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Hi Vern, thanks for the plug.  
Unfortunately, we haven't had time to investigate any of your ideas to speed
up the IFS walk.  You know how it is, too many things to do and too few
people to do them.  It still works, but it's sort of slow for large IFS
installations.
It's still the best thing for detecting DASD spikes in native file system
though!  You did a great job there.

Elvis

-----Original Message-----
Subject: Re: IFS usage of DASD

You might want to look at a product from Centerfield Technology 
(www.centerfieldtechnology.com) called disk/HUNTER - it runs in real-time 
and watches for reduction is DASD free space. When this free space shrinks 
more than a configured amount, you get reports showing you what has 
changed. When I worked there (I wrote much of this utility) there was a 
speed issue with walking the IFS, but other aspects of the product would 
give clues to what was happening. Maybe they've fixed the IFS issue by now. 
Elvis?

It tells you long before the system values for disk space are exceeded. It 
takes almost no CPU even when it wakes up every 15 seconds to check the 
disk space.

Vern

At 11:02 AM 4/22/2005, you wrote:
>Hello all...
>
>We've had a bit of a disk space jump in the last three days (about 3
>percent) and I am trying to determine why.  I have run an up-to-date
>collection of our disk space with RTVDSKINF and then done a PRTDSKINF and
>compared it to last week.  No change in our "heavy-hitters".  The report
>says that "user libraries" are 3 percent bigger, though.  We have a process
>set up where we create PDF versions of our invoices on the IFS, and, from
>everything I can see, this only adds about 30-50 MB a day to the system.
>The entire archive from 1-24-05 to the present only takes up 2.48 GB of
>space.  I know this from looking at Ops Nav via the properties for the
>folder I am using, and also through Windows via a mapped drive I have set
>up to a file share.  Both of these agree.  Is there some hidden space usage
>associated with the IFS that would make this grow incrementally?  We have
>one file on the system that is 7.1 GB and it only takes up 1.5% of DASD.  I
>can't imagine my IFS archive of 2.48 GB is responsible for this jump (which
>has been in the last 3 days) when the archive, except for the last week's
>worth of data, existed a week ago, way before this jump occurred.   Any
>thoughts would be appreciated.  Thanks.
>
>Bill Howie
>Programmer/Analyst
>Coastal Pet Products, Inc.
>Voice:  330-821-7363 x359
>bill.howie@xxxxxxxxxxxxxx




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