ADSM-L

Re: DBB triggered after logfull % reached

1996-12-31 04:04:33
Subject: Re: DBB triggered after logfull % reached
From: CC Masters <cmaster1 AT TUELECTRIC DOT COM>
Date: Tue, 31 Dec 1996 09:04:33 +0000
Thanks, Robert.  Any idea on the APAR no.?


Klein, Robert wrote:
>
> I believe there is an APAR opened on this problem.  We also have
> experienced recovery log usage not going down after a db backup.  I have
> modified our trigger to do a db backup when the recovery log gets to 33%
> utilization AND I am doing a full DB backup nightly.
>
> -----Original Message-----
> From:   CC Masters [SMTP:cmaster1 AT tuelectric DOT com]
> Sent:   Monday, December 30, 1996 10:11 AM
> To:     Multiple recipients of list ADSM-L
> Subject:        DBB triggered after logfull % reached
>
> I am running MVS server 2.1.10 and have my database backup to trigger
> when the log reaches 65% full.
>
> I don't know what has caused my 2.3 gig log file to fill up between 9am
> (when incremental database backup is scheduled) and 1pm, but it did.
> My problem now is that a incremental DBB was triggered and completed
> successfully, then a 2nd DBB was triggered, then a 3rd, 4th,... until it
> reached 18 and then a full backup started. (Incrementals Between Fulls
> is set to 18).
>
> I first caught this happening after the full database backup started.  I
> immediately checked the database, it was at 66.3% utilization.
>
> The full backup is now 20% complete (the database is 11.7 gig) and the
> log utilization shows 1.3% utilized.
>
> Why didn't the utilization go down after the first incremental backup?
> Is this why it triggered 18 dbb in a matter of 20 minutes?
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