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Microsoft Exchange Server 2010
 

Microsoft Exchange Server 2010

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    Microsoft Exchange Server 2010 Microsoft Exchange Server 2010 Presentation Transcript

    • Exchange 2010 High Availability
      Harold Wong
      IT Pro Evangelist
      blogs.technet.com/haroldwong
    • Agenda
      Exchange 2010 High Availability Fundamentals
      End-to-End Availability Improvements
      High Availability Fundamentals
      High Availability Design Examples
      Storage Improvements
    • E-Mail Trends
      • The average corporate user can expect to send and receive about 156 messages a day, and this number is expected to grow to about 233 messages a day by 2012. An increase of 33% over the four-year period. (Radicati, 2008)
      Messages Sent/Received Per User/Day
      “If e-mail stops, business stops”
      • Business users report that they currently spend 19% of their work day, or close to 2 hours/day on email. (Radicati, 2007)
      “The company runs on e-mail”
    • High Availability ImprovementsKey benefits
      • Improved failover granularity
      • Simplified administration
      • Incremental deployment
      • Unification of CCR + SCR
      • Easy stretching across sites
      • Up to 16 replicated copies
      • Easier & cheaper to deploy
      • Easier & cheaper to manage
      • Better SLAs
      Improved mailbox uptime
      More storage flexibility
      • Reduced storage costs
      • Larger mailboxes
      • Further IO reductions
      • RAID-less / JBOD support
      Better end-to-end availability
      • Easier & cheaper to manage
      • Better SLAs
      • Further IO reductions
      • RAID-less / JBOD support
    • Unified Platform for High Availability and Disaster Recovery
      San Jose
      Dallas
      Mailbox Server
      Mailbox Server
      Mailbox Server
      Recover quickly from disk and database failures
      Replicate databases to remote datacenter
      DB1
      DB1
      DB1
      DB2
      DB2
      DB2
      DB3
      DB3
      DB3
      DB4
      DB4
      DB4
      DB5
      DB5
      DB5
      Evolution of continuous replication technology
      Combines the capabilities of CCR and SCR into one platform
      Easier than traditional clustering to deploy and manage
      Allows each database to have up to 16 replicated copies
      Provides full redundancy of Exchange roles on two servers
    • Exchange 2010 High Availability Overview
      AD site: Dallas
      Client Access Server
      All clients connect via CAS servers
      DB1
      Client
      DB3
      Mailbox Server 6
      DB5
      AD site: San Jose
      Client Access Server
      Easy to stretch across sites
      Failover managed within Exchange
      Mailbox Server 1
      Mailbox Server 2
      Mailbox Server 3
      Mailbox Server 4
      Mailbox Server 5
      Database Availability Group
      DB1
      DB1
      DB1
      DB4
      DB2
      DB5
      DB3
      DB2
      DB5
      DB3
      DB4
      DB1
      Database centric failover
      DB1
      DB3
      DB2
      DB5
      DB4
    • Database Availability Group (DAG)
      Mailbox Servers
      Mailbox Database
      Database Copy
      Active Manager
      RPC Client Access Service (Active Manager Client)
      High Availability Fundamentals
      RPC Client Access Service
      Active Manager
      Active Manager
      Active Manager
      DB1
      DB1
      DB1
      DB2
      DB2
      DB2
      Database Availability Group
      DB3
      DB3
      DB3
    • Exchange 2010 HA FundamentalsDatabase Availability Group (DAG)
      Group of up to 16 servers
      Wraps a Windows® Failover Cluster
      Defines the boundary of replication and failover/switchover
      Mailbox Servers ….
      Host the active and passive copies of multiple mailbox databases
      Support up to 100 databases per server
    • Mailbox Database
      Unit of Failover/Switchover
      30 second Database Failover/Switchover
      Database names are unique across an forest
      Mailbox Database Copy
      A database has one active copy in a DAG
      A server may not host more than one copy of a given database
      Replication of copies using Log Shipping
      System tracks health of each copy
      Exchange 2010 HA FundamentalsMailbox Databases and Copies
    • High Availability’s Brain
      Manages which database copies should be active and passive
      Source of definitive information on where a database is active and mounted
      Active Directory is primary source for configuration information
      Active Manager is primary source for changeable state information such as active and mounted
      A process that runs on every server in DAG
      Exchange 2010 HA FundamentalsActive Manager
      Active
      Manager
    • Incremental DeploymentReduces cost and complexity of HA deployments
      Easy to add high availability to existing deployment
      High availability configuration is post-setup
      HA Mailbox servers can host other server roles
