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Technical Coordinators Meeting Update - September 13, 2006

Recap of recent e-mail server outages, hardware upgrades, server reconfigurations, and client migration plans discussed in the meeting. Details on cluster rebuild, DR server upgrade, and capacity enhancements. Contact Steve Siirila or Chris Bongaarts for more info.

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Technical Coordinators Meeting Update - September 13, 2006

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  1. E-mail Technical Coordinators Meeting Chris Bongaarts Steve Siirila September 13, 2006

  2. E-mail server outages • Intermittent problems continued with red cluster throughout August • Cluster de-configured by Sep 1st • Plan: re-build cluster on new hardware and simulate heavy load • Work with Sun to address QFS issues

  3. UMCal Hardware Upgrade • Plan: upgrade DR server, switch over • Hardware upgraded to Sun V440 9/13 • Due to shared home FS, full testing was limited to off-hours • Unexpected write-protection forced SAN reconfiguration • Next step: DR server upgrade

  4. Miscellaneous • Running near capacity on MX servers; will be reconfiguring servers to gain capacity • Decreased maximum per-host SMTP connection limit from 10 to 5 • Added a 3rd GopherMail server • Now monitoring IMAP response time • Upped max clients from 96 to 150 on www.umn.edu servers 8/22 • Migration to DataCenter network at WBOB

  5. Top 9 mail clients (9/11) • Thunderbird (3453) • Microsoft Office Outlook (3041) • Apple Mail (1778) • Microsoft Outlook Express (1585) • QUALCOMM Windows Eudora (1427) • Oracle Connector for Outlook (673) • Microsoft Outlook (617) • Microsoft Entourage (584) • Mozilla (556)

  6. Bits ‘N Bytes • The polisci.umn.edu domain is now handled by central e-mail servers • Work continues on Dovecot evaluation

  7. Steve Siirila sfs@umn.edu 612-626-0244 Chris Bongaarts cab@umn.edu 612-625-1809 ‘Till next month…

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