Re: server reliability

["Al Barsa, Jr." <barsa2@xxxxxxx>]

At 08:52 PM 12/27/97 -0600, you wrote:
>Does anyone know of any sources of objective information that compare the
>reliability of NT servers and the AS/400?

In the white paper which I wrote for IBM last summer, I stated:

>Have you ever had to restart your AS/400 because an error in the
> operating system or in an application program made the system end
> abnormally?
> How often have you done so? OS/400, the most stable operating system,
> boasts an average of 99.98% uptime (percentage of time that the system
> was not down due to unscheduled outages). Compare this to a PC file
> server with an average of 94.8% uptime. If you do the math, you'll discover
> the AS/400 has unscheduled downtime of 1 hour and 45 minutes per year,
> while the PC file server has unscheduled downtime of 19 days! For all
> practical purposes OS/400 never declares a General Protection Fault. In
> fact, documented cases point to AS/400s that have operated for years with
> no unscheduled outages. 

The full White Paper can be found at:

http://iws.as400.ibm.com/CGI-BIN-I/LANSADRVR?BARSEXEC+CONSLT+0+CONSLT(barsa.
htm)



Al Barsa, Jr. - Account for Midrange-L
Barsa Consulting, LLC.  
400 > 390

Phone:  914-251-9400
Fax:    914-251-9406





Private mail should be sent to barsa@ibm.net
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