1. Supporting the OpenMark-S assessment system sam marshall & Ian Every

2. All information on wiki http://strat-dev-wiki.open.ac.uk/ index.php/OpenMark:Server_running_guide Or: http://strat-dev-wiki.open.ac.uk/ Type ‘OpenMark’ in find box Look for the server running guide Wiki is not supported or backed up Oh noes

3. What is Om? OpenMark-S Server-based rewrite of previous assessment systems Example

4. Servers Load balancer Test navigator Students Question engine ltsweb1ltsweb2 HTTP (usually passed through load balancer) SOAP↓ (load-balanced by test navigator) HTTP↑ (to requesting navigator only) SQL Server yeo LDAP Apache-served auth page

5. Server tasks Test navigator ‘test’ = list of questions Does everything except questions Layout, info pages, results page, database… Question engine Handles actual question interaction One question at a time

6. Diagnosing problems Check an example test Remember load-balancing! LTS-IT will get access to most tests Automated status reports Should go into AACS monitoring Status page and logs

7. Error messages Standard error message format Useful information in a ‘technical information’ block Same info (more or less) in logs Helpdesk page on wiki Contains example errors

8. Fixing problems Server problem If a server doesn’t work for anyone Contact us, if we’re available Or get computer centre to restart Tomcat User problem If servers work fine for everyone else Clearing cookies might help –See Helpdesk guide Otherwise, might need fixing in database –Eek! Scary… Contact us

9. More LTS-IT work later? Putting questions & tests on live server is a manual process sam or Ian will do it for now OK while few tests It might get automated If it isn’t, we might ask LTS-IT to take it over at some point Don’t know yet

10. Conclusion OpenMark (Om) – web-based question system Internals of system Test navigator, question engines Load-balanced Checking server status Restarting

11. Son of Conclusion All this (more or less) is on the wiki http://strat-dev-wiki.open.ac.uk/ Type ‘OpenMark’ in find box Look for the server running guide You can edit it