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vSphere Review
It is very easy to get things working and it is more difficult to get things working smoothly


Valuable Features:

Stability of the Hypervisor, DRS, and HA are some of the more valuable features.

Improvements to My Organization:

VMWare (and any virtualization platform) completely changes the way an organization functions. The way you investment in hardware is done from a completely different perspective, in that an initial capital investment is required, and the resources would then be available for the organizations' use.

This, of course, allowed the organization to have a ton of flexibility in resource availability.  We were then able to create and build high availability across deployed hardware that would've otherwise been much more complex to accomplish using more traditional methods.

Room for Improvement:

Nothing I can think of. For a while, allowing for HA without shared storage was a missing feature, but as of 5.1, VMware introduced that feature.

Use of Solution:

I have used vSphere v4.0/5.0/5.1 alongside vCenter v5.1, and VMware Vieew v4.0 and v5.2.

Deployment Issues:

There is a lot of know how required to deploy VMWare correctly, especially if it is being architectured to be highly available. A simple deployment is not too hard, but the issues that I had faced initially were mostly related to adequate shared storage connectivity, etc.

Stability Issues:

As mentioned above, the stability issues have been caused mostly by the inadequacy of the storage (90% of problems have been related storage).

Scalability Issues:

Not at all. Scalability is one of VMware strengths. Running out of resources has really never been an issue, as it is easy to add new hardware, and/or storage, and expand existing infrastructure.

Customer Service:

Customer service has always been available, in a more or less adequate time. VMware is good at responding at critical issues that have a high business impact, though sometimes I had experience less than stellar experience in slightly less urgent issues. This is mostly referring to the timeliness of service. Getting the help needed after getting in touch with support has never been an issue.

Technical Support:

The support is usually pretty good. VMware support is good at making an effort to resolve the problem on first contact, and escalate as necessary. I have always received a solution to my problem.

Previous Solutions:

For an enterprise virtualization platform, I have only used VMware. I have also used Amazon Web Services as an IaaS, but that doesn't exactly sit in the same category as an on premises virtualization platform.

Initial Setup:

As mentioned above, a simple setup is not hard. However, there are lot of intricacies to the product to set it up correctly with shared storage, so that fail over can function correctly, and DRS, HA, and vMotion to function efficiently.

Implementation Team:

I initially did the implementation on my own, with some help from VMware on best practices. I did get some help in getting my enterprise storage installed, and got some guidance from them to fine tune configuration of VMware vSwitches, to achieve optimal performance.

ROI:

The ROI on virtualization platform isn't always necessarily completely obvious at first glance, as the initial cost to implement it is typically fairly high. However, keeping in mind the soft costs, it would easily prove to be more economical than traditional solutions. Not only that, but it also will require less engineers to manage the system, as all the management tools are built-in within vCenter, to create a unified solution that would ultimately reduce management cost.

Cost and Licensing Advice:

The original cost of the first set of servers to migrate a whole school district to, was close to $100,000. More recently, an upgrade to an SSD SAN cost an additional $120,000. Keeping in mind software costs of maintaining the product, and all virtualized servers, the day to day cost of the product is essentially the cost of running the hosts, (power, cooling, etc).

Other Solutions Considered:

No. I had started with VMware very early on, and adopted it when it became a viable enterprise product.

Other Advice:

For anyone looking to implement VMware, don't take the initial implementation lightly, and don't cheapen up on the hardware, especially the storage. You will save a ton of headaches by investing in good storage that would be adequate for at least three years.

Also, do your homework on best practices, and how to implement things. It is very easy to get things working and it is more difficult to get things working smoothly. Never had I thought that I had to get familiar with the deep workings of disks, and IOPs, read and write/s ... but these are really necessary if a good implementation is the goal.

Disclosure: I am a real user, and this review is based on my own experience and opinions.
3 visitors found this review helpful
Vexpert 2015 badgeChris2Anonymous avatar x30

5 Comments

Vexpert 2015 badge

Well said!

Like (0)05 March 15
Vexpert 2015 badge

Cheers!

Like (0)05 March 15
Chieftec194427 li?1423860366
George KhairallahReal UserTOP 5POPULAR

Thanks Tushar! Cheers!

Like (0)05 March 15
Chris2
Chris ChilderhoseReal UserTOP REVIEWERELITE SQUAD

This is a great article and as stated know your stuff when implementing to save time in the long run and configuration nightmares.

Like (0)18 January 16
2c644eec 84c6 4a35 9d00 1b3f7ef1a8e0 avatar?1451939396
hassan rmichReal User

No comment.

Like (0)19 January 16
Anonymous avatar x30
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