Technical Coordinators Meeting Chris Bongaarts Steve Siirila September 13, 2006

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

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

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

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

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

‘Till next month… Steve Siirila Steve Siirila Chris Bongaarts Chris Bongaarts