[G4] HD size vs. performance

[B G]

in addition if you look at the specs on the drives buffer size and  
access(seek) time are more than likely a factor also.


Brian

G4 gigE 1.0 GHz Powerlogix, 1 GB RAM (Dual 160's, 200, 80 GB) Drives

On Sep 13, 2006, at 7:26 AM, Richard Klein wrote:

> jim carbone sez:
>>
>> I notice that it's a huge speed difference now. Apps like Word and
>> Photoshop which used to open slowly, now pop open super-fast.  My
>> question is: Is this a function of the fact that it was cloned to a
>> new drive (almost like a major defrag) or is it because of the
>> massive amount of free space on the drive? I feel like 160GB is gross
>> overkill for the 28GB my OS drive uses (I have my iTunes and iPhoto
>> libraries on other HDs).
>
> It probably did defrag the files as it cloned them, but in addition to
> that, a larger capacity drive of the same form factor has the data  
> packed
> closer together which often means that the drive head doesn't have to
> travel as far to get to it.  If the drive has more platters, the  
> switch
> between platters is electronic rather than mechanical, so it's also  
> faster
> to access data that's distributed across platters rather than  
> moving the
> head to various places on a single platter.  It all comes down to  
> moving
> the heads as little as possible.
>
> -- 
> Rich
>
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