On Mon, 2010-02-15 at 17:37 -0500, Dan Lavu wrote:
[....]
> When copying a large file to the raid, using SFTP I see IO read and
> write times of 30-35MB/s and I see transfer rates of 20MB/s. Keep in
> mind I'm syncing between two datacenters, Texas to Illinois.
>
> When it's syncing, iostat shows read write times of 2MB/s. I even
> created a ramdisk for an external metadisk and I saw no improvement.
>
> If my raid can easily write at 30MB/s why is the DRBD sync capped at
> 2MB/s? This is a RAID 5, with two logical volumes.
Because the link between your datacenters is limited to 2MB/s?!
Either some firewall or router of yours or the backbone provider or ...
[ Fullquote snipped ]
Bernd
--
Bernd Petrovitsch Email : [email protected]
LUGA : http://www.luga.at
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