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"Mauger, Jenny" wrote:

> How do you check the Disk Arm Utilisation?  Is this the way the system
> distributes data to the different disks?  If so is the impact on performance
> the time it takes to move between disks if the system is distributing data
> in a given way between smaller and higher capacity disks?
>
> Sorry just a few basic questions from a beginner.  We have a variety of
> different disk sizes and they all show equivalent % utilisation so how do we
> know if the system is inefficient (apart from response time).  Response time
> is okay but how do you know if it could be better?
>
>

Hi Jerry,

 I have been a bit late coming into this post. One thing I seen to remember,
that I have not yet seen a reply to, is that you could also balance your 'hot'
and 'cold' data across disks. I will have to go and check out the commands,
sequence and implications if you are interested.

Cheers.

Jan.



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