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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? - PowerPoint PPT Presentation
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I Nexus Update
Matthew Gaskin / Tom MillNexus Senior System Specialists
I Nexus Update
Matthew Gaskin / Tom MillNexus Senior System Specialists
What are we going to talk about?
1. History of Nexus and Exchange 2007
2. What lessons have we learned?
3. Why migrate to Exchange 2010?
4. What is the Exchange 2010 design?
History of Nexus and Exchange 2007
• Herald only offered IMAP• Growing demand for groupware functions• University polled to assess possible options
Lessons LearnedInteractions with other systems
(SSO OAK LDAP, Oxmail, Webreg)Large messagesOut-of-scope functionality requestsUser unfamiliarityBlack-holed leavers’ mailboxesLarge quota handlingBlackBerry contractsCustom APIs
Lessons Learned Custom APIs
+Why migrate to Exchange 2010?
Better OWAImproved storage model
Why migrate to Exchange 2010?
Why migrate to Exchange 2010?
Supported clients:Outlook 2003 and later (Windows
& Mac)IMAP & POP clientsMac Mail / EntourageOutlook Web App (Premium support):
Internet Explorer, Firefox, Chrome (Windows), Safari (Mac)
Mobile devices
Why migrate to Exchange 2010?
Why migrate to Exchange 2010?Improved Storage ModelPotential higher availabilityLower cost storage
HP/Lefthand P4500 2U SAN3Gb SAS (12xLFF)
HP D2700 2U Direct-Attached disk enclosure6Gb SAS (12xLFF or 25 SFF)
Why migrate to Exchange 2010?Lower cost storage
Save £72,100
!
What is the Exchange 2010 design?OXMAIL
• Checks address validity• Checks for viruses• Assigns spam rating
(small messages only) Network Load
Balancing
Network Load
Balancing
Client-Access
Hub Transport
Hub Transport
wildcard.herald.ox.ac.uk
Mailbox Cluster
BANBURY ROAD
BEGBROKE
Client-Access
Mailbox Cluster
imap.nexus.ox.ac.ukpop.nexus.ox.ac.uk
ISA cluster
What is the Exchange 2010 design?OXMAIL
• Checks address validity• Checks for viruses• Assigns spam rating
(small messages only) Network Load
Balancing
Hub Transport Servers x 6
Mailbox Serversx14
SHARED DATACENTRE
Client-Access Serversx 20
imap.nexus.ox.ac.ukpop.nexus.ox.ac.uk
BANBURY RD
What is the Exchange 2010 design?Fileshare witness at third location1.2 IOPS per user140 stores20 stores backed up in full per day
(others backed up incrementally)
Any Questions?
I Nexus 2010
Matthew Gaskin / Tom MillNexus Senior System Specialists
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