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Old 01-16-08, 04:51 PM   #1
hokeyplyr48
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Default triple raptor RAID-0 or one drive separate?

One of my 150gb raptors in my RAID-0 array died and for some reason Western Digital is sending me two back so i'll have a total of three hd's.



^ makes sense doesn't it? recieve 1 send 2...

so my question is should i do a triple raptor raid 0 array? or should i just throw that in separately? should i put certain files on there or what?

any thoughts?
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Old 01-16-08, 04:55 PM   #2
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Default Re: triple raptor RAID-0 or one drive separate?

RAID-0 is really great, if you don't mind loosing all your data. Think RAID-5 instead
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Old 01-16-08, 05:01 PM   #3
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Default Re: triple raptor RAID-0 or one drive separate?

well i use RAID-0 for the speed and i do back everything up frequently.

but i am sticking with a RAID-0 setup and i'm wondering if i should stick with just the two or throw the third one in there. would i see any speed increase?

if not, what should i use it for? like my music or program files or what? (not for storage, looking to speed things up. got plenty of space for storage, read sig)
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Old 01-16-08, 05:07 PM   #4
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Default Re: triple raptor RAID-0 or one drive separate?

Quote:
Originally Posted by hokeyplyr48
well i use RAID-0 for the speed and i do back everything up frequently.

but i am sticking with a RAID-0 setup and i'm wondering if i should stick with just the two or throw the third one in there. would i see any speed increase?

if not, what should i use it for? like my music or program files or what? (not for storage, looking to speed things up. got plenty of space for storage, read sig)
Seriously do you gain any speed at all from Raid-0 with raptor drives? Saw a benchmark comparing two raptors in raid-0 to a single drive, and there were no difference in performance between the two.

Edit: Found the review here

Quote:
Final Words
If you haven't gotten the hint by now, we'll spell it out for you: there is no place, and no need for a RAID-0 array on a desktop computer. The real world performance increases are negligible at best and the reduction in reliability, thanks to a halving of the mean time between failure, makes RAID-0 far from worth it on the desktop.
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Old 01-16-08, 05:34 PM   #5
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Default Re: triple raptor RAID-0 or one drive separate?

RAID-0 is a complete waste of time on a desktop computer (especially with Raptors...). I used to run RAID-0 with 2 of my drives and there was NO noticeable performance difference. Now I run RAID-1 (mirror) with 2 of my drives for my documents drive. That way I don't have to backup all the time and have peace of mind that if one breaks, I still have all my data.
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Old 01-16-08, 06:04 PM   #6
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Default Re: triple raptor RAID-0 or one drive separate?

you cant run RAID 0 with 3 drives you need, 2 , 4, 8 drives and so on... i think thats the case.

with 4 drives in RAID 0 you will see a great jump in performance.
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Old 01-16-08, 07:15 PM   #7
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Default Re: triple raptor RAID-0 or one drive separate?

Some of you need to understand this **** before you offer advice and state facts that are false
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Old 01-16-08, 08:02 PM   #8
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Default Re: triple raptor RAID-0 or one drive separate?

If I had three I'd run RAID5. You're not losing any capacity since you had two 150GB drives anyway. This way, when one dies again you can most likely rebuild your data.

You can run RAID 0 with an odd number of drives, no problem.

mythy, why don't you correct them instead of just pointing it out?
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Old 01-17-08, 05:45 AM   #9
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Default Re: triple raptor RAID-0 or one drive separate?

I already did in another thread about the Samsung F1 Its getting pointless since no one listens.
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Old 01-17-08, 12:36 PM   #10
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Default Re: triple raptor RAID-0 or one drive separate?

With Raid-0 you do get better performance out of Raptors. I can confirm this quite easily.

I will run some iozone benchmarks tomorrow when I get to the office, and I will post some graphs...

PS: about RAID-5, good idea if you want safety, but bad for (especially write) performance...
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Old 01-17-08, 05:57 PM   #11
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Default Re: triple raptor RAID-0 or one drive separate?

performance for what? Are we talking I/O performance? Throughput or access time?
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Old 01-17-08, 08:12 PM   #12
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Default Re: triple raptor RAID-0 or one drive separate?

I'd use RAID 0 on two of them and use the last one independant. Running RAID 0 on three drives is really pushing the risk envelope IMO.

I think the performance/risk ratio is worth it to RAID 0 two drives but when you throw in a third I don't think your're going to see tremendous improvement for the risk of loosing it all.
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