Hi,
We have two storage directors: one locally and one located at an off-site data
center. Our connection to the data center is a 10G link (but it's shared with
other UC universities). Using programs like BBFTP, we've been able to achieve
actual data throughput of something like 600Mbit/s to the remote storage daemon.
The storage daemon boxes are FreeBSD 8.2 with 16TB (local) and 12TB (remote)
ZFS file systems, and the file daemon we're testing with is CentOS with an ext3
file system.
When we back up to the local storage daemon, we're getting about 500Mbit/s.
When we back up to the remote storage daemon, we're getting about 66Mbit/s.
So, my question is: are there any compile-time options or configuration tricks
for Bacula that would make it perform better on this sort of long-haul
connection? I'm guessing that the answer is probably "you need to tweak your
OS TCP/IP stack", but I thought I'd ask here if anyone else has this sort of
setup and could maybe offer advice specific to Bacula that might help, at least
to some degree.
Thanks!
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Tim Gustafson tjg AT soe.ucsc
DOT edu
Baskin School of Engineering 831-459-5354
UC Santa Cruz Baskin Engineering 317B
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