[Btrfs-users] Requirements for btrfs

[Otto Muller]

Chris mason <chris.mason at oracle.com> wrote:

> Sorry, how big was your partition?  I haven't tested
> fully the minimum FS 
> size, but it also varies with how many blocks you
> plan on changing during a 
> transaction.  So you could have a 256MB partition if
> you only change a small 
> number of things, but it would run out of space if
> you constantly rewrote a 
> 256MB file.

partition was 500mb large. and if i can believe to df
it still have about 15mb free.
 
> This is because the transactions are snapshot based.
>  So, you need to have 
> enough room for the old copy of any blocks you
> modify during a commit and the 
> new copy.

one more detail.
btrfs crashed when i run 'du ./' command... is this a
"modify" action?

--
wbr,
sergey


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