Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
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 : bernd at petrovitsch.priv.at LUGA : http://www.luga.at