Re: oracle on VM or non-VM ?!!

should read ...There is a certain amount of tuning that needs to be done to optimize performance on virtual machines

On Sun, Nov 26, 2017 at 1:35 PM, Andrew Kerber <andrew.kerber_at_gmail.com> wrote:

> My company, House of Brick technologies specializes in virtualizing
> oracle. I am not a licensing expert, I specialize in Oracle, and moving
> from physical to virtual.
> I can say that rac works just fine on VMware, but with VMware HA, the need
> for RAC is much reduced.
>
> Most companies determine that VMware HA is sufficient for their needs,
> though we have moved several from rac on physical to rac on virtual.
>
> The performance difference between oracle on physical and Oracle on
> Virtual Machines is basically nonexistent. There is a certain amount of
> tuning that needs to be done to optimize performance on physical machines,
> but once tuned the difference in performance is non-existent.
>
> We have been around for about 20 years, so we have a lot of experience in
> this area.
>
> http://houseofbrick.com/expert-services/professional-services-consulting/
>
>
> On Sun, Nov 26, 2017 at 1:32 AM, JP . <jprem_at_outlook.com> wrote:
>
>> Friends,
>>
>> we want to move all our existing prod oracle databases (around 20
>> instance, max db size ~500G) from our old h/w (non-VM) to new ones.
>> HA,easy manageability, performance,cost being the key factors considered
>> for the new machines , would like to know if VM(type-1) would suit our
>> needs.
>>
>> I was looking for "VM or non-VM" kind of articles (from a license, HA ,
>> performance perspective). But could not come to a conclusion. It's a bit
>> confusing. Want to clarify with experts here.
>>
>> 1) Does Oracle on VM (type 1) have notable perf issues ?
>> 2) Does license cost (or TCO) increase with VM/Oracle combination ?
>> 3) Is RAC on VM widely used ?
>> 4) RAC on non-VM or single instance on VM - which is good from a HA
>> perspective ?
>> 5) If VM is advisable, VMware or Oracle VM - which works best overall ?
>>
>> Your advice and inputs would be very much helpful. Thanks in advance.
>>
>> ~ JP ~
>>
>>
>
>
> --
> Andrew W. Kerber
>
> 'If at first you dont succeed, dont take up skydiving.'
>

-- 
Andrew W. Kerber

'If at first you dont succeed, dont take up skydiving.'

--
http://www.freelists.org/webpage/oracle-l