On Sun, Nov 30, 2014 at 9:23 AM, Shriramana Sharma samj...@gmail.com wrote:
Why should noCoW affect cp --reflink anyhow? I just created a 500 MiB
file from /dev/urandom under a chattr +C-ed dir, and copied to another
subvol using cp --reflink, and fi df still shows 500 MiB, not 1 GiB.
Looks
Hello. I am now taking the first steps to making my backup external
HDD in BtrFS. From
http://askubuntu.com/questions/119014/btrfs-subvolumes-vs-folders I
understand that the only difference between subvolumes and ordinary
folders is that the former can be snapshotted and independently
mounted.
On Sat, Nov 29, 2014 at 07:51:07PM +0530, Shriramana Sharma wrote:
Hello. I am now taking the first steps to making my backup external
HDD in BtrFS. From
http://askubuntu.com/questions/119014/btrfs-subvolumes-vs-folders I
understand that the only difference between subvolumes and ordinary
On Sat, Nov 29, 2014 at 7:58 PM, Hugo Mills h...@carfax.org.uk wrote:
The latest version of mv should be able to use CoW copies to make
it more efficient. It has a --reflink option, the same as cp. Note
that you can't make reflinks crossing a mount boundary, but you can do
so crossing a
On 11/29/2014 07:15 AM, Shriramana Sharma wrote:
On Sat, Nov 29, 2014 at 7:58 PM, Hugo Mills h...@carfax.org.uk wrote:
The latest version of mv should be able to use CoW copies to make
it more efficient. It has a --reflink option, the same as cp. Note
that you can't make reflinks crossing a
On Sat, Nov 29, 2014 at 10:37 PM, Robert White rwh...@pobox.com wrote:
One thing to keep in mind is that mv, when crossing any of these boundaries
degenerates to a copy-and-remove operation and _none_ of the source files
will be removed until _all_ of the files have been copied. If any of the
