Hi again,

Having numerous snapshots, I prefer to ask rather than take the risk of
exploding my storage space, better safe than sorry ;-)

"man btrfs" states :

« NOTE: defragmenting with kernels up to 2.6.37 will unlink COW-ed
copies of data, don't use it if  you  use  snapshots,  have 
deduplicated  your  data  or  made  copies with cp --reflink. »

I use :
# uname -r
3.5.0-24-generic

...So should I expect that defraging my BTRFS will be smart enough not
to uncow my snapshots ? Is it actually able to defrag both the file and
its snapshots altogether, keeping all this as a single physical copy of
the defragged data ?

TIA.

-- 
Swâmi Petaramesh <[email protected]> http://petaramesh.org PGP 9076E32E
Ne cherchez pas : Je ne suis pas sur Facebook.

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