描述
TB711FC1
隨著RAID技術(shù)的不斷推廣,用戶有時(shí)很難全面了解不同RAID級(jí)別具體表示什么意思。大多數(shù)人都知道RAID0和RAID5的含義,但了解諸如RAID60和RAID5EE等其他RAID級(jí)別工作原理的人卻寥寥無幾。
不同的RAID級(jí)別對(duì)應(yīng)于不同的性能、容量和可靠性,代表了這三種關(guān)鍵參數(shù)的不同平衡組合。
從最基本的角度來說,所有RAID級(jí)別均建立在RAID0、1、5和6這幾個(gè)基本RAID級(jí)別基礎(chǔ)之上。一些RAID級(jí)別衍生出某些少見的變種,比如RAID1E、5E和5EE,它們與RAID1、5的特性相似,不過更豐富一些。
下表歸納了四種基本RAID級(jí)別的工作原理,并根據(jù)性能參數(shù)、可靠性要求和用戶愿意提供的可用容量比較不同陣列方式的優(yōu)缺點(diǎn)。
Cisco Catalyst WS-C3560-24PS-S 3560 24×10/100 + 2xSFP
Cisco WS-X6K-SUP1A-2G?E Supervisor Karte Catalyst 6500
Cisco Catalyst 3750-24PS EMI Switch 24
Cisco CAB-STACK-1M Catalyst StackWise 1M Stacking Cable
Cisco C3K-PWR-265WAC Power Sup.Catalyst 3750-E 3560-E
CISCO WS-C2960-24TT-L CATALYST 2960
Cisco Catalyst 3560-24PS Switch 24
Cisco Catalyst 2900 XL Switch 19″
Cisco Catalyst 3750-48TS Switch 48
CISCO Catalyst Express 520 -24 TT-K 9 Switch
Cisco Catalyst WS-C3550-48-SMI
CISCO Catalyst Express 500 -24 LC Switch -24LC
CISCO Catalyst Express 500-24 LC Switch 24LC
CISCO Catalyst 2960 -48 TC-S Switch -48TC-S
CISCO Catalyst 2960-48 TC-S Switch 48TC-S
Cisco Catalyst 3560E-24PD-S Switch WS-C3560E-24PD-?S PoE
Cisco Catalyst WS-C3560-24PS-S 3560 24×10/100 + 2xSFP
Cisco WS-X6K-SUP1A-2G?E Supervisor Karte Catalyst 6500
Cisco Catalyst 3750-24PS EMI Switch 24
Cisco CAB-STACK-1M Catalyst StackWise 1M Stacking Cable
Cisco C3K-PWR-265WAC Power Sup.Catalyst 3750-E 3560-E
CISCO WS-C2960-24TT-L CATALYST 2960
Cisco Catalyst 3560-24PS Switch 24
Cisco Catalyst 2900 XL Switch 19″
Cisco Catalyst 3750-48TS Switch 48
CISCO Catalyst Express 520 -24 TT-K 9 Switch
Cisco Catalyst WS-C3550-48-SMI
CISCO Catalyst Express 500 -24 LC Switch -24LC
CISCO Catalyst Express 500-24 LC Switch 24LC
CISCO Catalyst 2960 -48 TC-S Switch -48TC-S
CISCO Catalyst 2960-48 TC-S Switch 48TC-S
Cisco Catalyst 3560E-24PD-S Switch WS-C3560E-24PD-?S PoE