Re: Usefulness of RAID 4

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On Feb 19, 2013, at 3:41 PM, Stan Hoeppner <stan@xxxxxxxxxxxxxxxxx> wrote:

> On 2/18/2013 9:01 PM, Chris Murphy wrote:
>> Assuming HDD only, is there broad use case for RAID 4 that RAID 5 isn't equally or better suited for?
>> 
>> What about making the parity drive an SSD, keeping the other drives HDD?
> 
> Why are you revisiting RAID-4?

Because it's offered in Fedora 18's GUI installer.

>  It's dead tech, decades ago.  It has no
> advantages over subsequent RAID levels, yet significant handicap.

That's what I thought. But is it remotely practical/useful to use HDDs for data drives, and one SSD as the parity drive to eliminate the parity write bottleneck of RAID 4?


Chris Murphy--
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