Ken,

You are too humble. The problem is if you have a version of Diogenes on you
system, I would hesitate to use it. It simply doesn't handle jumbo data
sets. However, Adager's NMCHECK does!!! (oops! forgot the /PLUG alert).

Hope this helps Tony!


Dave Gale
-----Original Message-----
From: Ken Paul <[log in to unmask]>
To: [log in to unmask] <[log in to unmask]>
Date: Tuesday, October 27, 1998 11:53 AM
Subject: Re: Diogenes - seeking to cast some light on the situation (!)


>On Tue, 13 Oct 1998 09:51:33 -0500 Tony Furnivall <[log in to unmask]>
wrote:
>
>>I'm wondering if Diogenes has any current value, or if the XM makes it
>>un-necessary? Could I ask your collective opinions, please?
>>
>>Tony
>>PS Diogenes wanders through databases seeking out broken chains and the
like.
>
>Since I didn't see any public answers to this one (and since database
>therapy is my life :-)) I thought that I would post my feelings on the
>subject.
>
>As Tony mentioned, Diogenes is a tool provided by HP which can scan IMAGE
>databases looking for any broken chains.  It is usually found in the
>Telesup account.  Unfortunately, when the Spectrum machines came out HP
>stopped providing it on all MPE systems which was a big mistake in my
>opinion because some diagnostic tool is better than none.
>
>Tony wondered if the Transaction Manager (XM) makes this diagnostic tool
>unnecessary and I have to respond: NO!
>
>The XM is a wonderful tool which MPE uses and we all benefit from its
>existance but it does not mean that you will not have broken chains in your
>databases.  The largest percentage of database corruption that we see can
>be attributed to human error with partial stores and restores of IMAGE
>databases.  No XM is going to prevent this from happening.
>
>With the advent of the Spectrum machines and the XM we were told by HP that
>broken chains within IMAGE databases were a thing of the past but this is
>not the reality that we (Adager) are seeing.  Broken chains are still
>ocurring because of hardware problems and other oddities.
>
>Having some kind of diagnostic tool is very important in my opinion and
>having as many as possible is even better because different tools have
>different pros and cons.  I have some of my papers which talk about this
>topic on our website at www.adager.com.
>
>Hope this helps,
>
>
>+---------------+
>|               |
>|            r  |  Ken                             [log in to unmask]
>|          e    |                           http://www.adager.com
>|        g      |  Ken Paul                      Tel 208 726-9100
>|      a        |  Customer Support              Fax 208 726-2822
>|    d          |  Adager Corporation
>|  A            |  Sun Valley, Idaho 83353-3000            U.S.A.
>|               |
>+---------------+