Questions about storage in a Hyper-V environment

I have recently set up a single hyper-V host with two guests VMs. The  host is a HP Proliant DL380 G9 with 4 SATA drives in a RIAD 5 configuration, one drive being  a hot spare.

 One server is a DC and also contains a SQL (EXPRESS) database and a virtual disk is attached which contains all of the user files and documents. The 2nd server is an RDS server.

I was thinking of adding a 3rd virtual server as a second DC.

My question is how do I increase the resilience of users access to their files. Can I someone duplicate the files across 2 servers or is this where a separate storage array comes in?
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roy_battyDirectorAsked:
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Kash2nd Line EngineerCommented:
what you need to do is make sure the second server you add in only has a DC role on it and no file sharing.
There is no point having a secondary DC on the same hardware, it will be useless as when you have a hardware failure then all the VMs will be down.

I would get a new set of hardware and configure secondary DC on it if you need resilience.

Or, you could try using the Host server as a secondary DC but again, it is a good idea to have host in a workgroup and not part of the domain.

Hope this helps.
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