Re: Backups taking longer after reorg

[Richard Reeve <rjrjr64@xxxxxxxxx>]

All,

     I did a simple dspfd to an outfile and looked at the percentage of
deleted records to total.  I did the reorg on those that had more than 10%
deleted.  All of the rebuilding of indexes is done but my backup time is
still 30 minutes longer than it had been.  I am NOT using the save while
active stragegy.

     I am doing an IPL tomorrow.  Don't know what else to do.  Any help is
much appreciated.

Rich

On Sat, Jan 2, 2016 at 1:17 PM, Steinmetz, Paul <PSteinmetz@xxxxxxxxxx>
wrote:

> Richard,
>
> Are you doing reorg or reorg while active?
> We run a similar process using reorg while active.
> Reorg will be quicker, but requires exclusive use of the files, and I
> believe will cause the index rebuilds.
> Reorg while active will be longer, users can remain on, index rebuilds are
> less, done concurrently.
>
> Paul
>
> -----Original Message-----
> From: MIDRANGE-L [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of
> Richard Reeve
> Sent: Friday, January 01, 2016 10:58 AM
> To: Midrange Systems Technical Discussion
> Subject: Backups taking longer after reorg
>
> All,
>
>      First, let me wish everyone a happy new year.  I hope that each of
> you is blessed this year with good health and prosperity.  Now to my issue
> - I wrote a program that scans through libraries and reorgs files that have
> many deleted records.  Sounds reasonable enough.....However, since running
> this program, my backups are running much longer.  Why would this be?  Is
> there something that I can do to get the time needed to save these
> libraries back to a reasonable timeframe?
>
>      I have considered saving the libs to a save file and making the
> system available while backing the save files up to tape (which I'm
> assuming would be faster given the I/o rate of disk vs. tape).  But I'm
> perplexed as to why the reorg would add time to my backup.
>
>      Any thoughts/suggestions are much appreciated.
>
> Sincerely,
>
> Richard Reeve
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