HyperV The Hypervisor Solution
Overall Satisfaction with Hyper-V
HyperV became the Virtualization choice to replace or migrate as many systems to a Virtual Environment. This decision spanned the entire company. The largest business problem it solved was the physical space and requirements needed to continue to use physical servers. It also addressed the increasing complexity of server management. High Density computing offers many advantage and can deliver a substantial cost savings when compared.
Pros
- Virtual Machine Management and Resource Management is very good. You can adjust many resources while the VM is running and take Advantage of reducing impact to production. For example you can grow a virtual hard drive "hot", even when its larger than 2TB.
- Cluster Management is very easy to set up and allows you to "live migrate resources" while in use not affecting production, minimizing downtime. This allows for many events such as maintenance tasks (software updates or firmware) or performance troubleshooting issues that need addressed.
- Also enables you to perform rolling upgrades on your cluster nodes to upgrade you operating systems (ex 2012R2 to 2016).
- Backup Strategies have the opportunity to leverage the Hypervisor vs agent based backups. This allows for you to avoid overtaxing individual VMs during backup operations. And removing agent based backups from your environment is going to lessen the software footprint that has the possibility to create contention on resources.
Cons
- HyperV could use better native tools for user to look into VM performance and health. Tools do exist but need improved to be competitive.
- Errors and Warning could be more visible in the Management View. Things like High CPU, Network peaks and Memory should be able to pop to the front when there is an issue.
- There was an extreme positivity to migrating our environment to HyperV. The Hardware cost savings are exponential and Microsoft Licensing can also be a cost savings depending on how you license your hosts (Enterprise vs Data Center Licenses).
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