On Fri, Apr 04, 2014 at 09:50:05AM -0700, Lists wrote: > I read recently that you can't send/receive concurrent streams on the same > filesystem, which begs the question of what is meant by a "filesystem". Is > that to say that you can't send/receive snapshots on different subvolumes to > the same "root filesystem"? Or that you can't send/receive multiple > snapshots on the same subvolume? Can you send/receive a snapshot or > subvolume to the same root filesystem?
The restriction was on the same *filesystem* as a whole: there was a global lock on the whole FS, which could cause deadlocks with send and receive both accessing the same FS (any subvolumes). I don't recall hearing about problems with two sends from different subvols on the same FS, but that might just be because I wasn't paying attention. :) I think those restrictions are gone now, in some patch in the pipeline. Possibly for 3.15 -- I'm not sure if the patches made it into 3.14. Hugo. -- === Hugo Mills: hugo@... carfax.org.uk | darksatanic.net | lug.org.uk === PGP key: 65E74AC0 from wwwkeys.eu.pgp.net or http://www.carfax.org.uk --- Gomez, darling, don't torture yourself. That's my job. ---
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