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Lync 2013 Disaster Recovery Deep Dive

Lync 2013 Disaster Recovery Deep Dive. Phil Sharp | Project Leadership Associates psharp@projectleadership.net (312) 258-5320. Agenda. Disaster Recovery options in Lync 2010 Disaster Recovery scenarios in Lync 2013 Lync 2013 DR Under the Hood Lync 2013 DR Best Practices.

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Lync 2013 Disaster Recovery Deep Dive

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  1. Lync 2013 Disaster RecoveryDeep Dive Phil Sharp | Project Leadership Associates psharp@projectleadership.net (312) 258-5320

  2. Agenda • Disaster Recovery options in Lync 2010 • Disaster Recovery scenarios in Lync 2013 • Lync 2013 DR Under the Hood • Lync 2013 DR Best Practices

  3. Lync 2010 Disaster Recovery Option 1 West Data Center East Data Center Primary/Backup Registrar • Two separate pools deployed in Lync topology • Weighted DNS SRV auto-configuration records • Relationship configured in Topology Builder Backup Registrar Failover WAN WAN Lync Server 2010Edge2 Lync Server 2010 Pool 2 Lync Server 2010Edge1 Lync Server 2010Pool 1

  4. Lync 2010 Disaster Recovery Option 1 Primary/Backup Registrar Pros • Easy to configure • Relatively inexpensive • Continuous voice services during failover • Can be leveraged regardless of deploymentstrategy (Standard or Enterprise) Cons • Loss of client features during failover • Restoration of data required during extended failover

  5. Lync 2010 Disaster Recovery Option 2 Metropolitan Resiliency • Single Enterprise Edition pool stretched across multiple datacenters West Data Center East Data Center Passive SQL Active SQL Lync Server 2010Edge FE 3-4 Lync Server 2010Edge FE 1-2 Low-Latency WAN

  6. Lync 2010 Disaster Recovery Option 2 Metropolitan Resiliency Pros • No loss of functionality during failover Cons • Steep technical requirements • Datacenters had to be geographically close • Relatively expensive

  7. Lync 2013 Disaster Recovery • Metropolitan Resiliency is no longer supported • Backup/restoration of data is less than ideal The Answer? Pool Pairing • The best of both previous DR options • Configured in Topology Builder • 1:1 relationship between pools • Easy to administer • Reduced capital expenditure • Provides automatic voice resiliency • All primary client-facing features are retained during failover

  8. Lync 2013 Disaster Recovery Feature Availability

  9. How is data replicated between Lync Pools?

  10. Lync 2013 Disaster Recovery Process • First fail over the Central Management Store (CMS) • Invoke-CsManagementServerFailover –BackupSqlServerFqdn <Pool02 Primary SQL FQDN> -BackupInstanceName <Named Instance> • Then fail over user data from Pool01 to Pool02 • Invoke-CsPoolFailover –PoolFqdn <Pool01> -DisasterMode

  11. Lync 2013 Disaster Recovery Process What do I do when I’ve recovered my primary site? • Fail back the user data • Invoke-CsPoolFailback –PoolFqdn <Pool01> • CMS can be failed back, or can be left on the backup pool • Same command used for failover

  12. Best Practices for Pool Pairing in Lync 2013 • Each pool should be sized to support the entire load of the user base • Active/Passive • Active/Active • Pair like pools • Deployment topologies • Physical or virtualized • Keep paired pools within the same geographic region (i.e. NA, APAC, EU) • Geographically separate pools by enough distance for DR purposes

  13. Q & A Phil Sharp | Project Leadership Associates psharp@projectleadership.net (312) 258-5320

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