Backup/Failover CRM system.

Hi,

I am looking for some advice on my current setup with CRM 4.
I currently have 1 Web server running CRM Dynamics 4.0 front end and another server which is running SQL 08 and holds the databases.
I want to minimize down time in the event of a disaster, our company heavily relies on the CRM system and even being off for 30 minutes would have a severe impact.
I am looking at a way of replicating the current environment so if one of the servers did go off, we could just switch to the backup, has anyone got a setup like this? What would be the best way of achieving this?
BigBlueManAsked:
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Feridun KadirPrincipal ConsultantCommented:
You should consider clustering the CRM Web Server and the SQL server. This will cost in additional computer hardware but will provide more or less zero downtime and automatic failover.

This article might help you get started: http://rc.crm.dynamics.com/rc/regcont/en_us/op/articles/crm_server_nlb.aspx#ID0ESF
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BigBlueManAuthor Commented:
ok is clustering the best way to achive this then?
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Feridun KadirPrincipal ConsultantCommented:
I would say so - especially given your comment that even 30 minutes downtime would be bad.

With a cluster you have 2 or more computers monitoring each other and if one fails the other one kicks in to provide continuity service. You'll need to think about dual power supplies and apporpriately configured disks using some form of RAID as well. It all depends on how far you want to - the greater the protection the higher the cost.

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BigBlueManAuthor Commented:
is there some software that is used to monitor the cluster in this type of enviroment?

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Feridun KadirPrincipal ConsultantCommented:
Yes it is part of Windows Server. Have a look at this site:

http://www.microsoft.com/windowsserver2008/en/us/failover-clustering-overview.aspx


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