[mythtv-users] How is this pricing possible?

[Yan Seiner]

Jay Ashworth wrote:
> ----- Original Message -----
>   
>> From: "Yan Seiner" <yan at seiner.com>
>>     
>
>   
>> Well, you can take advantage of the fact that myth needs high capacity,
>> low speed. So get a sackful of 1 GB drives and build a few raid-6
>> arrays. I've found that about 3TB is the practical limit of the
>> technology for SATA in terms of verify and rebuild speeds. Maybe the
>> newer controllers are faster, but when time to rebuild starts to
>> exceed 48 hours I get a bit worried.
>>     
>
> Indeed.  I gather RAID-6 avoids the "rebuild time longer than MTBF of drives"
> problem?  :-)
>   

Mostly when one drive fails, the array degrades to a raid-5 - so it 
takes a 3 drive failure to crash the array.

My hardware is old, I run Athlon Dual Core 4600 in my server, so quite 
possibly newer mobos have greater throughput and faster rebuild speeds, 
but the idea is still sound.  You don't want the rebuild to take longer 
than MTBF.  :-)


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