RE: updates during ontape
Posted in 1999
If I am not mistaken an Informix Archive takes A snapshot of the data when
the Archive starts so I believe it will have NONE of the rows updated in the
update job
Howard E. Rock
Informix Database Administrator
Insurance Services Office
2 Blue Hill Plaza
Pearl River, NY 10965
Email - <mailto:hrock@iso.com> hrock@iso.com
Telephone # 914-620-4088
Fax # 914-620-4050
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From: Justin Abbott [SMTP:abbotj@my-deja.com]
Sent: Friday, July 02, 1999 12:19 PM
To: informix-list@iiug.org
Subject: updates during ontape
Hi folks
(a theoretical scenario)
John the dba starts an Informix ontape level 0 at 11:00am
At 11:20am a batch update utility starts.
At 12:00pm the ontape level 0 finishes
At 1:20pm the load finishes.
The question is:
Will the ontape backup contain
1. none
2. some or
3. all of the rows updated in the update job.
Also, how does Informix decide where in the log a level 0 archive is
taken, is it at the start or at the end?
regards
Justin Abbott
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