[mythtv-users] [OT] Western Digital buying Hitachi

[Calvin Harrigan]

On 3/10/2011 2:32 PM, John Drescher wrote:
> On Thu, Mar 10, 2011 at 2:26 PM, Tyler T<tylernt at gmail.com>  wrote:
>>>> Ah.  I'd gathered that geometrical differences amongst the drives caused
>>>> inefficiency; I guess that only happens on RAIDs with spindle sync.
>>>>
>>>
>>> The differences are usually not big enough to cause problems or even
>>> noticeable performance penalties.
>>
>> Seems to me like using half of a drive might even decrease seek times?
>> Less platter area for the head to sweep...
>
> It would but that may not help (or can actually can hurt a little)
> since the other drives in the other drives in the array take longer to
> seek.
>
> John
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The older drives will seek slower than the new drive, but no slower than 
they always were seeking.  I don't see how (not that it's impossible) 
that will affect performance.