troubleshooting Question

Designing High Availability for SQL 2008, Exchange 2010 and IIS

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ITMaster1979Flag for Afghanistan asked on
ExchangeMicrosoft SQL Server 2008Virtualization
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Dear All,

  I need your advise if possible.

Im planning a high availability setup for SQL , Exchange 2010 and IIS web server that have some systems on physical servers ( NO Hyper-V) and some with Hyper-V installations.

My plan
for SQL 2008 Database.

in Primary Site

Physical servers

1- (System 1)active/passive cluster  using Microsoft clustering  and the SAN is replicating to another SAN in the Disaster Recovery SAN with using third-party software such as DoubleTake

2- (system 2)  SQL 2008 server replicating to another SQL server in the Disaster recovery site using Database mirroring

Hyper-V setup

Exchange 2010, SQL 2008, IIS

Primary site
Two Hyper-V Host servers
- One Mailbox and one Hub/CAS on each host clustered using DAG.( two MBX, two CAS.Hub)
- IIS server on one of the  host server.
- One SQL 2008 replication in the DR site using Database mirroring.

Disaster Recovery site

Two Host servers running Hyper-v
- One Exchange MBX and one CAS/Hub
- One IIS configured with NLB with one IIS in the primary site.
- second SQL 2008 server configured using Database mirroring with the primary site.

my questions.

1- for my physical server in the primary site, I will have new IBM server in the active node clustered with the passive node which is also IBM but has a different configurations and model
Will the Microsoft cluster support different Hardware?
2- For hyper-V for Exchange 2010
 how may servers I need in the DR site to automate the failover or do I need to failover manually?

any other recommedations

Thanks for the supports
Antonio Vargas
Microsoft Senior Cloud Consultant

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