Re: Determining RBD storage utilization

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On 10 October 2012 18:10, Travis Rhoden <trhoden@xxxxxxxxx> wrote:
> Additionally, 500G - 7.5G != 467G (the number shown as Avail).  Why
> the huge discrepancy?  I don't expect the numbers to add up exact due
> to rounding from kB, MB, GB, etc, but they should be darn close, a la

ext4 keeps some reserved space, 5% by default, for when the disk is
full so you are still able to use the filesystem and clean it up.

500G * 0.05 = 25G
500G - (25G + 7.5G) = 467G

Can't tell you where the 7.5G comes from though!
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