INSTALLING MICROSOFT EXCHANGE SERVER 2003 CLUSTERS AND FRONT-END AND BACK‑END SERVERS
OVERVIEW <ul><li>Clustering Exchange Server 2003 servers </li></ul><ul><li>Installing Exchange Server 2003 on a Microsoft ...
CLUSTERING EXCHANGE SERVER 2003 SERVERS <ul><li>Supported clustering types </li></ul><ul><li>Network load balancing  </li>...
SUPPORTED CLUSTERING TYPES <ul><li>Network load balancing </li></ul><ul><li>Microsoft Cluster service </li></ul>
NETWORK LOAD BALANCING <ul><li>Configured through the Network Load Balancing Manager </li></ul><ul><li>Runs as a driver in...
NETWORK LOAD BALANCING (CONT.) <ul><li>Distributes TCP/IP traffic between the cluster nodes </li></ul><ul><li>Only works w...
THE LOAD BALANCED CLUSTER <ul><li>Seen as a single resource </li></ul><ul><li>Operates by default in Unicast mode  </li></...
NETWORK LOAD BALANCING ON MULTIHOMED SERVERS <ul><li>Advantages to using two network cards: </li></ul><ul><ul><li>Increase...
HEARTBEATS <ul><li>Network packets emitted every second by each node in a cluster </li></ul><ul><li>When a node goes offli...
MICROSOFT CLUSTER SERVICE <ul><li>A cluster appears as a single network resource to client computers  </li></ul><ul><li>Ap...
MICROSOFT CLUSTER SERVICE FEATURES <ul><li>Requires Windows Server 2003 Enterprise Edition or Datacenter Edition </li></ul...
CLUSTER SERVICE CONFIGURATIONS <ul><li>Single node server clusters </li></ul><ul><li>Single quorum device server clusters ...
CLUSTER STORAGE DEVICE REQUIREMENTS <ul><li>The cluster storage device cannot use: </li></ul><ul><ul><li>Integrated Device...
Cluster Hardware Configuration <ul><li>Shared Small Computer System Interface (SCSI) bus </li></ul><ul><li>Fast, reliable ...
ACTIVE/ACTIVE AND ACTIVE/PASSIVE CLUSTERS <ul><li>Active/active clusters limited to two nodes </li></ul><ul><li>Active/act...
Two-Node Hardware Configuration
The Small Computer System Interface (SCSI) Reserve Command
Active/Active Clustering
Failover and Failback Procedures
Clustering Support in  Exchange 2003 Server <ul><li>Server installation </li></ul><ul><li>Resource groups </li></ul><ul><l...
INSTALLING EXCHANGE SERVER 2003 ON A WINDOWS SERVER 2003 CLUSTER <ul><li>Similar to a normal installation </li></ul><ul><l...
NEW SERVER CLUSTER WIZARD
THE NEW CLUSTER
INSTALLING EXCHANGE 2003 <ul><li>Install Microsoft Distributed Transaction Coordinator (MSDTC)  </li></ul><ul><li>Run Fore...
MANAGING AN EXCHANGE SERVER 2003 CLUSTER <ul><li>Creating an Exchange Server 2003 virtual server </li></ul><ul><li>Managin...
CREATING AN EXCHANGE SERVER 2003 VIRTUAL SERVER <ul><li>Two-node active/passive Exchange Server 2003 cluster </li></ul><ul...
EXCHANGE SERVER 2003 VIRTUAL SERVER RESOURCE REQUIREMENTS <ul><li>Static IP address </li></ul><ul><li>Unique network name ...
RESOURCES CREATED BY EXCHANGE SYSTEM ATTENDANT
MANAGING EXCHANGE SERVER 2003 CLUSTERED SERVICES <ul><li>Managed in Cluster Administrator </li></ul><ul><li>Most default s...
CONFIGURING INDIVIDUAL RESOURCE PROPERTIES
TESTING POLICIES <ul><li>Test the restart, failover, and failback policies  </li></ul><ul><li>Right-click a resource and s...
