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I Nexus Update

I Nexus Update. Matthew Gaskin / Tom Mill Nexus Senior System Specialists. I Nexus Update. Matthew Gaskin / Tom Mill Nexus Senior System Specialists. What are we going to talk about?. History of Nexus and Exchange 2007 What lessons have we learned?

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I Nexus Update

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  1. I Nexus Update Matthew Gaskin / Tom Mill Nexus Senior System Specialists

  2. I Nexus Update Matthew Gaskin / Tom Mill Nexus Senior System Specialists

  3. What are we going to talk about? • History of Nexus and Exchange 2007 • What lessons have we learned? • Why migrate to Exchange 2010? • What is the Exchange 2010 design?

  4. History of Nexus and Exchange 2007 • Herald only offered IMAP • Growing demand for groupware functions • University polled to assess possible options

  5. Lessons Learned • Interactions with other systems(SSO OAK LDAP, Oxmail, Webreg) • Large messages • Out-of-scope functionality requests • User unfamiliarity • Black-holed leavers’ mailboxes • Large quota handling • BlackBerry contracts • Custom APIs

  6. Lessons Learned Custom APIs

  7. Why migrate to Exchange 2010? +

  8. Why migrate to Exchange 2010? • Better OWA • Improved storage model

  9. Why migrate to Exchange 2010?

  10. Why migrate to Exchange 2010? Supported clients: • Outlook 2003 and later (Windows & Mac) • IMAP & POP clients • Mac Mail / Entourage • Outlook Web App (Premium support): • Internet Explorer, Firefox, Chrome (Windows), Safari (Mac) • Mobile devices

  11. Why migrate to Exchange 2010? Improved Storage Model • Potential higher availability • Lower cost storage HP/Lefthand P4500 2U SAN 3Gb SAS (12xLFF) HP D2700 2U Direct-Attached disk enclosure 6Gb SAS (12xLFF or 25 SFF)

  12. Why migrate to Exchange 2010? • Lower cost storage Save £72,100!

  13. What is the Exchange 2010 design? • Checks address validity • Checks for viruses • Assigns spam rating (small messages only) Network Load Balancing Mailbox Cluster Mailbox Cluster Client-Access Client-Access OXMAIL Hub Transport ISA cluster imap.nexus.ox.ac.uk pop.nexus.ox.ac.uk Network Load Balancing BANBURY ROAD Hub Transport wildcard.herald.ox.ac.uk BEGBROKE

  14. What is the Exchange 2010 design? Mailbox Serversx14 • Checks address validity • Checks for viruses • Assigns spam rating (small messages only) Client-Access Serversx 20 Network Load Balancing OXMAIL imap.nexus.ox.ac.uk pop.nexus.ox.ac.uk BANBURY RD Hub Transport Servers x 6 SHARED DATACENTRE

  15. What is the Exchange 2010 design? • Fileshare witness at third location • 1.2 IOPS per user • 140 stores • 20 stores backed up in full per day(others backed up incrementally)

  16. Any Questions?

  17. I Nexus 2010 Matthew Gaskin / Tom Mill Nexus Senior System Specialists

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