[Discuss] PCI RAID card for Linux?

[Deryk Barker]

Jim Roepcke wrote:

> On 26-May-06, at 11:00 PM, David Bronaugh wrote:
>
>>> Do you have any recommendations for PCI RAID cards (or have a  
>>> better idea?) that I can confidently use with Linux (and hopefully  
>>> Dapper Drake)?  Hopefully something that isn't super-expensive, I  
>>> definitely don't want to be spending hundreds but I honestly have  
>>> no idea how much these kinds of cards cost.
>>
>>
>> Don't bother with a RAID card, simply use both onboard IDE channels  
>> and use Linux software RAID. It'll work fine.
>
>
> Excellent!
>
> IIRC, if I put an ATA hard drive on the same channel as the ATA CD- 
> ROM drive the performance of the hard drive will suffer.  Is that  
> true?  Should I be worried about that or is that just a myth/bunk?

It used to be the case that CD-ROMs would only do 16-bit I/O and the IDE 
channel it was on would therefore only do 16-bit, which was bad news for 
any hard drive on the same channel.

Whether this is still true, I have no idea.