Exchange 2010 High Availability And Storage
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Exchange Server 2010 Launch Deck: High Availability and Storage

Exchange Server 2010 Launch Deck: High Availability and Storage

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  • 1. Exchange 2010 High Availability
    Harold Wong
    IT Pro Evangelist
    blogs.technet.com/haroldwong
  • 2. Agenda
    Exchange 2010 High Availability Fundamentals
    End-to-End Availability Improvements
    High Availability Fundamentals
    High Availability Design Examples
    Storage Improvements
  • 3. 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”
  • 4. High Availability ImprovementsKey benefits
    • Improved failover granularity
    • 5. Simplified administration
    • 6. Incremental deployment
    • 7. Unification of CCR + SCR
    • 8. Easy stretching across sites
    • 9. Up to 16 replicated copies
    • 10. Easier & cheaper to deploy
    • 11. Easier & cheaper to manage
    • 12. Better SLAs
    Improved mailbox uptime
    More storage flexibility
    • Reduced storage costs
    • 13. Larger mailboxes
    • 14. Further IO reductions
    • 15. RAID-less / JBOD support
    Better end-to-end availability
    • Easier & cheaper to manage
    • 16. Better SLAs
    • 17. Further IO reductions
    • 18. 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
  • 19. 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
  • 20. 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
  • 21. 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
  • 22. 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
  • 23. 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
  • 24. 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
  • 25. 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
  • 26. High Availability Management
    demo
  • 27. 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
  • 28. 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
  • 29. 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
  • 30. Exchange 2010 Cost Savings
    • Storage flexibility
    • 31. Simplified management
    • 32. Simplified site resilience
    • 33. 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
  • 34. 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
  • 35. 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
  • 36. 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
  • 37. 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
    • 38. Configure IP gateway to point to more than one UM server
    Unified Messaging
  • 39. High Availability Management (Closure)
    demo
  • 40. 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
  • 41. Learn More About Exchange 2010
    Community Resources
    Technical Resources
    Get Hands on Training
    • Exchange Team Blog
    • 42. Exchange Forums
    • 43. The New Efficiency Virtual Launch Experience
    • 44. TechNet Exchange Website
    • 45. 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
  • 46. © 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.