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ۼ : 06-04-11 21:24
RAID 1-6 ϱ
 ۾ :
ȸ : 3,550  
1 6 RAID ˾ƺ, 丮 ´ ãƺ.

ʹ ߿ϰ ͳ ô뿡 ͸ ְ ϴ ſ ߿ϴ. ׷ κ ͸ ϰ ϱ RAID  Ѵ.

κ ׷ RAID 5 ּ 󸶳 RAID 5 ϰ ? κ RAID 5 Ѵٸ ٸ RAID ּ 𸥴.

󸶳 RAID 10 50 Nؼ ? ߸ RAID RAID 5 ְ 丮 ýۿ Ѵ. ۿ ⺻ RAID Ұϰ ۿ RAID 10 ׽Ƽ(nested) Ҹ RAID ҰϷ Ѵ. (: http://www.acnc.com/04_00.html RAID ׸ ִ.)

RAID 0(ũ Ʈ)
* ּ ̺ : 2
* ִ 뷮 : ũ x ũ 뷮
* : ͸ ɰ ϴµ ٸ ũ ȴ.

* : ſ . ʹ "(spindles)" 丮 а . , I/O ε尡 лǴ ǹϱ ſ . ̷ ũ ߰ϴ ȴ. û ʿ ϴµ ˾ 丮 ̿(IOmeter) Ͽ ȮѴ.
* : ̺ ϳ RAID  ġ õü ̰ ְ ũ ߰ Ѵ.(: ̴ ũ 迭 ǹ)

RAID 1 (ũ ̷)
* ּ ̺ : 2
* ִ 뷮 : (ũ /2) x ũ 뷮
* : 丮 Ǵ ʹ ũ ǰ ʹ ߺȴ.

* : ̺ ϳ Ȱ ٸ ̺갡 ϳ ֱ ſ ϴ. RAID 1 б ̺꿡 ɰ ų ξ .
* : ̺ ̷DZ ü 뷮 ݹۿ Ѵ. ̺ ͸ ϱ ٸ RAID ɺٴ ξ .

RAID 2: ̻ ʴ´

RAID 3(иƼ ϰ ũ ķ óѴ)
* ּ ̺ : 3
* ִ 뷮 : (ũ - 1) x ũ 뷮
* : ʹ Ʈ ɰ ũ յϰ ǰ иƼ ũ ȴ.

* : ̺갡 ϸ (sequential write) ɰ б(sequential read) ϴ.
* : ʰ ذϴ ִ. ϵ RAID Ǿ ϴ. RAID 3 ſ ȿ (random write) ڰ б(random read) . .

RAID 4 ( ũ иƼ Ѵ)
* ּ ̺ : 3
* ִ 뷮 : (ũ - 1) x ũ 뷮
* : ɰ ũ յ ʴ. RAID 3ó RAID 4 иƼ óϱ ũ Ѵ. Ʈ 뷮 ýۿ б ӵ ſ ߿ѵ ̷ ýۿ ϴ.
* : ̺ ϳ ϰ б ſ .
* : б(block read) .

RAID 5(иƼ ȯŰ ̿ Ѵ)
* ּ ̺ : 3
* ִ 뷮 : (ũ - 1) x ũ 뷮
* : RAID 4ó ũ ׻ յ ʰ иƼ ũ ȴ.
* : ϴ ȸ簡 ̺갡 Ѵ.
* : ũ 籸(rebuild) ſ иƼ Ӿ ؾ ϱ ϴٰ .

RAID 6( ũ иƼ лȴ)
* ּ ̺ : 3
* ִ 뷮 : (ũ - 2) x ũ 뷮
* : RAID 4ó ũ ׻ յ ʰ иƼ ũ ȴ.

* : ̺ ϰ б ϰ ſ ߿ 쿡 ϴ.
* : иƼ ؾ ϱ RAID 5 ſ ڴ. ũ 籸ϴ ȿ ſ ִ. @

 
 

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