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Anonymous_User Absent Member.
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2,000 VMs in Dev/Test but only 100 VMs in Production

Wow!

Never realized that a 20:1 ratio for dev:prod would/could ever exist.

http://www.networkworld.com/news/2010/102510-burning-question-vm-sprawl.html

"a VMware customer in the online travel business located in Southlake,
Texas, has about 2,000 VMs in its test and development lab and another 100
VMs in production. "

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Anonymous_User Absent Member.
Absent Member.

Re: 2,000 VMs in Dev/Test but only 100 VMs in Production

Sounds like my group, every since VM, we are putting more and more little
servers on the network wee in the past, we wouldn't have. We keep spending
more money to expand out VM clusters and storage and personally I question
it but I come from old school were I like to be able to point to a server
and say "that the server that does...."

Why are going back to the 80's mainframe concept of having one big computer
that does everything?


"Mike M" <nospam@nospam.net> wrote in message
news:1lzAo.590$325.185@kovat.provo.novell.com...
> Wow!
>
> Never realized that a 20:1 ratio for dev:prod would/could ever exist.
>
> http://www.networkworld.com/news/2010/102510-burning-question-vm-sprawl.html
>
> "a VMware customer in the online travel business located in Southlake,
> Texas, has about 2,000 VMs in its test and development lab and another 100
> VMs in production. "



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Anonymous_User Absent Member.
Absent Member.

Re: 2,000 VMs in Dev/Test but only 100 VMs in Production

Michael Rae wrote:

> Sounds like my group, every since VM, we are putting more and more little
> servers on the network wee in the past, we wouldn't have. We keep spending
> more money to expand out VM clusters and storage and personally I question
> it but I come from old school were I like to be able to point to a server
> and say "that the server that does...."
>
> Why are going back to the 80's mainframe concept of having one big
> computer that does everything?
>


Don't look at it that way.

The real deal is that most CPUs are oversized for what we use. So VMs take
advantage of today's processors (which are usually MORE than one person
could possibly use). With that said, memory is an issue, disk is an issues,
etc... (your points... well taken).

The most expensive item in a datacenter?
.....
.....

REAL ESTATE!

So... things like VMs help reduce the real estate footprint (which in many
cases has infinite costs). We take it to the next level, we use hypervisors
on blades... the ultimate in density. Allowed me to remove an entire ROW of
racks.

We're using LDOMs and containers/zones on Snoracle machines, LPARs on our
Power boxes (no VMs yet), partitions and VMs on our HP-UX boxes... and of
course x86 is covered by our ESX/ESXi, Xen and RHEV hosts. So while we've
reduced out foot print dramtically, the number of clients I can serve has
GREATLY increased.

Oh... and we do have zSeries as well.. and yes, we run multiple zLinux under
zVM on them.


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Anonymous_User Absent Member.
Absent Member.

Re: 2,000 VMs in Dev/Test but only 100 VMs in Production

> Wow!
>
> Never realized that a 20:1 ratio for dev:prod would/could ever exist.
>
> http://www.networkworld.com/news/2010/102510-burning-question-vm-

sprawl.html
>
> "a VMware customer in the online travel business located in Southlake,
> Texas, has about 2,000 VMs in its test and development lab and another 100
> VMs in production. "


Because developers never delete anything.

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Anonymous_User Absent Member.
Absent Member.

Re: 2,000 VMs in Dev/Test but only 100 VMs in Production

On 08/11/2010 16:03, GofBorg wrote:
>> Wow!
>>
>> Never realized that a 20:1 ratio for dev:prod would/could ever exist.
>>
>> http://www.networkworld.com/news/2010/102510-burning-question-vm-

> sprawl.html
>>
>> "a VMware customer in the online travel business located in Southlake,
>> Texas, has about 2,000 VMs in its test and development lab and another 100
>> VMs in production. "

>
> Because developers never delete anything.


Its not impossible when dev is done *properly*, given they are VMs. Each
developer probably has his own "dev" copy of at least 20-30 of the
production machines, then there will be an overall "acceptance" set of
all 100 machines (to stage code before release) - you might expect maybe
10-15 of the dev machines to be live at any time, and no more than two
or three of the staging/acceptance machines. all the rest will be
sitting shut down or suspended, taking up hard drive space but not cpu
or ram.
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Anonymous_User Absent Member.
Absent Member.

Re: 2,000 VMs in Dev/Test but only 100 VMs in Production

> the rest will be
> sitting shut down or suspended, taking up hard drive space but not cpu
> or ram.


Your backup/storage vendor loves you. 🙂
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Anonymous_User Absent Member.
Absent Member.

Re: 2,000 VMs in Dev/Test but only 100 VMs in Production

On 15/11/2010 19:49, GofBorg wrote:
>> the rest will be
>> sitting shut down or suspended, taking up hard drive space but not cpu
>> or ram.

>
> Your backup/storage vendor loves you. 🙂


Yup. sometime I really must get around to pointing out the I in raid is
supposed to be *inexpensive*

I note that the lit some put out now substitutes "independent".
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