capacity management plans in virtual infrastructure

Can I ask for any of those that follow an ITIL process around capacity management, what exactly do you have capacity management plans for, i.e. is it a case of one plan per virtual server, one plan per database, etc, or what other types of device or application do you have a capacity management plan for?
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pma111Asked:
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
We have capacity Plans for Services which are offered in the Service Catalog.

e.g. Mail Service, File Storage, Archive Storage, Autheitication Service, Intranet Service, Internet Service etc
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pma111Author Commented:
Thanks - is there anyway you could share a sample capacity management plan, or at least the basic template. I cant find much online, but presume it covers:

--Introduction and service name
--Total available capacity for all key metrics (i.e. disc space, CPU, memory)
--Current capacity demand
--Anticipated capacity demand
--Data analysis (i.e. trends and observations)

Is there much more to a plan? How often do you review and revise them? Out of interest how many pools have you grouped together to define IT Services. i.e. you mention a plan per service and have listed 6 services above, do you define each of your business systems (i.e. payroll, purchasing, finance, procurement) as 1 service or is each app classed as a different service? I would have thought it would be 1 service per application, and then that service grouped into the various components i.e. app server, database server, load balancing apps etc.
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
I'm sorry our plans are company confidential.

It does cover the headings you have provided.

How often do you review and revise them?

They are reviewed quarterly, and often Service Incidents dictate also if a plan needs to be changed or reviewed.

We define and group services, which Customers use. It depends on the application, and system, some times, the same System does Payroll, Finance and Procurement, e.g. BaaN or SAP.

other times, they could be split acorss different applications.
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pma111Author Commented:
Thanks, always interesting to see how others approach this area. Do you have a consolidated capacity management information system, or do you have endless systems storing and reporting on capacity informaiton, or do they all feed data into a single system. I am aware a lot of service management apps have configuration management, change management, service request, incident management, and capacity management facilities in a single application. Is this the case in your envrironment, or have you built a capacity management information system yourself? If you use an integrated service management application, are you able to share the name of the tool(s) you use?
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
We use the following tools:-

vCenter Operations Manager
http://www.vmware.com/uk/products/vrealize-operations

and we use a product called Sysload

http://www.orsyp.co.uk/products/it-ops-performance-capacity/sysload-overview/
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