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Poll: What Block size should i use for Raid 0 mode?
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What Block size should i use for Raid 0 mode?

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Old Jan 31, 2004, 06:25 PM   #1 (permalink)
Judas
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System Specs

Raid 0 Block Size?
I've been running ATA133 Raid 0 with a block size of 128kb... which... i must say isn't doing to badly... but then again.. i haven't ran anything different..

If you want... here's some more specs of what the controller is and whatnot..

First off.. it's onboard chip.... AT7-MAX2 (Abit) motherboard with a Highpoint Technology 374 controller... (which i must say i love)

Now the controller support 4 IDE ports... plus 2 sata..... meaning i could theoretically raid up to 10 devices.... (yes... sata and IDE can be done... acording to my manual but i'm not going to try it)

I've got 2 Maxtor 30gb ATA133 2Mb Cache hardrives on IDE 0 and 1... my other CD devices on Ide 2 and 3.... all are MASTER

My Highpoint controller supports the following block sizes:

4kb
8kb
16kb
32kb
64kb
128kb (currently at this)
256kb
512kb
1mb
2mb

What's your sugestions?
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Old Jan 31, 2004, 06:28 PM   #2 (permalink)
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System Specs

Just noticed after making the poll..... i have exactly 10 options.....
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Old Jan 31, 2004, 11:51 PM   #3 (permalink)
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System Specs

64 kb here
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Old Feb 1, 2004, 12:37 AM   #4 (permalink)
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.....well ....maybe if i post some results of my current HD scores... that might say something... no?
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On the matter of communism, and it's front organizations should not obscure the issues. ~Adolf Hitler
Our enemy is a radical network of terrorist, and every government that supports them. ~George W. Bush
An evil excists that threatens every man, woman, and child, of this great nation. We must take steps to ensure our domestic security and protect our homeland. ~George W. Bush & Adolf Hitler
Look in the mirror occasionally, unless you reflect on what has occured in the past, scale those historical moments and forgotten moments to todays current situations, you are bound, in every inconceiveable and unwanted way, to repeat that which you may have swore to never do, and never support. We must awaken, and we must do so now and in mass. ~*pm me for whom*
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Old Feb 1, 2004, 01:01 AM   #5 (permalink)
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Currently in PcMark2002... i score just over the 1600 marks for HD....

Which i don't think is to bad at all....

http://service.futuremark.com/compare?pcm=1695913

Does HD tach work yet?
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Old Feb 1, 2004, 02:40 PM   #6 (permalink)
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Hmm, 4k's window Xp's default I believe. I've read somewhere that 16k gives great performance. Damn I'll have to hunt around a bit and find the forum/thread.
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Old Feb 1, 2004, 05:31 PM   #7 (permalink)
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.....this isn't refering to cluster size though darkfoss.... it's a bit different.... Block size is i think how the raid controller will organize and format the drives.... then how it transfers.....
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Our enemy is a radical network of terrorist, and every government that supports them. ~George W. Bush
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Look in the mirror occasionally, unless you reflect on what has occured in the past, scale those historical moments and forgotten moments to todays current situations, you are bound, in every inconceiveable and unwanted way, to repeat that which you may have swore to never do, and never support. We must awaken, and we must do so now and in mass. ~*pm me for whom*
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Old Feb 1, 2004, 09:14 PM   #8 (permalink)
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System Specs

aka stripe size, Judas?
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Old Feb 1, 2004, 10:55 PM   #9 (permalink)
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yeah I was a bit confused. From what I've been reading setting the block size all depends on what you're going to use it for. The 1 and 2 meg would be best suited for capturing large amounts of video. Here's one of the most thorough explainantions I've found so far. You might want to read the whole article rather than just the part I've linked to. Hope this helps you.
http://www.storagereview.com/guide20...erfStripe.html
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Old Feb 2, 2004, 01:21 AM   #10 (permalink)
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Quote:
Originally posted by DarkFoss
yeah I was a bit confused. From what I've been reading setting the block size all depends on what you're going to use it for. The 1 and 2 meg would be best suited for capturing large amounts of video. Here's one of the most thorough explainantions I've found so far. You might want to read the whole article rather than just the part I've linked to. Hope this helps you.
http://www.storagereview.com/guide20...erfStripe.html
lol.. i found that a little while ago when i was forced to do a fresh install... (something messed up and started getting ugly)....

That's the link Panging should take a look at..

Vamp, yeah... same thing.. actuall block size and stipe size/stripe length have different names...

Stripe WIDTH however is the number of hardrives you have within the stiped array...

After looking at it... and comparing it to the files i have... and figureing out that i have pretty solid results from my Hds..... i figured i'd stay the same.... (was actually considering moving up to 256kb block size)
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Old Feb 2, 2004, 09:48 AM   #11 (permalink)
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Thanks for pointing it to me, its another good information. and i think you've got all the good info you needed. only its still fall into... it depends and you'll have to experiment with it, to get the best performance. check it out and if you have free time enough write it down and share it...
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Old Feb 5, 2004, 12:50 AM   #12 (permalink)
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my big question is if I have already made a RAID array with a smaller stripe size can I adjust the stripe size without having to reinstall the OS and everything?
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Old Feb 5, 2004, 01:07 PM   #13 (permalink)
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so no one has a clue eh?
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Old Feb 5, 2004, 01:08 PM   #14 (permalink)
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Quote:
Originally posted by Crash Override
my big question is if I have already made a RAID array with a smaller stripe size can I adjust the stripe size without having to reinstall the OS and everything?

Ahh from what I remember you can't. Gotta redo it all...
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Old Feb 5, 2004, 01:11 PM   #15 (permalink)
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Quote:
Originally posted by krazy1
Ahh from what I remember you can't. Gotta redo it all...

good thing this is a fresh OS install then without anything on it really


Gonna knock it all down and restart from scratch then
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