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Member
techmanager
Posts: 5
Registered: ‎02-24-2011
Message 1 of 4 (451 Views)

Backburner manager can't maintain more than two server connections

451 Views, 3 Replies
05-01-2012 01:10 PM

I am having trouble getting more than two servers to stay connected to the Manager. The Manager in this case is a physical Linux machine running a 64 bit version of Scientific Linux (Redhat clone). The servers are running Windows XP-64. Everything has gone fine with the software setup until now.

Steps to reproduce:

• Launch Server on each render node and configure the settings to connect to the Manager. Server confirms connection to Manager and the Server is displayed in the Web Monitor
• Repeat this process on Server #2. Server shows up in Web Monitor and confirms connection to the Manager
• Repeat this process on Server #3
• Either Server 1 or Server 2 get disconnected and Server 3 now shows up in Web Monitor. If I check on the Server that got dropped the Server dialogue says:

 

WRNManager is not responding

If I wait a while and come back to Web Monitor and hit refresh a different Server gets dropped, with one of the missing servers taking its place. It is all very strange. They are all connected to the same Gigabit Ethernet switch so communication should not be a problem. SELinux and IPTables have both been disabled on the Linux machine running Manager and Web Monitor.

*Expert Elite*
TravisNave
Posts: 9,522
Registered: ‎01-14-2005
Message 2 of 4 (444 Views)

Re: Backburner manager can't maintain more than two server connections

05-02-2012 08:23 AM in reply to: techmanager

Check your XP event logs first and make sure you are not reaching a concurrect connection limit.

Travis Nave Send TravisNave a Private Message                       Need help in your post? Mention me with @TravisNave
Member
techmanager
Posts: 5
Registered: ‎02-24-2011
Message 3 of 4 (438 Views)

Re: Backburner manager can't maintain more than two server connections

05-02-2012 04:11 PM in reply to: techmanager
The Event Viewer does not show any warnings regarding reaching the concurrent limit. The switch that all these machines are connected to is showing a LOT of activity. The ports are all flashing like crazy!
Member
techmanager
Posts: 5
Registered: ‎02-24-2011
Message 4 of 4 (428 Views)

Re: Backburner manager can't maintain more than two server connections

05-04-2012 04:16 PM in reply to: techmanager

I have made zero progress with this problem. Since my last post I have:

 

• Swapped out the switch everything is plugged into

• Set up another server on a different piece of hardware to function as the Manager

• Set up a Linux VM on one of our ESXi hosts to function as the Manager

• Set up half a dozen Windows 7 (x64) workstations as "servers"

 

No matter what I do I can only maintain 2-3 concurrent connections to the Manager. The servers all report intermittent connections to the Manager. Kind of stuck here. The only thing I have not changed yet is the server OS itself. I'm going to try OpenSUSE (another RPM-based distro) and see if that works. If that doesn't work I'm going to set our render farm on fire.

 

Any ideas? Thanks in advance for your input...

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