Sunday, August 12, 2012

True Facts about Mainframe

Hello Dear Friends, 
     I am herewith some of the true & important facts @ Mainframe, Its Very Interesting & much more demanding. So some of the facts are as  
Mainframe facts.....!!!!!

1. All 25 of the world’s top banks still use mainframes, while 71 per cent of global Fortune 500 companies are mainframe clients as well. Additionally, nine out of the top 10 global health insurance providers process all of their high-volume transactions on a mainframe. This shows that, despite incursions being made by software as a service (SaaS) providers, an overwhelming majority of the world’s big business still value the reliability and security of mainframes, particularly for mission-critical functions.

2. Around 63 per cent of mainframe sites in the Asia-Pacific region believe the lack of skills in the current generation of mainframers is a major concern. In Europe, 66 per cent of mainframe sites believe mainframes are already suffering from a serious skills shortage.

3. About 72% of mainframe sites have mainframe staff eligible for retirement. (CA 2011)

4. The mainframes hold approximately " 70 % " of the entire data stored in this planet
5. The latest ones can support over 25,000 users
6. They can support devices spread over 26 miles using fibre optics
7. The size of the "basic" OS is about 14 GB
8. This OS comes in about 57 magnetic tapes, But latest with 4 tapes
9. It takes ATLEAST a month to install and customize a basic mainframe OS configuration
10. It takes around 3 full days for a mainframe to get up and running
11. Basic configuration for development environment costs 8 crores (hardware + Software)
12. A full team of qualified system operators are always required to be on stand by to ensure successful operation
13. Earlier mainframes were provided with cooling pipes through which cold water was passed to cool the system - TCS have one in Chennai facility
14. Recent mainframes have variable speed fans in the cabinet to keep it cool
15. Have u ever heard of a mainframe system being hacked??? Mainframes are one of the most secure data installations ever
16. You cannot buy the mainframe OS, but u'll have to pay a license to use it. The cost?? cool ......1.5 crores a year.
17. Finally, mainframes today r the most preferred data servers for even the most hi-fi of the organizations!
18. So far no virus has attacked Mainframes
    So this is how mainframe is...!!!!


Anonymous said...

nice work bro

Ravi said...

hm......intresting......i never thought like this

Suresh said...

Hi Prakash its really interesting to know much more abt mainframes. I would like to ask u about carrier in mainframes. Reason behind this is iam B.Tech fresher(2012),iam planing to go fr course in this mainframes, so how far you support me in this regards.????