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PROS AND CONS OR WINDOWS VIRTUAL MACHINE ON MAC LICENSE KEY
PROS AND CONS OR WINDOWS VIRTUAL MACHINE ON MAC PATCH

Can move a virtual machine running on one SAN to another without shutting down the guest machine (Storage VMotion).

Can move a virtual machine running on one server to another without shutting down the guest virtual machine (VMotion).

Monitors if a virtual machine has stopped running and restarts automatically (App High Availability).

The company has done a great job of packing high-availability features into its product: Many of the pros are related to the VMware ESXi/Sphere platform. Conversely, with a physical machine you’re stuck with re-imaging or building a replacement from scratch.

Using a thin client manager, replacement of a bad terminal is as easy as a few clicks and powering on the new unit.

As new hardware becomes available, your virtual machines can still run on this new hardware (as long as it is supported by the virtual host software). This doesn’t fix the problem of obsolete operating systems that are no longer supported-which is a security risk. Virtualizing these machines eliminates the operating system compatibility problems. As hardware evolves and operating systems become obsolete, it’s harder to find hardware and software that are compatible. In a virtual environment, the hard drive ID stays the same no matter which piece of hardware it is running on.

PROS AND CONS OR WINDOWS VIRTUAL MACHINE ON MAC LICENSE KEY

Many software packages (such as Rockwell products) tie a license key to a hard drive ID.

PROS AND CONS OR WINDOWS VIRTUAL MACHINE ON MAC PATCH

With the virtual environment, if something goes wrong while applying a patch or update, you can simply roll back the virtual machine back where it was before you applied the patch using a snapshot. The time and heartache of making system images before applying a patch and having a system restore fail are all realities. No need to go buy new servers (assuming you didn’t cheap out and buy bottom-of-the-line servers). With the infrastructure in place, it’s simply a matter of deploying a new machine and configuring. Re-deploy virtual machines on your system (once you get the host machine back online) and you can have your system back up and running in no time. But, with them virtualized and running on a cluster, you maximize your machines’ potential while saving money on energy costs. If you look at your current configuration, most of your machines are idling along. All of your virtual machines can be managed from one location.

Central location to manage all assets.

You’ll find a time and overall cost savings on the replacement of hardware and maintenance. Easily, you’re looking at six servers that will need to be physically maintained. In a typical distributed control system (DCS), you might have two Tag/OS servers, two batch servers, a historian or two, and an engineering station or two.