Am 11.04.2011 10:23, schrieb Florian Philipp: > Am 11.04.2011 13:08, schrieb Federico Alves: >> >> On 4/10/11 11:35 PM, "Larry Brower" <[email protected]> wrote: >> >> On 04/11/2011 05:59 AM, Federico Alves wrote: >>>>> I am using rsync to send almost 1 TB of sparse files across the LAN to >>>>> another identical Linux box. If I fire only 1 command, I get about 22 Mb >>>>> of speed, but if I fire 6 commands in parallel, from different SSH >>>>> connections, the speed is divided by 6: very, very slow. >>>>> >>>>> My command is >>>>> rsync -S --progress sparsefile jephe@server:newsparsefile >>>>> >>>>> The LAN is 1GB and both machines are Scientific Linux 6.0. >>>>> Is there any way to do this that does not have a bottleneck? >>>>> Federico >> >> >> >> This could be a limitation of your disks speed in the servers and not >> rsync itself >>> >> >> The limitation is not my hardware. The servers are both Dell R900 >> with SAS disk arrays. Also, from a Windows virtual machine, inside >> the same server, I get around 400 MB speed using FTP transfer, >> windows to windows. There must be a different way to do this from >> Linux.The files are sparse files, and I need to keep them that way, >> that's why I use rsync. > > Maybe it helps to rule out SSH as the culprit. Can you try to set up a > real rsync-server on that machine (package rsync-server)? Take a look at > `man rsyncd.conf` for an example configuration. Here is a short > walkthrough on how to setup one: > http://www.jtanderson.org/linux/centos-5-rsync-server-setup/ > (BTW: Why isn't there an init script and default config file in the > rsync package?) >
Ignore that part about package rsync-server. I forgot to take that out. Thought there was a package like that.
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