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From Allen Wittenauer ...@yahoo-inc.com>
Subject Re: tuning performance
Date Fri, 13 Mar 2009 18:56:14 GMT



On 3/13/09 11:25 AM, "Vadim Zaliva" <krokodil@gmail.com> wrote:

>>    When you stripe you automatically make every disk in the system have the
>> same speed as the slowest disk.  In our experiences, systems are more likely
>> to have a 'slow' disk than a dead one.... and detecting that is really
>> really hard.  In a distributed system, that multiplier effect can have
>> significant consequences on the whole grids performance.
> 
> All disk are the same, so there is no speed difference.

    There will be when they start to fail. :)



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