[mythtv-users] BackBlaze hard drive study

[Karl Dietz]

On 21.01.2014 20:38, Stephen P. Villano wrote:
>
> On 1/21/14, 2:26 PM, Raymond Wagner wrote:
>> On 1/21/2014 11:57 AM, Stephen P. Villano wrote:
>>> Didn't like their choice of RAID controller though, I've tended to
>>> prefer hardware RAID or let Linux do the RAID, as some software RAID
>>> controllers have significant overhead issues.
>>
>> It was my understanding their "storage pods" contained three rows of
>> fifteen drives each, running 5:1 port multiplier backplanes into dumb
>> controller cards, and each row was a 13+2 LVM RAID6 formatted using JFS.

> The appendix shows software RAID cards being used. So, they're not quite
> dumb controller cards, only stupid controller cards.
> I'm of the philosophy of letting the hardware do the work.

If you don't like their controllers / storage philosophy you can look at 
a variant of their design at
https://signup.netflix.com/openconnect/hardware

Regards,
Karl