NT should never need to rebooted to prevent crashes.

Our server for the Defense Information Network is required to be 24X7, and
IS 24X7.

If the server needs to be regularily rebooted, there is likely a memory leak
in one of the applications that is running on it. In other words, one of the
programs has a bug.

What can happen in this situation is that the app doesn't release memory
when it is finished with it, and eventually there is not enough in the
working set and swap space to maintain the NT kernel, and it crashes.

There are at least 3 things to do to investigate this:

1. Look at the system event log and see what events are there relating to
failures and warnings;

2. Use Performance monitor to track the memory utilization

3. Use Performance monitor to track the number of processes (if this
steadily increases there is an application problem) (this can be a cause of
the memory leak, as well as a symptom of one)

Marshall Ruskin, MCSE
84 Westy
-----Original Message-----
From: Steve <Steve@Schwenk-Law.com>
To: SpareVanagonList <vanagon@onelist.com>
Date: Tuesday, February 23, 1999 10:02 AM
Subject: [vanagon] Re: Server down once again?

>From: Steve <Steve@Schwenk-Law.com>
>
>I was about to fire up the spare list myself, Michael!  I
>think we should appoint a committee of experts to propose a
>solution...or the administrators should.  People are ready
>to
>contribute.  Still, if we stick with NT, won't the list
>likely continue to crash on a regular basis if the
>administrator does not re-boot it every few days?  Isn't
>that part of the
>problem?  I use NT and have to do that...with windows, its
>worse...have to re-boot at least once a day!  I hear that
>one of the alternative paltforms can go for months without
>re-booting.  Oh well...better leave that decesion to the
>committee!
>steve
>
>Michael Sullivan wrote:
>
>> From: Michael Sullivan
>> Dear List,
>>
>> It looks like our server is once again "down".
>> So much for NT and its memory leaks.
>> Time to reboot the sucker!
>>
>> Cheers,
>>
>> Michael J. Sullivan
>> Quincy, MA
>>
>> '87 GL Syncro Westfalia "Sunny"
>> '89 Audi 200 Turbo Quattro Wagon "Wizard"
>>
>> ********************************************
>> work: http://www.openmarket.com
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