• Subject: RE: High DASD utilization
  • From: Neil Palmer <npalmer@xxxxxxxxxxx>
  • Date: Wed, 8 Jul 1998 12:24:53 -0500

Having run our old model 200-2031 at around 95% for the last six months
of it's life (until we replaced it with an S10) the only real
consequences I observed were that:
a) you need to keep a close eye on the total DASD usage
        (yes, a shop full of programmers WILL try to restore a 500MB
library from tape without first checking to see if space        is
b) you may want/need to IPL a bit more frequently to free up temporary
object space (although witin a few days this usually    climbs back to
where it was before)

Neil Palmer                                AS/400~~~~~      
NxTrend Technology - Canada   ____________          ___  ~     
Thornhill, Ontario,  Canada   |OOOOOOOOOO| ________  o|__||=   
Phone: (905) 731-9000  x238   |__________|_|______|_|______)   
Cell.: (416) 565-1682  x238    oo      oo   oo  oo   OOOo=o\   
Fax:   (905) 731-9202       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 
mailto:NPalmer@NxTrend.com    AS/400  The Ultimate Business Server      

> -----Original Message-----
> From: Graap, Ken [SMTP:keg@gasco.gasco.com]
> Sent: Tuesday, July 07, 1998 12:28 PM
> To:   'Midrange'
> Subject:      High DASD utilization
> Several years ago I had a conversation with IBM about the long term
> affect of running at 95% plus AUX Storage utilization on an AS/400. I
> can't remember the conversation exactly, but I do seem to remember
> that
> there are some dire consequences of having auxiliary storage remain
> very
> high for extended periods of time.
> The part I seem to have retained in my brain was that eventually the
> system would have to be completely restored.... Yikes!
> Does anyone have any knowledge of what the consequences are of running
> between 95-99% AUX Storage utilization for months on end might be?
> Hopefully what IBM told me years ago isn't true today. 
> Thanx in advance for any information...
> Kenneth
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