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Just a reminder: RAID-0 isn't worth it - Page 2

post #11 of 47
Quote:
Originally Posted by briank
RAID-0 will give you a 0-5% increase in performance in most applications and games. And it will decrease your reliability by 50% as well as cost you twice as much.

Some things you should know:
RAID-0 only increases the sequential performance of a hard drive. So it looks nice in the benchies but not so useful for anything but video editing. You're not doubling your performance with RAID-0, just the sequential transfer rate.
Hard drive performance is decided by a number of things: sequential transfer rate, average seek time, track-to-track seek time, cache size and how the format and cache are designed (server or desktop use).
The reason many people think RAID-0 feels faster compared to their old single drive setup are the following:
They replaced an old drive with 2 faster new drives. Just a single one of these more modern drives would be much faster.
The next reason is that they did a fresh install of windows. Windows always hauls arse when you just install it, but as you install software it slows down...

http://www.anandtech.com/storage/showdoc.aspx?i=2101

Ummm..... Wrong
post #12 of 47
on paper RAID0 should wipe out any single drive setup. Even RAID0 with 2 drives should kick ass. Im gunna get RAID0. The figures seem to show that its worth it.
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post #13 of 47
DID ANY OF YOU ACTUALLY READ THAT ARTICLE!?!
Please read the entire article and then explain how it's wrong. I would like to know what is right if this is not, just for the sake of knowledge. Not based on "feel".

From the article, all the data to back it up is in the pages prior to this 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.

There are some exceptions, especially if you are running a particular application that itself benefits considerably from a striped array, and obviously, our comments do not apply to server-class IO of any sort. But for the vast majority of desktop users and gamers alike, save your money and stay away from RAID-0.

If you do insist on getting two drives, you are much better off putting them into a RAID-1 array to have a live backup of your data. The performance hit of RAID-1 is just as negligible as the performance gains of RAID-0, but the improvement in reliability is worthwhile...unless you're extremely unlucky and both of your drives die at the exact same time.

When Intel introduced ICH5, and now with ICH6, they effectively brought RAID to the mainstream, pushing many users finally to bite the bullet and buy two hard drives for "added performance". While we applaud Intel for bringing the technology to the mainstream, we'd caution users out there to think twice before buying two expensive Raptors or any other drive for performance reasons. Your system will most likely run just as fast with only one drive, but if you have the spare cash, a bit more reliability and peace of mind may be worth setting up a RAID-1 array.

Bottom line: RAID-0 arrays will win you just about any benchmark, but they'll deliver virtually nothing more than that for real world desktop performance. That's just the cold hard truth."
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post #14 of 47
Im gonna have to go with the masses on this one as well. Just this last weekend I set up my raid0 array and the only difference between my old drive and the new drives are the old drive was 60 gig the new drives are 80 gig a piece speed and cache were all the same. It definately is an improvement. And anything you need to be that damn worried about being stored on your comp shouldn't be on it in the first place but thats just my opining. Until anandtech or anyone else builds my rig and shows me physically that there is no improvement then im going to go with what I see and what I see is the fact that it did and does imcrease my comps performance. They can build a supercomputer with 800 drives in raid and it means absolutely nothing to me or my rig.


"Your system will most likely run just as fast with only one drive, but if you have the spare cash, a bit more reliability and peace of mind may be worth setting up a RAID-1 array." Appearantly we are not the ones with the reading problem. Last time I checked Will most likely is not saying it will.
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post #15 of 47
Quote:
Originally Posted by ICYUNVME
"Your system will most likely run just as fast with only one drive, but if you have the spare cash, a bit more reliability and peace of mind may be worth setting up a RAID-1 array." Appearantly we are not the ones with the reading problem. Last time I checked Will most likely is not saying no.
So because they said "most likely" the rest of their review is void?

And didn't you do a fresh install of windows with that new RAID setup? Have you ever done a fresh install of windows where it didn't "feel" faster?

Anyway, it's not my job to tell everyone how to spend their money. Just wanted to try and show that RAID-0 isn't what it's all talked up to be. But as long as it "feels" better then I guess it's worth it for you.
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post #16 of 47
humm... i just installed raid 0 with 2x250g and the boot time to take to boot into windows when from about 30sec to 15sec....
and it does load game faster than it use to
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post #17 of 47
Quote:
Originally Posted by klnospicy
humm... i just installed raid 0 with 2x250g and the boot time to take to boot into windows when from about 30sec to 15sec....
and it does load game faster than it use to
Just for reference, don't do any upgrades or anything for a couple of months and see how fast it gets into windows.
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post #18 of 47
Personally, I don't think RAID0 is worth it either. I decided on one 250GB HITACHI HDD, instead of this more popular "Two 80GB RAID0" preference. I even have a 160GB HDD I intend to hook up... As soon as I can free up an ATA slot... (Yes, it's older, no SATA for it.)
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post #19 of 47
I have 4 of the SATA2 WD-Caviar SE 120GB drives in a RAID 0 setup and for desktop use I don't think 128kb cluster size like they used in their test is one of the better choices for "general" performance. At least it wasn't for me. I found my controller had the best "general" performance with a 16k cluster size. And while there may not be a need for the extra performance (for you), it sure does help with response time when loading from disk.

In WoW I can enter a portal after most people and arrive on the other side before them.

Btw, comparing 2x 80Gb in a RAID to a single 250Gb drive isn't apples to apples. My drives have an uncached speed of about 58MB/s, where my 200GB Hitachi drive had a speed of 52MB/s uncached. Chances are the newer drive may perform a little better, but it's not a guarantee. Performance varies.. YMMV.
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post #20 of 47
Quote:
Originally Posted by Bluecow003
So because they said "most likely" the rest of their review is void?

And didn't you do a fresh install of windows with that new RAID setup? Have you ever done a fresh install of windows where it didn't "feel" faster?

Anyway, it's not my job to tell everyone how to spend their money. Just wanted to try and show that RAID-0 isn't what it's all talked up to be. But as long as it "feels" better then I guess it's worth it for you.

Ive also done a multitude of installs on the single drive so I think I am more than qualified to say that in raid fresh install, old install, no install its just faster and yes because they didn't have the balls to say definitively that it doesn't does make it void. Think of this if they are gonna come that strong with that opinion don't you think that if they believed it they would have said yes a single drive is always faster.
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