BTRFS/Rollback & Yum Snapshot Plugin

Tue Feb 4 15:44:34 UTC 2014

On Feb 4, 2014, at 12:23 AM, James Hogarth <james.hogarth at gmail.com> wrote:
> The other fun thing I encountered the other day is that cp --reflink=always still doesn't work across mount points even if they are part of the same btrfs pool and therefore capable of using COW between subvolumes.
> 

There are patches upstream for this. I'm running 3.14rc1 which has a large pile of Btrfs patches, but reflink between mounted subvols is still not yet possible. The workaround is to mount a subvolume they have in common and then it works.

Chris Murphy

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