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RAID 0 REALLY worth it? - Page 6

post #51 of 69
Quote:
Originally Posted by todd258
Will I notice a difference in one Raptor with 8MB cache and two Raptors with 8MB cache in RAID 0???
Yes.

Think of RAID 0 like splitting all your files into two parts, so that when you go to read them, you read both parts at the SAME TIME. Like reading a page of a book from top to bottom and bottom to top at the same time. It almost doesn't matter what two HDDs you use, you're going to get faster times because of the increased bandwidth. If you have fast HDD to start with, like a Raptor, it's going to simply be that much faster with two Raptors. Simplistically speaking, it's analagous to a 2x multiplier but in truth it's not exactly that nor is it a straight linear function, there are some complications - but overall you will see a substantial boost in your performance over a single drive configuration.

Just to throw one other tidbit in: Raptors get their speed generally because of how fast their internal discs are spinning at 10,000 RPM - which is faster than the usual 7200 RPM. Seagate however, has (fairly recently) come out with Perpendicular technology for their Barracudas - which have less moving parts internally (could potentially be more robust over time) and formats the HDD data a bit differently on the HD. The Barracuda discs still spins slower than a Raptor at 7200 RPM, but because of the new Perpendicular tech it can sometimes outperform the Raptor for certain functions - such as when retrieving large amounts of data physically close together on the HDD for a faster sustained transfer rate.

Here are some stats:

http://techreport.com/reviews/2006q2...0/index.x?pg=6

You can see that in some cases, the Perpendicular 7200.10 outperforms a Raptor.
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post #52 of 69
Wow, thanks fot that link jamenta I hope the seagates are actually that quick. Do you know if any other company are going to make perpendicular recording drives any time soon?
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post #53 of 69
Perp has been out for awhile now (a year or two?)... I believe other companies do make them. Its just that Seagate has an incredible deal right now at newegg for the Barracudas, check it out:

http://www.newegg.com/product/produc...82E16822148140

Notice that shipping is also free! For the price and performance (and even the gigs), can't beat it. Note that when you go RAID 0, you add approximately both drive sizes for total number of gigs. So if you buy 2 of the Perpendicular Barracudas above - you'll be spending about $200 for 640 gigs that perform in RAID 0 at blazing speeds.

Raptors still overall are better but you're going to spend a lot more for 640g and performance probably not worth the cost ratio IMO.
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post #54 of 69
Quote:
Originally Posted by jamenta
Perp has been out for awhile now (a year or two?)... I believe other companies do make them. Its just that Seagate has an incredible deal right now at newegg for the Barracudas, check it out:

http://www.newegg.com/product/produc...82E16822148140

Notice that shipping is also free! For the price and performance (and even the gigs), can't beat it. Note that when you go RAID 0, you add approximately both drive sizes for total number of gigs. So if you buy 2 of the Perpendicular Barracudas above - you'll be spending about $200 for 640 gigs that perform in RAID 0 at blazing speeds.

Raptors still overall are better but you're going to spend a lot more for 640g and performance probably not worth the cost ratio IMO.
Do Western Digital and maxtor make perp. drives too?
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post #55 of 69
Quote:
Originally Posted by OCZedd
Do Western Digital and maxtor make perp. drives too?
http://www.engadget.com/2006/09/14/w...ive-the-160gb/

I believe Seagate is buying Maxtor, or already has bought?
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post #56 of 69
I'm also a big fan of RAID0, I'd freakin never go back now. Like mikey, I have 2 raptors in raid0 (74gb ones though), and holy crap it's fast, mostly because of raptors nice access and seek times but also due to raid as well. Like mikey said, gas to the fire, good analogy lol ya cause it smokes for sure. I also have 2 more 74g raptors in raid0, so I have 2 raptor raid0's. That way when I transfer alot of data between my drives, it does it amazingly fast cause both raid's are very fast. For example, I can transfer say 8gb of data between my raid0's in about 1 1/2 minutes. I do that kind of thing frequently so it was worth it to me.

But even non-raptor drives, raid0 is still worth it IMO. I look at HDD's/speeds/raid0 like this- the hdd the slowest thing in your pc by a country mile, yet it's also extremely important and your pc relies on it a ton for much of what it does. In my eyes, anything I can do to speed up the slowest link, is well worth it. For many things you do, raid0 won't mean much, but when it helps...it really helps.
    
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post #57 of 69
WD do Perp. as well, and maxtor may get it now cos seagate bought them.
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post #58 of 69
Quote:
Originally Posted by OCZedd
WD do Perp. as well, and maxtor may get it now cos seagate bought them.
The link I posted above is WD. Oops, I see you said WD does Perp. Does look like it.
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post #59 of 69
For notebook at least
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post #60 of 69
Quote:
Originally Posted by OCZedd
No way is it. I have never had any spyware, adware or virus on this PC, it is clean (ok I had one virus, but i got rid of it).

I do a scan every 2 weeks, consisting of Ad-aware pro 6.0, NOD32, Spyware doctor and i very rarely get more than 5 objects on all tests and i get no viruses.
I used to do scans everyday with at least that many programs and I've still gotten a virus (even with a firewall )

I'm willing to bet that's what was slowing down more than using most of your hard drive...

Did you defrag often?
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