• Subject: Re: System Uptime Measurements
  • From: DAsmussen@xxxxxxx
  • Date: Fri, 7 Nov 1997 23:29:20 -0500 (EST)


In a message dated 97-11-04 07:02:30 EST, you write:

> One of the common business goals for our company this year relates to
>  availability (uptime).  Does anyone have an industry average or standard
>  uptime measurement for a medium to large AS/400 Manufacturing Company?  I
>  am looking for a benchmark to have our group measured against (other than 
>  100%).

My current primary client has 5 AS/400's (530, 320, 2-310's, F50) live, with
two more slated to come online before year end.  "Uptime" is a somewhat loose
term, but all 5 systems come down every Sunday for 4-6 hours for backup and
IPL (we still don't trust "save while active", and the CISC boxes are still
accumulating temporary address space).  If you're talking MTBF (Mean Time
Between Failures), they haven't had a _SINGLE_ hardware-related failure
incident in over two years.  No incident _of any kind_ that brought an entire
system down in the same time period.


Dean Asmussen
Enterprise Systems Consulting, Inc.
Fuquay-Varina, NC  USA
E-Mail:  DAsmussen@aol.com

"So a man said to God, 'What's a million years to you?'  God replied 'It's a
second.'  So the man asked of God, 'What's a million dollars to you?'  God
replied, 'A penny'.  So the man said to God 'Will you give me a penny?'  God
said 'Yes I will -- in a second.' " -- Unknown
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