Hello All: I've having repeatable problems copying files between linux machines using rsync-2.5.1 and various recent flavors of openssh. The symptom when testing with a single 2M file is that rsync hangs when when the file is 97% transferred. It seems from looking at various archives that this problem may be non-trivial. I tried applying the patch at http://www.clari.net/~wayne/rsync-nohang.patch to rsync-2.5.1, (even though it's for 2.5.0) but it didn't seem to make things any better. I'm wondering if there are any tips to get around this problem or ??? Thanks! jrobinson __________________________________________________ Do You Yahoo!? Send your FREE holiday greetings online! http://greetings.yahoo.com
On Fri, Jan 04, 2002 at 11:29:13AM -0800, J Robinson wrote:> Hello All: > > I've having repeatable problems copying files between > linux machines using rsync-2.5.1 and various recent > flavors of openssh. The symptom when testing with a > single 2M file is that rsync hangs when when the file > is 97% transferred. > > It seems from looking at various archives that this > problem may be non-trivial. I tried applying the > patch at > http://www.clari.net/~wayne/rsync-nohang.patch to > rsync-2.5.1, (even though it's for 2.5.0) but it > didn't seem to make things any better. > > I'm wondering if there are any tips to get around this > problem or ???I don't believe anybody else has reported a problem quite like that lately. First, give us the output of netstat -a on both sides for the relevant connection so we can see if there is data in a send queue somewhere that's not being sent; that could indicate a TCP implementation problem which rsync has a great tendency to expose because of the way it stresses TCP. Please try to give us as much information as you can so somebody else could possibly repeat it, including exact versions of all software involved on both sides, the speed of your network, and the exact command you're using. - Dave Dykstra
On 4 Jan 2002, Dave Dykstra <dwd@bell-labs.com> wrote:> Well I don't see anything in the send queues so that's not likely to be the > problem. It doesn't seem likely that anybody else would be able to easily > reproduce your setup. I suspect your Internet Sharing setup since you have > also experienced web sites stalling.PPPOE in combination with masquerading often causes problems to do with packet MTU with similar symptoms: heavily used connections hang during transfers. I don't know if this would be a problem with WinPOET. You could try # ifconfig eth0 mtu 1200 on the firewalled Linux box. -- Martin