CCC/WNUG Exchange Update May 5, 2005 - PowerPoint PPT Presentation

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CCC/WNUG Exchange Update May 5, 2005. Nate Wilken Web and Messaging Applications Information Technology Arizona State University. Exchange Environment Growth 2004-2005. Greater email volume Increased utilization More SPAM 25% more active mailboxes (10,000+) Increased adoption of Exchange

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CCC/WNUG Exchange Update May 5, 2005

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Ccc wnug exchange update may 5 2005 l.jpg

CCC/WNUGExchange UpdateMay 5, 2005

Nate Wilken

Web and Messaging Applications

Information Technology

Arizona State University


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Exchange Environment Growth2004-2005

  • Greater email volume

    • Increased utilization

    • More SPAM

  • 25% more active mailboxes (10,000+)

    • Increased adoption of Exchange

    • Users: 0.2 database disk iops

  • 500% larger quota (250MB)

  • 400% larger average mailbox size (65MB)


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Infrastructure Improvementshttp://www.asu.edu/mailbox/experformance.htm

  • Analyze Exchange Infrastructure

  • Increase storage system performance, capacity, reliability

  • Increase, upgrade Exchange servers

  • Document client best practices

  • Introduce secondary storage (email archiving)

  • Migrate to Exchange 2003 Server


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Analyze Exchange Infrastructure

  • January, 2005

    • Microsoft PSS on-site Exchange Health Check

    • NetApp Engineering on-site storage performance analysis

  • February, 2005

    • Microsoft PSS on-site Active Directory Health Check

  • April, 2005

    • Microsoft PSS on-site Exchange Health Re-check and client workstation performance analysis


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Storage Improvements

  • June, 2004: Sync-mirroring, clustering enabled

  • July, 2004: 2TB added (database capacity)

  • August 2004: 1TB added (log capacity)

  • November 2004: 2TB added (2 new servers)

  • February 2005: databases defragmented

  • March 2005: NetApp 880’s upgraded to 980’s

  • May 2005: 3TB added (2003, Westex, growth)


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Database Disk Write Latency


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Server Expansion and Upgrade

  • October, 2004 - December, 2004

    • Increase from 4 to 7 mailbox servers

    • IBM x335: 2 CPU, 4GB memory

  • May 2005

    • 10 back-end

    • 2 front-end


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Customer Best Practiceshttp://www.asu.edu/mailbox/experformance.htm

  • Use Outlook 2003 SP1 on Windows XP SP2

  • Use Exchange Cached Mode

  • Check for Outlook updates frequently

  • Publish less Free/Busy data

  • Don’t retrieve calendar data in Planner

  • Use (Auto-)Archiving to reduce mailbox size

  • Delegates and Owners should use same Outlook version (recommended: OL 2003 SP1)

  • Home VPN/Outlook users should change router IP range as recommended by IT/CCC


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Email ArchivingLate June, 2005

  • Automated, policy-controlled archiving to online secondary storage

  • Old items replaced with shortcut much smaller than original message

  • Benefits

    • Seamless customer access to archived content and comprehensive search functionality

    • Dramatic Exchange server performance improvement

    • Controlled Exchange database growth

    • Reduced storage via compression and single-instancing


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Exchange 2003 Features

  • Greatly improved Outlook 2003 and Outlook Web Access performance

    • OL: Cached mode, MAPI compression, buffer packing, etc.

    • OWA: gzip compression, reduced page loads, etc.

  • RPC/HTTP reduces the need for VPN

  • Improved Outlook Web Access interface and features

  • Improved Public Folder replication

  • Improved Distribution List caching and security

  • Improved manageability and health monitoring


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Exchange 2003 + Outlook 2003

  • Cached Mode

    • Creates and uses local copy of mailbox

    • Consistent user experience regardless of link speeds

    • Reduces Server and Network Load

    • Reduce roundtrips, compression

  • Intelligent Synchronization

  • Smart Connection Options

    • High and Low Bandwidth Profiles

    • Outlook over a slow, latent connection or dial-up


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Questions?


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