Hi.
I want to run the cluster tutorial on my linux cluster, but it doesn't
work and I can't see why.

If I set the LOG_LEVEL to DEBUG I get the following messages:

ServerSide:
INFO: Connection bound to port 0
INFO: Waiting for request of test1 StreamSock
INFO: wait for request by broadcast
INFO: Request for test1 StreamSock
INFO: Response rms1: 53529

ClientSide:
INFO: Connect to test1
INFO: send request to 224.245.211.234
INFO: send request to 255.255.255.255
INFO: Found at address rms1: 53529

Both apps just wait for ever here (same with multicast) and nothing
happens anymore, although there's obviously heavy network traffic (see
tcpdump below)

I'm running all systems with Debian unstable and a 2.6.7 kernel and a
quite up to date OpenSG CVS version. Networking between this two nodes
is working fine (ssh, ftp). Are there some kernel / network
configuration options that I may have forgot?

Regards, Dominik

The (maybe useful?) tcpdump ( tcpdump -i eth0 )

22:23:26.924721 IP rms1.rmsdom.32769 > 224.245.211.234.8437: UDP, length: 27
22:23:26.924764 IP rms1.rmsdom.32769 > 255.255.255.255.8437: UDP, length: 27
22:23:26.924871 IP rms2.rmsdom.8437 > rms1.rmsdom.32769: UDP, length: 27
22:23:26.925703 IP rms1.rmsdom.58343 > rms2.rmsdom.32769: S
4168939639:4168939639(0) win 5840 <mss 1460,sackOK,timestamp 6257227 0,
nop,wscale 2>
22:23:26.925745 IP rms2.rmsdom.32769 > rms1.rmsdom.58343: R 0:0(0) ack
4168939640 win 0
22:23:26.926364 IP rms1.rmsdom.58344 > rms2.rmsdom.32769: S
4168939642:4168939642(0) win 5840 <mss 1460,sackOK,timestamp 6257227 0,
nop,wscale 2>
22:23:26.926404 IP rms2.rmsdom.32769 > rms1.rmsdom.58344: R 0:0(0) ack
4168939643 win 0
22:23:26.926683 IP rms1.rmsdom.58345 > rms2.rmsdom.32769: S
4168939645:4168939645(0) win 5840 <mss 1460,sackOK,timestamp 6257228 0,
nop,wscale 2>
22:23:26.926721 IP rms2.rmsdom.32769 > rms1.rmsdom.58345: R 0:0(0) ack
4168939646 win 0
22:23:26.926978 IP rms1.rmsdom.58346 > rms2.rmsdom.32769: S
4168939648:4168939648(0) win 5840 <mss 1460,sackOK,timestamp 6257228 0,
nop,wscale 2>
22:23:26.927015 IP rms2.rmsdom.32769 > rms1.rmsdom.58346: R 0:0(0) ack
4168939649 win 0
22:23:26.927252 IP rms1.rmsdom.58347 > rms2.rmsdom.32769: S
4168939651:4168939651(0) win 5840 <mss 1460,sackOK,timestamp 6257228 0,
nop,wscale 2>
22:23:26.927290 IP rms2.rmsdom.32769 > rms1.rmsdom.58347: R 0:0(0) ack
4168939652 win 0
22:23:26.927538 IP rms1.rmsdom.58348 > rms2.rmsdom.32769: S
4168939654:4168939654(0) win 5840 <mss 1460,sackOK,timestamp 6257228 0,
nop,wscale 2>
22:23:26.927575 IP rms2.rmsdom.32769 > rms1.rmsdom.58348: R 0:0(0) ack
4168939655 win 0
22:23:26.927814 IP rms1.rmsdom.58349 > rms2.rmsdom.32769: S
4168939657:4168939657(0) win 5840 <mss 1460,sackOK,timestamp 6257229 0,
nop,wscale 2>
22:23:26.927862 IP rms2.rmsdom.32769 > rms1.rmsdom.58349: R 0:0(0) ack
4168939658 win 0
22:23:26.928148 IP rms1.rmsdom.58350 > rms2.rmsdom.32769: S
4168939660:4168939660(0) win 5840 <mss 1460,sackOK,timestamp 6257229 0,
nop,wscale 2>
22:23:26.928186 IP rms2.rmsdom.32769 > rms1.rmsdom.58350: R 0:0(0) ack
4168939661 win 0
22:23:26.928466 IP rms1.rmsdom.58351 > rms2.rmsdom.32769: S
4168939663:4168939663(0) win 5840 <mss 1460,sackOK,timestamp 6257229 0,
nop,wscale 2>
22:23:26.928504 IP rms2.rmsdom.32769 > rms1.rmsdom.58351: R 0:0(0) ack
4168939664 win 0
22:23:26.928763 IP rms1.rmsdom.58352 > rms2.rmsdom.32769: S
4168939666:4168939666(0) win 5840 <mss 1460,sackOK,timestamp 6257230 0,
nop,wscale 2>
22:23:26.928802 IP rms2.rmsdom.32769 > rms1.rmsdom.58352: R 0:0(0) ack
4168939667 win 0
22:23:26.929063 IP rms1.rmsdom.58353 > rms2.rmsdom.32769: S
4168939669:4168939669(0) win 5840 <mss 1460,sackOK,timestamp 6257230 0,
nop,wscale 2>
22:23:26.929100 IP rms2.rmsdom.32769 > rms1.rmsdom.58353: R 0:0(0) ack
4168939670 win 0
22:23:26.929334 IP rms1.rmsdom.58354 > rms2.rmsdom.32769: S
4168939672:4168939672(0) win 5840 <mss 1460,sackOK,timestamp 6257230 0,
nop,wscale 2>
22:23:26.929371 IP rms2.rmsdom.32769 > rms1.rmsdom.58354: R 0:0(0) ack
4168939673 win 0
22:23:26.929619 IP rms1.rmsdom.58355 > rms2.rmsdom.32769: S
4168939675:4168939675(0) win 5840 <mss 1460,sackOK,timestamp 6257231 0,
nop,wscale 2>
22:23:26.929657 IP rms2.rmsdom.32769 > rms1.rmsdom.58355: R 0:0(0) ack
4168939676 win 0
22:23:26.929895 IP rms1.rmsdom.58356 > rms2.rmsdom.32769: S
4168939678:4168939678(0) win 5840 <mss 1460,sackOK,timestamp 6257231 0,
nop,wscale 2>
22:23:26.929932 IP rms2.rmsdom.32769 > rms1.rmsdom.58356: R 0:0(0) ack
4168939679 win 0
22:23:26.930168 IP rms1.rmsdom.58357 > rms2.rmsdom.32769: S
4168939681:4168939681(0) win 5840 <mss 1460,sackOK,timestamp 6257231 0,
nop,wscale 2>
22:23:26.930206 IP rms2.rmsdom.32769 > rms1.rmsdom.58357: R 0:0(0) ack
4168939682 win 0
22:23:26.930438 IP rms1.rmsdom.58358 > rms2.rmsdom.32769: S
4168939684:4168939684(0) win 5840 <mss 1460,sackOK,timestamp 6257231 0,
nop,wscale 2>



-------------------------------------------------------
This SF.Net email is sponsored by BEA Weblogic Workshop
FREE Java Enterprise J2EE developer tools!
Get your free copy of BEA WebLogic Workshop 8.1 today.
http://ads.osdn.com/?ad_id=4721&alloc_id=10040&op=click
_______________________________________________
Opensg-users mailing list
[email protected]
https://lists.sourceforge.net/lists/listinfo/opensg-users

Reply via email to