CONFIGURING EXCHANGE SERVER 2003 IN A FRONT-END AND BACK-END CONFIGURATION <ul><li>Configuring Exchange Server 2003 as a f...
CONFIGURING EXCHANGE SERVER 2003 AS A FRONT-END SERVER <ul><li>Front-end servers relay Internet traffic to back-end server...
ADDITIONAL CONSIDERATIONS  <ul><li>If the front-end server accepts Simple Mail Transfer Protocol (SMTP) mail from Internet...
FRONT-END SERVERS AND CLUSTERING <ul><li>Do not host user data </li></ul><ul><li>Well suited for using network load balanc...
FRONT-END SERVERS AND CLUSTERING (CONT.) <ul><li>Cluster functions as a single entity to client requests </li></ul><ul><li...
BACK-END SERVERS AND CLUSTERING <ul><li>Host user mailboxes and public folders </li></ul><ul><li>Well suited for the Micro...
SUMMARY <ul><li>Microsoft Cluster service and network load balancing </li></ul><ul><li>Installing Exchange Server 2003 on ...
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Clustering of Exchnage server

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Clustering of Exchnage server

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Clustering of Exchnage server

  1. 1. INSTALLING MICROSOFT EXCHANGE SERVER 2003 CLUSTERS AND FRONT-END AND BACK‑END SERVERS
  2. 2. OVERVIEW <ul><li>Clustering Exchange Server 2003 servers </li></ul><ul><li>Installing Exchange Server 2003 on a Microsoft Windows Server 2003 cluster </li></ul><ul><li>Managing an Exchange Server 2003 cluster </li></ul><ul><li>Configuring Exchange Server 2003 in a front-end and back-end configuration </li></ul>
  3. 3. CLUSTERING EXCHANGE SERVER 2003 SERVERS <ul><li>Supported clustering types </li></ul><ul><li>Network load balancing </li></ul><ul><li>Microsoft Cluster service </li></ul><ul><li>Cluster service configurations </li></ul><ul><li>Failover configurations </li></ul><ul><li>Active/active and active/passive </li></ul><ul><li>Clustering components </li></ul>
  4. 4. SUPPORTED CLUSTERING TYPES <ul><li>Network load balancing </li></ul><ul><li>Microsoft Cluster service </li></ul>
  5. 5. NETWORK LOAD BALANCING <ul><li>Configured through the Network Load Balancing Manager </li></ul><ul><li>Runs as a driver in Microsoft Windows </li></ul><ul><li>Distributes incoming requests across each node in the cluster </li></ul><ul><li>Can contain as few as 2 nodes and as many as 32 nodes </li></ul>
  6. 6. NETWORK LOAD BALANCING (CONT.) <ul><li>Distributes TCP/IP traffic between the cluster nodes </li></ul><ul><li>Only works with TCP/IP </li></ul><ul><li>No special hardware is required </li></ul><ul><li>Servers are not required to be members of a domain </li></ul>
  7. 7. THE LOAD BALANCED CLUSTER <ul><li>Seen as a single resource </li></ul><ul><li>Operates by default in Unicast mode </li></ul><ul><li>Addressed by a single IP address </li></ul><ul><li>Each node also retains its own unique IP address </li></ul><ul><li>Applications are installed individually on each node </li></ul>
  8. 8. NETWORK LOAD BALANCING ON MULTIHOMED SERVERS <ul><li>Advantages to using two network cards: </li></ul><ul><ul><li>Increases the fault tolerance of the individual server </li></ul></ul><ul><ul><li>Enables communication between cluster nodes </li></ul></ul>
  9. 9. HEARTBEATS <ul><li>Network packets emitted every second by each node in a cluster </li></ul><ul><li>When a node goes offline, its heartbeats stop </li></ul><ul><li>After five seconds the remaining nodes in the cluster begin to remove the unresponsive server </li></ul><ul><li>This process is called convergence </li></ul><ul><li>Convergence also redirects incoming client requests to other nodes for handling </li></ul>
