VMware infrastructure management - time necessary to do the job? Tips and advice needed please.

guys / girls - some notice on the amount of work required to maintain and develop a VMware Infrastructure setup as follows:

9 blades (BL 465 & 685) HP connected to an EVA 8000 (double fabric connected)

Set up 2 separate HA /DRS Clusters running ESX 3.5 Update 3

130 virtual machines, mainly under windows 2003 (backup VCB full every night)

How many hours per week would you say, in your experience, should maintain, troubleshoot and develop (stay up to date with patches, etc.), critical infrastructure of this size in an enterprise environment with 2,500 users (IE if something goes wrong then there will be serious questions asked). The job would mean ensuring full availability etc. and a capacity of DR.

Be as conservative as you like, duties include looking after the equipment, and (with HP support relevant contracts), could understand you short if possible reasoning. The turnover of virtual machines is about 2 per week.

Hello

last part of the puzzle is man how many hours per week would you must employ a person to perform the infrastructure once implemented. (ie. verification of backups, torubleshooting of performance issues, the provisioning maybe some new virtual machines per week, now patch levels and take care of the equipment, etc..)

For this size environment, I would have a virtualization full-time administrator who works closely with your storage, network, server and application teams to solve problems. Almost everything from the beginning will be considered a problem of virtualization. You need a good plan on how to handle this. You will need a team made up of members of other teams to manage all possible problems.

Again be as conservative as you want. I'll assign the points after this bit.

I probably aim for at least 2 people for full redundancy. The work does not stop when you're on vacation.

3-9 guests can be easily managed by a single person, but we're going to do a bit of math...

150 VMS to start...

Let's say you need to VMotion all 150 VMs... Say 30 seconds per VM, if 150 * 30 = 1.25 hours = average 2.5 hours of interruption, etc..

Let's say you need to SVMotion all 150 VMs... 1 GB/s with an average 24 GB per VM so 3 working day in SVMotion tell everything... Closer to 1 week. Its a drive problem.

Now add both to:

Debugging problems of enforcement...

Debugging problems of storage...

Debugging network problems...

Guest operating system problems debugging...

Debugging problems ESX...

Debugging performance issues...

And the time to add:

Reports required by management...

Duration of training...

New implementation time VM...

Nerw material planning...

DR testing and planning...

etc etc.

It is at least 1 person complete if not 2.

Best regards

Edward L. Haletky VMware communities user moderator, VMware vExpert 2009, url = http://www.virtualizationpractice.comvirtualization practical analyst [url]
"Now available: url = http://www.astroarch.com/wiki/index.php/VMware_Virtual_Infrastructure_Security' VMware vSphere (TM) and Virtual Infrastructure Security: securing the virtual environment ' [url]
Also available url = http://www.astroarch.com/wiki/index.php/VMWare_ESX_Server_in_the_Enterprise"VMWare ESX Server in the enterprise" [url]
[url =http://www.astroarch.com/wiki/index.php/Blog_Roll] SearchVMware Pro [url] | URL = http://www.astroarch.com/blog Blue Gears [url] | URL = http://www.astroarch.com/wiki/index.php/Top_Virtualization_Security_Links Top security virtualization [url] links | URL = http://www.astroarch.com/wiki/index.php/Virtualization_Security_Round_Table_Podcast Virtualization Security Table round Podcast [url]

Tags: VMware

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