Re: why cum ptf apply faster than predicted?

["Alexei Pytel" <pytel@xxxxxxxxxx>]

> if some PTF's are applied they
> need to be unapplied before the new ones go on

Actually PTFs are never "unapplied" - that is removed.
The only PTFs which may require removal are defective ones which is a
pretty rare thing, and even with them it's only until fixing PTF is
available. As soon superceding PTF is available it goes on top of defective
one.

>  ex: 4 hrs if loading cume on top of a new release on a 520, 8 hrs if
loading
>  on top of a prev cume on the same 520?

Vice versa - loading cume on top of prev cume is usually much faster than
on top of new release - less PTFs to apply.

    Alexei Pytel




                                                                                
                   
                    "Steve Richter"                                             
                   
                    <srichter@AutoCoder       To:     <MIDRANGE-L@midrange.com> 
                   
                    .com>                     cc:                               
                   
                    Sent by:                  Subject:     Re: why cum ptf 
apply faster than       
                    owner-midrange-l@mi        predicted?                       
                   
                    drange.com                                                  
                   
                                                                                
                   
                                                                                
                   
                    05/15/2001 09:58 PM                                         
                   
                    Please respond to                                           
                   
                    MIDRANGE-L                                                  
                   
                                                                                
                   
                                                                                
                   





>There are some situations where loading and applying PTF's can take
longer -
>particular if you need certain prerequisites, if some PTF's are applied
they
>need to be unapplied before the new ones go on, it depends how many are
>superseded, what group PTF's you have installed etc. etc.
>


good explanation of the reason for the high side estimate.

But the low side estimate still remains questionable. The cover letter said
4 to 8 hours.

Is the 4 and 8 hour figure the value for the best and worse case scenario
on
a baseline system?

ex: 4 hrs if loading cume on top of a new release on a 520, 8 hrs if
loading
on top of a prev cume on the same 520?

Steve


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