  10. 10. MICROSOFT CLUSTER SERVICE <ul><li>A cluster appears as a single network resource to client computers </li></ul><ul><li>Application and service aware </li></ul><ul><li>Full failover protection for both servers and applications </li></ul><ul><li>Does not load balance </li></ul><ul><li>Requires a cluster storage device </li></ul>
  11. 11. MICROSOFT CLUSTER SERVICE FEATURES <ul><li>Requires Windows Server 2003 Enterprise Edition or Datacenter Edition </li></ul><ul><li>Up to eight-node clusters supported </li></ul><ul><li>Each cluster node must be running the same operating system version </li></ul><ul><li>Restrictions relaxed for a two-node cluster </li></ul><ul><li>Servers must all be members of the same domain </li></ul>
  12. 12. CLUSTER SERVICE CONFIGURATIONS <ul><li>Single node server clusters </li></ul><ul><li>Single quorum device server clusters </li></ul><ul><li>Majority node set server clusters </li></ul>
  13. 13. CLUSTER STORAGE DEVICE REQUIREMENTS <ul><li>The cluster storage device cannot use: </li></ul><ul><ul><li>Integrated Device Electronics (IDE) disks </li></ul></ul><ul><ul><li>Software RAID </li></ul></ul><ul><ul><li>Dynamic volumes </li></ul></ul><ul><ul><li>Mount points or mounted volumes </li></ul></ul><ul><ul><li>Encrypting File System </li></ul></ul><ul><ul><li>Remote storage </li></ul></ul>
  14. 14. Cluster Hardware Configuration <ul><li>Shared Small Computer System Interface (SCSI) bus </li></ul><ul><li>Fast, reliable network card to the local area network (LAN) </li></ul><ul><li>Network card to the private area network </li></ul>
  15. 15. ACTIVE/ACTIVE AND ACTIVE/PASSIVE CLUSTERS <ul><li>Active/active clusters limited to two nodes </li></ul><ul><li>Active/active clusters support up to 1900 concurrent client connections </li></ul><ul><li>Active/passive clusters can consist of up to eight nodes </li></ul><ul><li>Active/passive clusters scale to significantly higher numbers </li></ul><ul><li>Active/passive clusters generally more reliable </li></ul><ul><li>Message transfer agent (MTA) always active/passive </li></ul>
  16. 16. Two-Node Hardware Configuration
  17. 17. The Small Computer System Interface (SCSI) Reserve Command
  18. 18. Active/Active Clustering
  19. 19. Failover and Failback Procedures
  20. 20. Clustering Support in Exchange 2003 Server <ul><li>Server installation </li></ul><ul><li>Resource groups </li></ul><ul><li>Virtual servers </li></ul>
  21. 21. INSTALLING EXCHANGE SERVER 2003 ON A WINDOWS SERVER 2003 CLUSTER <ul><li>Similar to a normal installation </li></ul><ul><li>First prepare the Windows Server 2003 cluster servers </li></ul><ul><li>Cluster service automatically installed on Windows Server 2003 </li></ul><ul><li>Need to configure the Cluster service using Cluster Administrator </li></ul>
  22. 22. NEW SERVER CLUSTER WIZARD
  23. 23. THE NEW CLUSTER
  24. 24. INSTALLING EXCHANGE 2003 <ul><li>Install Microsoft Distributed Transaction Coordinator (MSDTC) </li></ul><ul><li>Run ForestPrep </li></ul><ul><li>Run DomainPrep </li></ul><ul><li>Install Exchange Server 2003 on each node of the cluster </li></ul><ul><li>Use the Cluster Administrator console to configure the Exchange Server 2003 virtual servers </li></ul><ul><li>Assign the Cluster service account the Exchange Full Administrator role </li></ul>
  25. 25. MANAGING AN EXCHANGE SERVER 2003 CLUSTER <ul><li>Creating an Exchange Server 2003 virtual server </li></ul><ul><li>Managing Exchange Server 2003 Clustered services </li></ul>
