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what do you say about RAID setups ? - Page 2

post #11 of 25
Quote:
Originally Posted by the magical me View Post
still there is no clue about the difference between the HDDs RPM speeds, neither the difference in the cache amount.

no idea ?
Performance will be limited to the slowest drive.
You should get 85-90% of the performance out of 2x the slowest drive in sequential transfers.

Example>
Drive 1 - 100 MB/sec
Drive 2 - 90 MB/sec

Drive 1 will always be waiting on Drive 2.
Predicted performance in a two drive array = 90 * 2 * .85(or .90) = ~150-160 MB/sec
Edited by beers - 12/24/10 at 5:22pm
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post #12 of 25
Thread Starter 
OK, here is a link of the local store I usually deal with, but unfortunately they don't publish detailed information about their product, unless I contact them via telephone to know more, so please help me know if there is any F3 HDD between the ones they have ?

and in case there is not, which ones are the best to pair from that link ?

thanks
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post #13 of 25
Quote:
Originally Posted by the magical me View Post
OK, here is a link of the local store I usually deal with, but unfortunately they don't publish detailed information about their product, unless I contact them via telephone to know more, so please help me know if there is any F3 HDD between the ones they have ?

and in case there is not, which ones are the best to pair from that link ?

thanks
EDIT:
You need to find a better store. They only carry Seagate drives there for the most part. The WD and Samsung drives they carry are absolute junk. And Seagate, I wouldn't trust them anymore, even for my pron collection (keeping in mind that can be streamed for free).
Edited by pioneerisloud - 12/24/10 at 5:28pm
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post #14 of 25
I have 3x640GB blacks in raid0 (very similar to the 1TB version) and I get about 250 Mbps reads. It's a huge improvement from having 60 Mbps reads. Games load way faster and programs load faster as well. If you have the money go for it. I only boot my computer up about once a week and I honestly don't remember what boots are like without it. My SSD handles boots though. I think it adds about 3-4 seconds to flash through the raid screen. Like I said though, it's totally worth it.


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post #15 of 25
My experience with Raid 0 has always left me with loss of data, they just fail way to much. I have finally moved to an SSD to boot my OS and the performance is incredible. Win. 7 loads in less than 15 seconds. Even my Raid array couldn't do that, and with TRIM support it doesn't lose it's speed over time! Of course I have 2 1TB WD Greens for storage and they are wonderful just for that.
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post #16 of 25
Thread Starter 
then is this one good for RAID 0 ?
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post #17 of 25
Quote:
Originally Posted by the magical me View Post
then is this one good for RAID 0 ?
WD has two drives with 64MB cache and SATA 3.0. They have the Green model and the Black model. If you can make sure that its the Black model, then yes those are superb for RAID0. Fastest you can get for a two mechanical drive RAID0 setup, short of the 1.5 and 2TB drives.
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post #18 of 25
Quote:
Originally Posted by pioneerisloud View Post
If you have the right drives (Samsung F3 1TB or WD Black 1TB or bigger), then yes RAID0 is a must have . Just make sure you backup your data. The data doesn't exist unless it exists in 3 places at once. RAID-0 means twice the chance for failure.

The increased boot time, honestly...is about the same as a single drive on my rig. I have my BIOS, then my RAID BIOS, then Windows boots up. With a single drive, I skip the RAID BIOS. But, everything is absolutely faster. I load into Windows almost instantly. Programs open as soon as I click them. I'm always the first into a game.

Like I said, just make sure you have a solid backup solution for storage.
Actually four times as likely.
Example:
Let us say there is a one in one hundred chance that a HDD fails:

P(HDD1) = 0.01
P(HDD2) = 0.01
Probability of either HDD1 or HDD2
P(HDD2 || HDD1) = 0.01 + 0.01 = 0.02
But there is a possibility that both will fail: 0.01*0.01 = 0.001
So it is actually a chance of P(HDD1&&HDD2) || P(HDD1 || HDD2)

Or roughly 2.1%, so a bit more than twice as likely.
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post #19 of 25
Quote:
Originally Posted by cdolphin View Post
Actually four times as likely.
Example:
Let us say there is a one in one hundred chance that a HDD fails:

P(HDD1) = 0.01
P(HDD2) = 0.01
Probability of either HDD1 or HDD2
P(HDD2 || HDD1) = 0.01 + 0.01 = 0.02
But there is a possibility that both will fail: 0.01*0.01 = 0.001
So it is actually a chance of P(HDD1&&HDD2) || P(HDD1 || HDD2)

Or roughly 2.1%, so a bit more than twice as likely.
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post #20 of 25
Thread Starter 
well...

let's go to another part of the story and ask, else than booting time, am I going to see any better performance with games and applications during the actual running of them with RAID setup??

I mean to ask : is there any extra performance gain during a game play itself rather than booting it faster than on one HDD ??

not only games, what about applications like Adobe InDesing, Adobe Photoshop... ??

any other performance gain rather than a faster load ?

thanks .
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