HighPoint RocketRAID 2711 설치 매뉴얼 - 페이지 2

{카테고리_이름} HighPoint RocketRAID 2711에 대한 설치 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. HighPoint RocketRAID 2711 19 페이지. With ej6172 device board and data raid

Part 1 – W hat i s a D ata R AID?

A D ata R AID i s s etting u p a R AID a rray ( 0, 1 , 5 , 6 , 1 0 o r J BOD) o n t he R ocketRAID 2 711 s eries

controller.

RAID a rrays o ffers a dvantages o f p erformance a nd p rotection w ith r edundancy.

RAID B asics?

RAID s tands f or R edundant A rray o f I ndependent D rives. T his m eans t aking m ultiple m atching d rives

and a rranging t hem t ogether t o a chieve l arge s torage s pace, s peed, d ata p rotection, o r a ny

combination o f t he t hree. T he R ocketRAID 2 711 s eries c ontroller s upports t he f ollowing R AID t ypes:

RAID 0 " Stripe"

Speed: D ata i s a lternated a cross t wo o r m ore d rives t o g ain s peed b y e ssentially d istributing t he

workload. 

Protection: N o b uilt-‐in p rotection.

Capacity: U sable s pace i s t he c ombined c apacity o f a ll t he d rives.

RAID 1 " Mirror"

Speed: N o s peed b enefits g ained.  

Protection: O ne d rive c an f ail a nd a ll d ata w ill s till b e a ccessible.

Capacity: O ne d rive w orth o f u sable s pace o ut o f t he t wo t otal d rives u sed.

JBOD ( Independent D rive M odes)

Speed: N o s ignificant s peed g ains.  

Protection: N o b uilt-‐in d ata p rotection.  

Capacity: I n J BOD m ode, t he c apacities a re c ombined. W hen s et u p a s i ndependent d rives, e ach d rive

presents i ts s tated c apacity f or u se.

RAID 5 " Stripe & P rotection"

Speed: D ata i s s triped l ike i n a R AID 0 , s o s ignificant s peed g ains a re s een.  

Protection: U tilizes m athematical p arity t o a chieve d ata p rotection w hile t aking u p a m inimum o f

space. O ne d rive c an f ail a nd a ll d ata w ill s till b e a ccessible.

Capacity: A ll b ut o ne d rive w orth o f c apacity i s u sable. M inimum t hree d rives a re n eeded t o c reate a

RAID 5 a rray. I n a t hree d rive R AID 5 a rray, t here i s t wo d rives w orth o f u sable s pace.

RAID 6 " Stripe & D ouble P rotection"

Speed: D ata i s s triped l ike i n a R AID 0 , s o s ignificant s peed g ains a re s een.  

Protection: U tilizes m athematical d ual p arity t o a chieve d ata p rotection w hile t aking u p a m inimum

of s pace. T wo d rives c an f ail a nd a ll d ata w ill s till b e a ccessible.