[mythtv] file checks in HandleQueryRecordings

[Michael T. Dean]

On 11/22/2006 05:18 PM, Martin Ebourne wrote:
> On Wed, 22 Nov 2006 14:40:49 -0500, Michael T. Dean wrote:
>   
>> Why do you spin down hard drives in a non-laptop system, anyway?  The 
>> following is an excerpt from the FAQ for the laptop-mode-tools ( 
>> http://www.samwel.tk/laptop_mode/tools/faq.html )
>>     
>
> Can't speak for the original poster, but I spin several of my disks down.
> I do it to reduce power consumption, and also to reduce case temperature
> in the summer.
>
>   
>> Spinning Down May Kill Hard Drives
>>
>> Desktop hard drives are usually rated for only 40,000-50,000 spinups, 
>> and one spinup every 10 minutes will kill your 40,000-spinup HD in 277 
>> days. So this is NOT recommended for server use, unless you increase the 
>> spinup interval dramatically, to say once every hour or two. Laptop hard 
>> drives are usually rated for around 300,000 spinups, so those will last 
>> about 2083 days or 6 years if you have them powered on 24-7.
>>     
>
> Sure, but there's no point spinning a disk down for 10 minutes, and it'd
> be daft to spin down a system disk on a server. But a lot of data storage
> disks are accessed infrequently and it is well worthwhile spinning these
> down. In my setup the disks spin up on average about 4 times a day. That
> gives me 10,000 days of life. Somehow I don't think they'll last that long
> anyway...
>   

That makes sense.  Perhaps I've just been overly scared by the "limited" 
lifetime.

Mike