Howdy,
Richard asked and I replied privately.  Then I thought about I and decided
to post to the list.  Lucky Richard now gets to read it three times.

jt

----------
From:   Richard French
Sent:   Tuesday, October 07, 1997 6:00 PM
To:     [log in to unmask]
Subject:        Re: DDX revisited

Richard S. French - Systems Analyst
Capital District Physicians' Health Plan
Phone (518) 862-3797
Fax (518) 452-0003

Are these JUMBO Datasets ? We have experienced a similar problem when
decreasing the capacity of a JUMBO dataset. Not sure that DDX is the
culprit.
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> From: James Trudeau <[log in to unmask]>
> To: [log in to unmask]
> Subject: DDX revisited
> Date: Tuesday, October 07, 1997 6:46 AM
>
> Howdy,
>
> Last May 1 I posted regarding a problem in which DDX "ate" a couple
> of thousand records.  A couple of other folks reported some
> problems also however we decided to leave DDX turned on.
>
> That was then.  The other night we ran Adager to decrease the
> size of a dataset from 29,000,000 to 26,500,000 (22,500,000 entries).
> Well....I don't as of now really understand what occured (wasn't)
> Adager's fault) but things got entangled with highwater marks and
> DDX thereby destroying the pointers in the master dataset.  We
> came up yesterday an hour and a half late and then just sorta
> crippled along through the day as the system had to be available
> for labor entry/payroll.  Last night we did a backup and launched an
> Adager fix path job at 7:21 pm CDT.  It is now 8:35 am CDT and
> Adager is still truckin'.  The 300 or so users are becoming surly.
> I am beginning to fear for my safety.
>
> The Adager people (and Stan) have done an outstanding job in
> my opinion.  For what it's worth.......as soon as the system becomes
> available, whenever that will be, I'm going to disable #$$%@ DDX.
> Forever. Period.
>
> James Trudeau                                 Ya gotta pay your dues
> Sr. Engineer                                      If you wanta sing the
blues.
> Computer Sciences Corp.                                   Ognar Rats