In case of RIM support, what is the rule of thumb available to conclude the staffing for Servers,Storage and Database Management
I understand that there is as such no eaxct rule available however if we say staffing in terms of L1 L2 and L3 activities then what is the safest assumption we can make to provide the support services remotely.
eg. 1FTE (System Admin) mahy be required to support 150-300 Windows servers in RIM if the DC had ITIL practices(in his 8 hours shift)
Answers (1)
Amol T
Senior Manager Global Sourcing Solutions-Remote Infrastructure Management Service
Nitin,
It is very difficult to answer your question.. but with my experience i can provide you some indications..
For server you have to keep in mind following things...
Unix or Wintel
then Production or Non-Production (test, Dev or QA) or Infrastructure servers
If production then what is a availability (99.8 or 99.9) and what is response time and resolution time for Service levels
usually for Production servers with 99.5 availability you can assume 1 FTE can manage 60 servers and for non-prod it is 80 to 100 depends upon above points
Infra servers you can easily take 75/FTE
There are many other factors like Virtulisation etc. but i do not want to complicate your life.
Similar is the case for Database tech following factors you need to watch...
Database instances
database technology (SQL,Oracle, Progress, Sybase etc)
per Database size
Production or Dev or QA datbase
no of database servers
availability , SLA etc.
Storage has similar factors...
I do not want to misled you hence you can also refer to a good report from Gartner which has some benchmark like this available.