Exchange Server 2010 SP 2 High Availability Deep
Exchange Server 2010 SP 2 High Availability Deep Dive Scott Schnoll Principal Technical Writer Microsoft Corporation
Deep Dive Recent Behavior Changes Code changes in Service Pack 2 (SP 2) and Update Rollup 3 for SP 2
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High Availability Concepts http: //aka. ms/Ex. HAConcepts
Deep Dive Database Availability Group Networks
Server / Network IP Address / Subnet Bits Default Gateway EX 1 – MAPI 192. 168. 0. 15/24 192. 168. 0. 1 EX 1 – REPLICATION 10. 0. 0. 15/24 N/A EX 2 – MAPI 192. 168. 0. 16/24 192. 168. 0. 1 EX 2 – REPLICATION 10. 0. 0. 16/24 N/A Name Subnet(s) Interface(s) MAPI Access Enabled Replication Enabled DAGNetwork 01 192. 168. 0. 0/24 EX 1 (192. 168. 0. 15) EX 2 (192. 168. 0. 16) True DAGNetwork 02 10. 0/24 EX 1 (10. 0. 0. 15) EX 2 (10. 0. 0. 16) False True
Server / Network IP Address / Subnet Bits Default Gateway EX 1 – MAPI 192. 168. 0. 15/24 192. 168. 0. 1 EX 1 – REPLICATION 10. 0. 0. 15/24 N/A EX 2 – MAPI 192. 168. 1. 15/24 192. 168. 1. 1 EX 2 – REPLICATION 10. 0. 1. 15/24 N/A Name Subnet(s) Interface(s) MAPI Access Enabled Replication Enabled DAGNetwork 01 192. 168. 0. 0/24 EX 1 (192. 168. 0. 15) True DAGNetwork 02 10. 0/24 EX 1 (10. 0. 0. 15) False True DAGNetwork 03 192. 168. 1. 0/24 EX 2 (192. 168. 1. 15) True DAGNetwork 04 10. 0. 1. 0/24 EX 2 (10. 0. 1. 15) False True
Set-Database. Availability. Group. Network -Identity DAG 2DAGNetwork 01 -Subnets 192. 168. 0. 0, 192. 168. 1. 0 -Replication. Enabled: $false Set-Database. Availability. Group. Network -Identity DAG 2DAGNetwork 02 -Subnets 10. 0, 10. 0. 1. 0 Remove-Database. Availability. Group. Network -Identity DAG 2DAGNetwork 03 Remove-Database. Availability. Group. Network -Identity DAG 2DAGNetwork 04 Name Subnet(s) Interface(s) MAPI Access Enabled Replication Enabled DAGNetwork 01 192. 168. 0. 0/24 EX 1 (192. 168. 0. 15) True DAGNetwork 02 10. 0/24 EX 1 (10. 0. 0. 15) False True DAGNetwork 03 192. 168. 1. 0/24 EX 2 (192. 168. 1. 15) True DAGNetwork 04 10. 0. 1. 0/24 EX 2 (10. 0. 1. 15) False True
Set-Database. Availability. Group. Network -Identity DAG 2DAGNetwork 01 -Subnets 192. 168. 0. 0, 192. 168. 1. 0 -Replication. Enabled: $false Name Subnet(s) Interface(s) MAPI Access Enabled Replication Enabled DAGNetwork 01 192. 168. 0. 0/24 EX 1 (192. 168. 0. 15) True DAGNetwork 02 10. 0/24 EX 1 (10. 0. 0. 15) False True DAGNetwork 03 192. 168. 1. 0/24 EX 2 (192. 168. 1. 15) True DAGNetwork 04 10. 0. 1. 0/24 EX 2 (10. 0. 1. 15) False True
Set-Database. Availability. Group. Network -Identity DAG 2DAGNetwork 01 -Subnets 192. 168. 0. 0, 192. 168. 1. 0 -Replication. Enabled: $false Name Subnet(s) Interface(s) MAPI Access Enabled Replication Enabled DAGNetwork 01 192. 168. 0. 0/24 192. 168. 1. 0/24 EX 1 (192. 168. 0. 15) EX 2 (192. 168. 1. 15) True False DAGNetwork 02 10. 0/24 EX 1 (10. 0. 0. 15) False True 10. 0. 1. 0/24 EX 2 (10. 0. 1. 15) False True DAGNetwork 03 DAGNetwork 04
Set-Database. Availability. Group. Network -Identity DAG 2DAGNetwork 01 -Subnets 192. 168. 0. 0, 192. 168. 1. 0 -Replication. Enabled: $false Set-Database. Availability. Group. Network -Identity DAG 2DAGNetwork 02 -Subnets 10. 0, 10. 0. 1. 0 Name Subnet(s) Interface(s) MAPI Access Enabled Replication Enabled DAGNetwork 01 192. 168. 0. 0/24 192. 168. 1. 0/24 EX 1 (192. 168. 0. 15) EX 2 (192. 168. 1. 15) True False DAGNetwork 02 10. 0/24 EX 1 (10. 0. 0. 15) False True 10. 0. 1. 0/24 EX 2 (10. 0. 1. 15) False True DAGNetwork 03 DAGNetwork 04
Set-Database. Availability. Group. Network -Identity DAG 2DAGNetwork 01 -Subnets 192. 168. 0. 0, 192. 168. 1. 0 -Replication. Enabled: $false Set-Database. Availability. Group. Network -Identity DAG 2DAGNetwork 02 -Subnets 10. 0, 10. 0. 1. 0 Name Subnet(s) Interface(s) DAGNetwork 01 192. 168. 0. 0/24 192. 168. 1. 0/24 EX 1 (192. 168. 0. 15) EX 2 (192. 168. 1. 15) True False DAGNetwork 02 10. 0/24 10. 0. 1. 0/24 EX 1 (10. 0. 0. 15) EX 2 (10. 0. 1. 15) False True DAGNetwork 03 DAGNetwork 04 MAPI Access Enabled Replication Enabled
