[mythtv-users] Raid question for myth box

[Marc Nicholas]

I pretty much agree with everything Yan says....especially given the 
nature of the application.

-marc

On Wed, 24 Nov 2004, Yan-Fa Li wrote:

> Frank Baylee wrote:
>> So, is there any advantage to paying the extra $$$ for the ICH6R
>> chipset if I wish to do RAID under Linux? (My understanding is that the 
>> ICH6R
>> isn't 'true' raid, but 'fakeRaid').
>
> None at all.
>
> BIOS Software RAID solutions:
> Pros:
> 	- Cheap
> 	- RAID: 0, 1, 10
>
> Cons:
> 	- Low Performance
> 	- Hard to Recover
>
>
> Linux Software RAID:
> Pros:
> 	- Cheap
> 	- High Performance
> 	- Well Tested and Reliable
> 	- RAID: linear, 0, 1, 10, 5
> 	- Higher Chance to Recover
> 	- Access to Smart Data on Drive
>
> Cons:
> 	- More complex setup
> 	- Slightly more complex Recovery
>
>
> Hardware RAID:
> Pros:
> 	- Middle to High Performance
> 	- Easier to Set Up
> 	- Potentially Seamless to OS
> 	- Automated Recovery
> Cons:
> 	- Spendy
> 	- Harder to Recover
> 	- Dependent on Quality of Firmware Tools
> 	- Limited or No Access to Smart Data
>
>
> I use Linux RAID all the time professionally and at home.  Three of my 
> servers at home use RAID 0, 1 and 5 in various combination.  I've had to 
> perform recovery on Bad Drives on multiple occasions, and while a little 
> scary at first once you see how it works you'll appreciate just how well 
> designed it is.
>
> Linux RAID kicks butt and is extremely reliable, just pay for more IDE/SATA 
> ports, don't worry about the RAID features, think Ports.  The only real rule 
> in Linux RAID is one drive per controller port.  No SLAVES, only MASTERS all 
> modern CPUs above 1GHz can handle Linux RAID with one hand tied behind their 
> backs.
>
> Yan
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