I have managed to solve my problem.
The media server is connected to a SAN via an 2GB ISCSI link. Manually copying a file via this link produced the expected speeds. However, backing up was very slow (about 200MB/min).
I couldn't see how the slow ba...
Did you purchase the SAN SSO? did it help?
I am also suffering from slow backups to a SAN using ISCSI.
From reading the docs on the SAN option it helps with syncing multiple media servers sharing one san. I only have one media server talking to one ...