      Datacenter 1
      Datacenter 2
      Database Availability Group
      Mailbox Server 3
      Mailbox Server 1
      Mailbox Server 2
      DB1
      DB1
      DB1
      DB2
      DB2
      DB2
      DB3
      DB3
      DB3
    • Simplified ManagementReduces cost and complexity of management
      HA Administration within Exchange
      Recovery uses the same simple operation for a wide range of failures
      Simplified activation of Exchange services in a standby datacenter
    • High Availability Management
      demo
    • Use a VSS backup solution
      Backup from any copy of the database/logs
      Always choose passive (or active) copy
      Backup an entire server
      Designate a dedicated backup server for a given database
      Restore from any of these backups:
      Database Availability Group
      Mailbox Server 3
      Mailbox Server 1
      Mailbox Server 2
      DB1
      DB1
      DB1
      VSS requestor
      DB2
      DB2
      DB2
      DB3
      DB3
      DB3
      Exchange Server 2010 Backups
    • Storage ImprovementsPerformance enhancements enable new options
      Exchange 2010 Storage Enhancements
      70% reduction in IOPS
      Smoother IO patterns
      Resilience against corruption
      Choose from a wide range of storage technologies without sacrificing system availability:
      Storage Area Network (SAN)
      Direct Attached w/ SAS Disks
      JBOD SATA (RAID-less)
      Direct Attached w/ SAS Disks
    • Lowering Exchange 2010 Storage Costs
      Optimized for DAS storage
      Use larger, slower, cheaper disks
      Support larger mailboxes at lower cost
      HA provides resilience from disk failures
      HA Solution remains unchanged regardless of data volume size
      JBOD/RAID-less storage now an option
      Requires 3+ DB Copies
    • Exchange 2010 Cost Savings
      • Storage flexibility
      • Simplified management
      • Simplified site resilience
      • All server roles on one server (Small deployments)
      3000 Mailboxes
      2 Node Cluster
      Double Server/Disk Failure Resiliency
      24,000 Mailboxes
      6 Node DAG
      3 copies (JBOD)
      4 x 2 Node CCR
      2 copies (RAID)
      Storage Cost savings examples
    • Automatic protection against loss of queued e-mails due to hardware failure
      Simplifies hub and edge transport server upgrades and maintenance
      Improved Transport Resiliency
      X
      Mailbox
      Server
      EdgeTransport
      Servers keep “shadow copies” of items until they are delivered to the next hop
      Edge Transport
      HubTransport
    • Online Move MailboxLimit user disruption during mailbox moves and maintenance
      Users remain online while their mailboxes are moved between servers
      Sending messages
      Receiving messages
      Accessing entire mailbox
      Administrators can perform migration and maintenance during regular hours
      Also can be used to migrate users from on-premise server to Exchange Online
      E-Mail Client
      Client Access Server
      Exchange 2010 & Exchange 2007 SP2 Online
      Exchange 2003 Offline
      Mailbox Server 1
      Mailbox Server 2
    • Hardware Load Balancer
      Mailbox servers in a DAG can host other Exchange server roles
      CAS/HUB/MAILBOX 2
      CAS/HUB/MAILBOX 1
      DB1
      DB1
      2 server configurations, should always use RAID
      DB2
      DB2
      DB2
      DB3
      DB3
      High Availability Design ExampleBranch office or smaller deployment
    • High Availability for Other Server Roles
      • Hardware load balancer (recommended) or Windows Network Load Balancing (NLB)
      Client Access
      • No special configuration required (load balancing and failover is automatic)
      Hub Transport
      Edge Transport
      • Use DNS round robin, multiple MX records
      • Configure IP gateway to point to more than one UM server
      Unified Messaging
    • High Availability Management (Closure)
      demo
    • Exchange 2010 High Availability …..
      Easier & cheaper to deploy
      Simplified administration
      Granular failover & recovery
      Better end-to-end availability
      One technology for both high availability and site resilience
      Summary
    • Learn More About Exchange 2010
      Community Resources
      Technical Resources
      Get Hands on Training
      • Exchange Team Blog
      • Exchange Forums
      • The New Efficiency Virtual Launch Experience
      • TechNet Exchange Website
      • Exchange Webcasts and Podcasts
      www.thenewefficiency.com
      http://technet.microsoft.com/en-us/exchange/default.aspx
      http://technet.microsoft.com/en-us/exchange/bb288465.aspx
      • Training Offers—Exclusive for Launch Attendees
      www.microsoft.com/learning/careeroffers
      http://msexchangeteam.com/URL here
      http://social.technet.microsoft.com/Forums/en-US/exchange2010/threads
    • © 2009 Microsoft Corporation. All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries.
      The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.