[LON-CAPA-admin] Standalone Access Server

Gerd Kortemeyer korte at lite.msu.edu
Sun Oct 7 12:51:32 EDT 2012


An access server cannot host a domain coordinator, so you don't need to make one. All of the users need to have their homes on library servers.

Your approach to networking the two machines is correct. What do you have in dns_domain.tab domain.tab?

If the machines are not connecting, it may be a DNS or firewall issue. Make sure port 5663 is open, and that reverse DNS is working. If that is all okay, I would need data from lond.log and lonc.log on both machines for further analysis.

- Gerd.

On Oct 7, 2012, at 12:07 PM, guzelmu at itu.edu.tr wrote:

> Hello,
> We have a standalone library server, which is active for one year, and we would like to add an access server to it. We prepared a computer to be the access server, installed operating system and LON-CAPA as access server following the steps in the documentation. But we did not created a domain controller on access server. (Do we need to?)
> We changed the following files at both server to have information about each other, and rebooted them.
> - /home/httpd/lonTabs/dns_hosts.tab
> - /home/httpd/lonTabs/hosts.tab
> ourdomainl1:ourdomain:library:l1.loncapa.ourdomain.edu:http:ourdomain.edu
> ourdomaina1:ourdomain:access:a1.loncapa.ourdomain.edu:http:ourdomain.edu
> 'service loncontrol status' command outputs "2 good connections" on library server, however access server says that library server is down. I cannot login using neither of them until reverting back the changes in tab files.
> I could not find any documentation about the subject. What should I do?
> -- 
> Onur Güzel
> Istanbul Technical University
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