[THIN] Citrix Disaster Recovery

Hi

I am implementing a Citrix DR solution and I wanted to share my design with the 
group to see if there are better ways of doing it

2 sites in the same state connected with a 100Mb link

Site 1 (Main Site)

Citrix Zone 1
2 x Citrix Web Interface (Physical Server)
1 x SQL Server (shared) for DataStore
20 x Citrix Presentation Server 4.0 (Physical Server)
1 x Primary Zone Data Collector (Dedicated Physical Server)
1 x backup ZDC (on existing Presentation Server)


Site 2 (DR Site)

Citrix Zone 2
1 x Citrix Web Interface (Virtual Server)
1 x SQL Server (shared) for DataStore
8 x Citrix Presentation Server 4.0 (Physical Server)
1 x Primary Zone Data Collector  (on existing Presentation Server)
1 x backup ZDC (on existing Presentation Server)

All servers are in a single Citrix farm but across 2 zones.  The Zone Data 
collectors do not share information as the servers in Site 2 are not used.  
They will only be used in a DR scenario.  The SQL database is replicated to the 
DR site nightly.

I have a few queries I was hoping the group could help with

1) Site 1 uses Web Interface 4.2.  Will there be any issues if I use Web 
interface 4.6 at Site 2?  Will WI 4.6 change anything on the farm that may 
affect WI 4.2?

2) In a DR scenario, I was expecting to simply change the DNS entry which users 
use to connect to the Production Web Interface (Site 1) to that of the DR Web 
Interface server (Site 2) via a simple IP change.  I have duplicated all 
Production Published Apps and have associated them to the Citrix Servers in 
Site 2.

Would this work?  Is there a better way to do this?  Any help or links to best 
practice guides appreciated

Thanks
Angela

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