6b342d527c0316894e884cf39cff5d48.png

 

These are two 1tb ssd's in a raid 1 configuration

 

These are the system folders on this pool

 

image.png.661c30e1d05a67d4b68287a935213455.png

 

I thought it was strange the amount of spare capacity i had on this pool and when investigating found the following

 

image.png.16d922139af1a2bb0cbb1ba0b96ea964.png

 

Why is the gui showing one thing and cli showing another?

Edited by doma_2345
fix typos

  • Community Expert

du isn't reliable with btrfs, GUI will show the correct stats for that pool, same as the btrfs command:

 

btrfs fi usage -T /mnt/systempool

 

  • Author

image.png.6f65aaa98438380e96b02b2133be1413.png

 

Well thats a different number again

34 minutes ago, JorgeB said:

du isn't reliable with btrfs, GUI will show the correct stats for that pool, same as the btrfs command:

 

btrfs fi usage -T /mnt/systempool

 

 

  • Author

actually i think i might have been reading it wrong,

 

trying to work out the switch for file depth

  • Community Expert
13 minutes ago, doma_2345 said:

Well thats a different number again

It doesn't you just need to adjust the units, GUI is in TB, not TiB

 

Used=1.13TiB=1.24TB/2=620GB

Free=348.5GiB=370GB

  • Author

from looking into this du should be reporting a larger amount than btrfs reports not a smaller amount.

  • Community Expert

Like mentioned du output is meaningless with btrfs, it can be show more, it can show less.

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