Exchange 2013 DAG w/FSW for 2 node active passive

Hi,


I've been asked to set up an active/passive DAG that will be on the same site, the active node will be linked to one set of storage and the passive node would run connected to a slightly slower bit of storage (they're both still fast though :)) The FSW would run on the same hardware as the active node.

The idea is the passive node could be made active during a failure/patching and used to backup straight to tape.  Could I run the passive node with dynamic ram?

Does this sound like an ok setup?

Thanks


  • Edited by arghargh Thursday, August 27, 2015 5:34 AM
August 27th, 2015 5:04am

Dynamic memory is not supported and I assume you are about visualization...

Exchange 2013 virtualization - https://technet.microsoft.com/en-us/library/jj619301%28v=exchg.150%29.aspx?f=255&MSPPError=-2147217396

Some hypervisors have the ability to oversubscribe or dynamically adjust the amount of memory available to a specific guest machine based on the perceived usage of memory in the guest machine as compared to the needs of other guest machines managed by the same hypervisor. This technology makes sense for workloads in which memory is needed for brief periods of time and then can be surrendered for other uses. However, it doesn't make sense for workloads that are designed to use memory on an ongoing basis. Exchange, like many server applications with optimizations for performance that involve caching of data in memory, is susceptible to poor system performance and an unacceptable client experience if it doesn't have full control over the memory allocated to the physical or virtual machine on which it's running. As a result, using dynamic memory features for Exchange isn't supported.

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August 27th, 2015 7:04pm

Dynamic VHD is not supported and  recommend nods to configure the same for the active and passive server MBX.

Exchange 2013 storage configuration options 


August 27th, 2015 10:24pm

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