Help Designing Virtual environment solution for redundancy between two sites

Dear Experts,

I am given the task to design and implement a redundant solution for our company that currently has a point to point connection between our two main offices.

We want to back up the servers from one office to the other so in case an office is demolished some how and everything is lost the other office has perhaps until yesterdays information, emails, and all important data.

I am thinking of a virtual environment with either Hyper V or VMware.

I need conceptual reference to keep in mind while designing and implementing such solution.

Should I create a cluster of servers (hardware) in where to build the virtual server farm on top?

Am I talking of replication once both sites are build?

We are a DELL shop, what to use for the hardware to be tight together?  Clustering?

What does the Virtualization software needs in terms of licensing and features?

Recommendations and advice much appreciated. Thank you in advanced.
marceloNYCMiddle-Tier AdministratorAsked:
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Andrew Hancock (VMware vExpert / EE MVE^2)Connect With a Mentor VMware and Virtualization ConsultantCommented:
I am given the task to design and implement a redundant solution for our company that currently has a point to point connection between our two main offices.

We want to back up the servers from one office to the other so in case an office is demolished some how and everything is lost the other office has perhaps until yesterdays information, emails, and all important data.

I am thinking of a virtual environment with either Hyper V or VMware.

This is easily achieveable using either Microsoft Hyper V or VMware vSphere, both support Replication of Virtual Machines from Host Server to Host Server.

Should I create a cluster of servers (hardware) in where to build the virtual server farm on top?

This very much depends on how many virtual machines you will be hosting and how many Host Servers you require, and do you want.

A single server is a single point of failure, two or more servers resolves this issue , using shared storage to connect to ALL Host Servers.

We are a DELL shop, what to use for the hardware to be tight together?  Clustering?

We use Dell R620 or R720s, and Dell Equallogic SANs

What does the Virtualization software needs in terms of licensing and features?

either Microsoft Windows Server 2012 Datacenter Server or VMware vSphere (many different licenses available to suit your requirements)
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marceloNYCMiddle-Tier AdministratorAuthor Commented:
Awesome! Just one more question on this part:

"A single server is a single point of failure, two or more servers resolves this issue , using shared storage to connect to ALL Host Servers."

That is when you daisy chain the servers with a network cable or some kind of cable that makes them as a cluster? Right?
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
You have two servers connected to the same storage, when a Host Server fails in your farm, it restarts the Virtual Machines, on other available servers in the cluster.

It's called HA.

VMware vSphere Availability Features

VMware vMotion - Migrate Virtual Machines with Zero Downtime

http://www.vmware.com/products/vmotion/overview.html

VMware vMotion Product Brief

http://www.vmware.com/files/pdf/VMware-VMotion-DS-EN.pdf

VMware High Availability - Decrease Downtime and Reduce Risk

http://www.vmware.com/products/high-availability/overview.html

VMware High Availability (HA) Product Briefs

http://www.vmware.com/pdf/ha_datasheet.pdf
http://www.vmware.com/files/pdf/VMware-High-Availability-DS-EN.pdf

VMware Distributed Resource Scheduler (DRS) - Dynamic Resource Balancing

http://www.vmware.com/products/drs/overview.html

VMware Distributed Resource Scheduler (DRS) Product Briefs

http://www.vmware.com/files/pdf/VMware-Distributed-Resource-Scheduler-DRS-DS-EN.pdf
http://www.vmware.com/pdf/vmware_drs_wp.pdf

VMware Fault Tolerance - Deliver 24 X 7 Availability

http://www.vmware.com/products/fault-tolerance/overview.html

VMware Fault Tolerance Product Brief

http://www.vmware.com/files/pdf/VMware-Fault-Tolerance-FT-DS-EN.pdf

VMware vSphere Availability Guide ESX 4.1vSphere
http://www.vmware.com/pdf/vsphere4/r41/vsp_41_availability.pdf
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marceloNYCMiddle-Tier AdministratorAuthor Commented:
Whoohooo!! You helped me so much. I can take from here now. Thanks so much!!!
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