http://blogs.vanderbilt.edu/~peter.woods On the web services frontier... Fri, 02 Oct 2009 12:59:28 +0000 http://backend.userland.com/rss092 en Responsibility Transfer: I have been gradually moving out of my role as Unix Team Lead and System Administrator. Almost all of the daily operational duties are being performed by the System Administration team. Exchange Support: The vast majority of my time this month has been spent work with the ECS team ... http://blogs.vanderbilt.edu/~peter.woods/?p=349 New Position: I have recently been promoted to Senior System Administrator. As part of the transition, I am moving out of my operation role, and I am transferring those duties to the rest of the Unix team. I'm now supporting each of the AppHosting teams in my new role. I'm ... http://blogs.vanderbilt.edu/~peter.woods/?p=337 [WIN] Sun Identity Management: The new Epassword LDAP service went into production this morning. This new service offers LDAP service on new geographically-diverse Linux systems which are load balances by our F5 LTMs. The new LDAP service is more resilient in the event of a server outage. It also allows ... http://blogs.vanderbilt.edu/~peter.woods/?p=328 I only have one major WIN this month... PHP5/MySQL5 Web Server Migrations: The project to upgrade all of the shared web services to RHEL5 is essentially complete. All of the content has been migrated, and the sites are running smoothly. This migration gives the web community access to PHP5 and MySQL5.  ... http://blogs.vanderbilt.edu/~peter.woods/?p=320 Sun Identity Management: The networking issue for the virtual machines located in the VUH data center has been resolved. Our intermittent network issues were cause by a shared IP address between F5 LTMs and a Cisco router. This caused the VMs to lose outbound network connectivity when the IP jumped ... http://blogs.vanderbilt.edu/~peter.woods/?p=312 [WIN] RHEL5/PHP5/MySQL5 Upgrades: The migrations for the FEVS02 (misc domains) and FEVS06 (www4) servers pairs have begun. The first attempt to do this was interrupted by another work activity, and they were rescheduled for Apr 26.  The rescheduled migrations were completed without issues. ITS Website Redesign: The final cutovef date has ... http://blogs.vanderbilt.edu/~peter.woods/?p=305 [WIN] F5 Load Balancing: All of the F5 LTMs (2 test and 5 production) are online and available for use. Mark Dycus and I spent a couple of day in the test lab trying various configurations.  We were able to duplicate the loop and broadcast/multicast storm issues that we were ... http://blogs.vanderbilt.edu/~peter.woods/?p=293 Sitemason Stabilization: This month the Sitemason service grew to utilize five web servers behind the F5 LTM. The service is still suffering from intermittent issues such as intermittent login failures or XML parsing failures. This is also the first service that I have written an iRule for. The rule that ... http://blogs.vanderbilt.edu/~peter.woods/?p=286 Server Patching: All of the shared web servers have been patched, and the co-hosted web servers are scheduled. Sun Identity Management: I am continuing my work to bring the VMs online  in the VUH data center, but I'm being diverted by operational events and tasks. Both ESX servers are fully online ... http://blogs.vanderbilt.edu/~peter.woods/?p=278 Identity Management: The F5 LTM hardware in HIll and Stevenson is in production. I was able to correct the bug in the LDAP monitor by directly modifying the LDAP configurations on LTMs. This is a correction that is not possible through the web GUI. The ITS Server Migration: Two new RHEL5 ... http://blogs.vanderbilt.edu/~peter.woods/?p=273