Binyamin Dissen wrote:
On Tue, 15 Sep 2009 08:43:31 -0600 Howard Brazee <[email protected]>
wrote:

:>On 15 Sep 2009 06:59:56 -0700, [email protected] (Roach, Dennis  ,
:>N-GHG) wrote:

:>>> Reconstruct what?    I thought 97 meant the open statement was
:>>> successful and file integrity was verified.   So the file is OK, the
:>>> open is OK.
:>>> What am I missing?

:>>That depends on how important data integrity is to you.
:>>97 indicates that the last user of the file did not close it properly.
:>>The mechanics of the file (index/CI/CA) structure is valid.
:>>It does not insure that all of the buffers were written to the file when it 
was not closed.
:>>I.E. - you may be missing data.

:>So you're saying I cannot trust that "file integrity is verified". It
:>may be lying.   Have you come across this happening?

Lying?

For example, file is opened for output, application puts a record and abends
before the data is firmed. Index and data is in synch, but the new data is not
there.

Wait a minute. "Before the data is firmed"? What do you mean? How
does this happen?

--

Kind regards,

-Steve Comstock
The Trainer's Friend, Inc.

303-393-8716
http://www.trainersfriend.com

  z/OS Application development made easier
    * Our classes include
       + How things work
       + Programming examples with realistic applications
       + Starter / skeleton code
       + Complete working programs
       + Useful utilities and subroutines
       + Tips and techniques

==> Ask about being added to our opt-in list:              <==
==>   * Early announcement of new courses                  <==
==>   * Early announcement of new techincal papers         <==
==>   * Early announcement of new promotions               <==

----------------------------------------------------------------------
For IBM-MAIN subscribe / signoff / archive access instructions,
send email to [email protected] with the message: GET IBM-MAIN INFO
Search the archives at http://bama.ua.edu/archives/ibm-main.html

Reply via email to