  26. 26. CREATING AN EXCHANGE SERVER 2003 VIRTUAL SERVER <ul><li>Two-node active/passive Exchange Server 2003 cluster </li></ul><ul><ul><li>One Exchange Server 2003 virtual server </li></ul></ul><ul><li>Two-node active/active Exchange Server 2003 cluster </li></ul><ul><ul><li>Two Exchange Server 2003 virtual servers </li></ul></ul>
  27. 27. EXCHANGE SERVER 2003 VIRTUAL SERVER RESOURCE REQUIREMENTS <ul><li>Static IP address </li></ul><ul><li>Unique network name </li></ul><ul><li>Shared physical disk </li></ul><ul><li>Exchange System Attendant resource </li></ul>
  28. 28. RESOURCES CREATED BY EXCHANGE SYSTEM ATTENDANT
  29. 29. MANAGING EXCHANGE SERVER 2003 CLUSTERED SERVICES <ul><li>Managed in Cluster Administrator </li></ul><ul><li>Most default settings are adequate </li></ul><ul><li>Might want to reconfigure failover and failback </li></ul>
  30. 30. CONFIGURING INDIVIDUAL RESOURCE PROPERTIES
  31. 31. TESTING POLICIES <ul><li>Test the restart, failover, and failback policies </li></ul><ul><li>Right-click a resource and select Initiate Failure </li></ul><ul><li>Manually stop the Cluster service on a server node </li></ul><ul><li>Start the service again and test the failback policy </li></ul>
  32. 32. CONFIGURING EXCHANGE SERVER 2003 IN A FRONT-END AND BACK-END CONFIGURATION <ul><li>Configuring Exchange Server 2003 as a front-end server </li></ul><ul><li>Front-end and back-end servers and clustering </li></ul>
  33. 33. CONFIGURING EXCHANGE SERVER 2003 AS A FRONT-END SERVER <ul><li>Front-end servers relay Internet traffic to back-end servers on the internal network </li></ul><ul><li>Cannot host a Recipient Update Service </li></ul><ul><li>Cannot host offline address lists </li></ul><ul><li>Mailbox Management service must be removed </li></ul><ul><li>Free and busy service must be removed </li></ul>
  34. 34. ADDITIONAL CONSIDERATIONS <ul><li>If the front-end server accepts Simple Mail Transfer Protocol (SMTP) mail from Internet-based clients: </li></ul><ul><ul><li>Start the Microsoft Exchange Information Store service </li></ul></ul><ul><ul><li>Mount at least one mailbox store </li></ul></ul><ul><ul><li>Ensure that user mailboxes are not stored in the mailbox store </li></ul></ul><ul><li>Do not delete the First Storage Group object </li></ul><ul><li>One front-end server for every four back-end servers recommended </li></ul>
  35. 35. FRONT-END SERVERS AND CLUSTERING <ul><li>Do not host user data </li></ul><ul><li>Well suited for using network load balancing </li></ul><ul><li>Up to 32 nodes in a cluster </li></ul><ul><li>Cluster service Internet-based clients connect through: </li></ul><ul><ul><li>Outlook Web Access (OWA) </li></ul></ul><ul><ul><li>Post Office Protocol version 3 (POP3) </li></ul></ul><ul><ul><li>Internet Message Access Protocol version 4 (IMAP4) </li></ul></ul>
  36. 36. FRONT-END SERVERS AND CLUSTERING (CONT.) <ul><li>Cluster functions as a single entity to client requests </li></ul><ul><li>Cluster relays traffic between the client computer and the back-end server </li></ul>
  37. 37. BACK-END SERVERS AND CLUSTERING <ul><li>Host user mailboxes and public folders </li></ul><ul><li>Well suited for the Microsoft Cluster service </li></ul><ul><li>Complete failover protection is typically required </li></ul><ul><li>Map each front-end server to all back-end server nodes </li></ul><ul><li>Communication between front-end and back-end servers goes through TCP port 80 </li></ul>
  38. 38. SUMMARY <ul><li>Microsoft Cluster service and network load balancing </li></ul><ul><li>Installing Exchange Server 2003 on cluster nodes </li></ul><ul><li>Managing clusters </li></ul><ul><li>Front-end and back-end servers </li></ul>
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