Did you try creating an huge file directly on your linux host
with

dd if=/dev/zero of=/mnt/<YOURPATH>/file bs=1M count=1400

dd will report the speed afterwards.
You can also try copying the documents from ext4 to a ramfs and then
copy them from the ramfs to btrfs.


On 07/19/2012 03:42 AM, Shavi N wrote:

Hi,

I have btrfs volume, shared via samba. I have a directory of
documents that I want to backup on my server. win7 reports a
maximum of ~3.10MB/s transfer transferring the same directory on a
ext4 samba share I get 25MB/s +

Any ideas? Is it like that because of how btrfs works and is
setup?

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