[THIN] Re: Citrix Disaster Recovery Assistance required
- From: "Steve Greenberg" <steveg@xxxxxxxxxxxxxx>
- To: <thin@xxxxxxxxxxxxx>
- Date: Thu, 22 Jan 2009 08:44:53 -0700
The quick answer is that from the client perspective you want to implement
zone preference and failover. From the backend point of view you need to
replicate and/or cluster the file and database resources. Each piece needs
to be addressed for it's own technology, i.e. SQL replication, file share
(perhaps with DFS), etc.
Steve Greenberg
Thin Client Computing
34522 N. Scottsdale Rd D8453
Scottsdale, AZ 85266
(602) 432-8649
www.thinclient.net
steveg@xxxxxxxxxxxxxx
_____
From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx] On Behalf
Of Angela Smith
Sent: Wednesday, January 21, 2009 9:24 PM
To: thin@xxxxxxxxxxxxx
Subject: [THIN] Citrix Disaster Recovery Assistance required
Hi
Im looking at upgrading our Citrix farm to incorporate DR capability which
is currently lacking. We have a 1Gb link between the 2 sites in the same
city. I was looking at implementing the following:
Primary Site (Site 1)
2 x Web Interface Servers using Windows Network Load Balancing (VMWare
Virtual Server)
1 x Dedicated Zone Data Collector (VMWare Virtual Server)
10 x Citrix Presentation Server 4 (Physical Servers)
1 x SQL Server for Datastore (VMWare Virtual Server)
1 x File Server for Citrix Roaming Profiles and File Store (Physical Server)
1 x MS Print Server (VMWare Virtual Server)
DR + Secondary Site (Site 2)
1 x Web Interface (VMWare Virtual Server)
1 x Backup Zone Data Collector (VMWare Virtual Server)
10 x Citrix Presentation Server 4 (Physical Server)
1 x SQL Server for Datastore (backup only)
1 x File Server for Citrix Roaming Profiles and File Store (backup only)
1 x MS Print Server (VMWare Virtual Server - backup only)
We are running Citrix Presentation Server 4/Windows 2003. File Server and
SQL datastore data are replicated between both sites. All Citrix Servers
will use the File Server in Site 1 but we need to ensure Citrix Servers are
load balanced across both sites. Can the following be achieved:
1) I need to build redundancy so if Site 1 is down, all users can connect to
Site 2 automatically (its acceptable if they need to logout/login). Can this
be achieved using Citrix PNAgent and Web Interface clients? Do we need to
implement DNS changes or can the failover be automatic?
2) We want to ensure Citrix users in Site 1 connect to Citrix Server in Site
1 and users in Site 2 connect to Citrix Servers in Site 2. Will zone
preference and failover settings achieve this?
3) Is one Zone sufficient or should I have a zone for each site?
Can anyone suggest any best practices / links to guides for such an
implementation or better ways to implement such a solution. I need to
ensure the DR solution is as seamless as possible.
Thanks
_____
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