W. Chris Shank on Tue, 28 May 2002 17:12:23 -0400


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Re: [PLUG] Linux Raid


in raid 0 - no parity, i suppose it still has to figure out the stripes.

i suppose this is a good example of why it's best to have hardware doing
this for you...

but then again, if your cpu is fast enough and you have sufficent ram, then
a performance array (raid 0) will still give a boost to write performance, right

>> read or write performance is boosted is a little vague. As i recall,
>> if you use seperate channels for each disk, it will increase write
>> performance, since you can write half the data to each disk
>> simultaneously. 
> 
> However for software reid the CPU also have to compute for disk parity 
> and stripes.
> 
> jondz
> 
> 
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