[mythtv-users] new rig ... help with specs

Jim Morton Jim at Morton.hrcoxmail.com
Tue Sep 22 16:42:09 UTC 2009



Robin Hill wrote:
> On Tue Sep 22, 2009 at 09:34:04AM -0600, Brian Wood wrote:
>
>   
>> On Tuesday 22 September 2009 09:23:27 Chris Stevens wrote:
>>     
>>> The situation with RAID hard drives is fairly straight-forward: buy the
>>> enterprise versions - eg. Seagate 750 ES. These have MTB of around
>>> 3,000,000 hours which is over 300 years and are only a bit more
>>> expensive.
>>>
>>> But there is just one primary rule for any HD: KEEP THEM COOL. Drives go
>>> very quickly if you let them overheat. You can actually buy any old
>>> rubbish so long as you follow this rule.
>>>       
>> I would think so as well, but:
>>
>> The Google paper on hard drive reliability seemed to contradict this
>> seemingly common sense idea.
>>
>> They were unable to show much of a correlation between temperature and
>> failure rates.
>>
>>     
> The thing with the Google paper is that it was all done within
> standard data centre operating conditions - when they showed no
> correlation between failure and temperature, this is within a very
> narrow range of temperatures.
>
>   
If you read the paper and looked at the pretty graphs I don't think you 
would say that. The temp range IIRC was 20 - 50 degrees C. That's hardly 
a "narrow range."


-- 
_________________________________________________________

 Jim Morton  

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mythtv.org/pipermail/mythtv-users/attachments/20090922/585a01df/attachment.htm>


More information about the mythtv-users mailing list