Set-Database. Availability. Group. Network -Identity DAG 2DAGNetwork 01 -Subnets 192. 168. 0. 0, 192. 168. 1. 0 -Replication. Enabled: $false Set-Database. Availability. Group. Network -Identity DAG 2DAGNetwork 02 -Subnets 10. 0, 10. 0. 1. 0 Remove-Database. Availability. Group. Network -Identity DAG 2DAGNetwork 03 Remove-Database. Availability. Group. Network -Identity DAG 2DAGNetwork 04 Name Subnet(s) Interface(s) DAGNetwork 01 192. 168. 0. 0/24 192. 168. 1. 0/24 EX 1 (192. 168. 0. 15) EX 2 (192. 168. 1. 15) True False DAGNetwork 02 10. 0/24 10. 0. 1. 0/24 EX 1 (10. 0. 0. 15) EX 2 (10. 0. 1. 15) False True DAGNetwork 03 DAGNetwork 04 MAPI Access Enabled Replication Enabled
Set-Database. Availability. Group. Network -Identity DAG 2DAGNetwork 01 -Subnets 192. 168. 0. 0, 192. 168. 1. 0 -Replication. Enabled: $false Set-Database. Availability. Group. Network -Identity DAG 2DAGNetwork 02 -Subnets 10. 0, 10. 0. 1. 0 Remove-Database. Availability. Group. Network -Identity DAG 2DAGNetwork 03 Remove-Database. Availability. Group. Network -Identity DAG 2DAGNetwork 04 Name Subnet(s) Interface(s) MAPI Access Enabled Replication Enabled DAGNetwork 01 192. 168. 0. 0/24 192. 168. 1. 0/24 EX 1 (192. 168. 0. 15) EX 2 (192. 168. 1. 15) True False DAGNetwork 02 10. 0/24 10. 0. 1. 0/24 EX 1 (10. 0. 0. 15) EX 2 (10. 0. 1. 15) False True
Allowed Subnet 1 Subnet 3 M M R R Subnet 2 Subnet 4 Blocked
Deep Dive Active Manager
Deep Dive Best Copy Selection
Criteria Copy Queue Length Replay Queue Length Content Index Status 1 < 10 logs < 50 logs Healthy 2 < 10 logs < 50 logs Crawling 3 N/A < 50 logs Healthy 4 N/A < 50 logs Crawling 5 N/A < 50 logs N/A 6 < 10 logs N/A Healthy 7 < 10 logs N/A Crawling 8 N/A Healthy 9 N/A Crawling 10 Any database copy with a status of Healthy, Disconnected. And. Resynchronizing, or Seeding. Source
Server 1 Server 2 Server 3 Server 4 X DB 1 Database Copy Activation Preference Copy Queue Length Replay Queue Length CI State Database State Server 2DB 1 2 4 0 Healthy Server 3DB 1 3 2 2 Healthy Disc. And. Healthy Server 4DB 1 4 10 0 Crawling Healthy
Database Copy Activation Preference Copy Queue Length Replay Queue Length CI State Database State Server 2DB 1 2 4 0 Healthy Server 3DB 1 3 2 2 Healthy Disc. And. Healthy Server 4DB 1 4 10 0 Crawling Healthy
Server 3DB 1 Server 2DB 1 Database Copy Lowest copy queue length – tried first Activation Preference Copy Queue Length Replay Queue Length CI State Database State Server 2DB 1 2 4 0 Healthy Server 3DB 1 3 2 2 Healthy Disc. And. Healthy Server 4DB 1 4 10 0 Crawling Healthy
Server 1 Server 2 Server 3 Server 4 X DB 1 Database Copy Activation Preference Copy Queue Length Replay Queue Length CI State Database State Server 2DB 1 2 4 0 Healthy Server 3DB 1 3 2 2 Healthy Disc. And. Healthy Server 4DB 1 4 10 0 Crawling Healthy
Database Copy Activation Preference Copy Queue Length Replay Queue Length CI State Database State Server 2DB 1 2 4 0 Healthy Server 3DB 1 3 2 2 Healthy Disc. And. Healthy Server 4DB 1 4 10 0 Crawling Healthy
Server 2DB 1 Database Copy Lowest preference value – tried first Activation Preference Copy Queue Length Replay Queue Length CI State Database State Server 2DB 1 2 4 0 Healthy Server 3DB 1 3 2 2 Healthy Disc. And. Healthy Server 4DB 1 4 10 0 Crawling Healthy
Deep Dive Datacenter Activation Coordination Mode The Mommy. May. IMount Bit
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EXL 308 - Real World High Availability and Site Resilient Design EXL 307 - Using a Load Balancer in Your Exchange Server 2010 Environment EXL 316 - Microsoft Lync 2010: Availability, Resiliency, and Recovery EXL 203 - How to Tell Your Manager You Need Quotas on Your Mailboxes Find Me Later Today At the Exchange Booth from 12: 30 -1: 30
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