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The Rules of RAID

Author Leo Waldock
Published 21st Oct 2005
The Rules of RAID
Discuss this article  1 comment    Email this to a friend  Email this to a friend TrustedReviews NewslettersTrustedReviews Newsletters

nForce 4 Intel Integrated
RAID configurationNominal capacityFormatted CapacityHD Tach 3 (Av. Read)HD Tach 3 (Av. Write)HD Tach 3 Burst Speed4GB Write4GB ReadPCMark05 OverallPCMark05 HDD test
No RAID1400GB373GB60.4MB/sec45.1MB/sec135.3MB/sec2mins 29secs2mins 11secs4,5535,360
Striping2800GB745GB95.1MB/sec89.9MB/sec199.0MB/sec2mins 18secs2mins 16secs4,6616,868
Mirroring2400GB373GB59.7MB/sec58.9MB/sec134.3MB/sec2mins 35secs2mins 24secs4,4734,610
RAID 53800GB745GB61.9MB/sec4.6MB/sec240.0MB/sec15mins 34secs3mins 10secs4,2052,131

Intel ICH7R Integrated
RAID configurationNominal capacityFormatted CapacityHD Tach 3 (Av. Read)HD Tach 3 (Av. Write)HD Tach 3 Burst Speed4GB Write4GB ReadPCMark05 OverallPCMark05 HDD test
No RAID1400GB373GB60.1MB/sec45.7MB/sec131.4MB/sec3mins 21secs2mins 52 secs3,7234,994
Striping2800GB745GB87.3MB/sec90.7MB/sec214.5MB/sec2mins 34secs3mins 3secs3,8956,460
Mirroring2400GB373GB60.3MB/sec54.9MB/sec127.8MB/sec2mins 45secs3mins 7secs3,8335,685
RAID 53800GB745GB62.1MB/sec16.0MB/sec176.1MB/sec7mins 34secs3mins 15secs3,6363,261

Promise Controller PCIAreca ARC1220
RAID configurationRAID configurationNominal capacityNominal capacityFormatted CapacityFormatted CapacityHD Tach 3 (Av. Read)HD Tach 3 (Av. Read)HD Tach 3 (Av. Write)
HD Tach 3 (Av. Write)HD Tach 3 Burst SpeedHD Tach 3 Burst Speed4GB Write4GB Write4GB Read4GB ReadPCMark05 OverallPCMark05 OverallPCMark05 HDD testPCMark05 HDD test
StripingStriping22800GB800GB745GB745GB104.4MB/sec88.1MB/sec42.1MB/sec
99.9MB/sec118.0MB/sec192.1MB/sec2mins 39secs2mins 12secs2mins 1sec2mins 20secs4,6714,9885,2307,360
MirroringMirroring22400GB400GB373GB373GB25.2MB/sec59.0MB/sec36.5MB/sec
74.1MB/sec117.1MB/sec196.1MB/sec3mins 14secs2mins 14secs3mins 39secs2mins 36secs4,3284,9644,0056,452
RAID 5RAID 533800GB800GB745GB745GB101.1MB/sec66.7MB/sec12.1MB/sec
126.4MB/sec118.3MB/sec192.3MB/sec7mins 31secs2mins 22secs2mins 5secs2mins 58secs4,4154,9433,0646,866
Striping82,000GB1,863GB168.8MB/sec
129.1MB/sec192.2MB/sec1min 51secs1min 56secs5,1659,190

Areca ARC1220
RAID configurationNominal capacityFormatted CapacityHD Tach 3 (Av. Read)HD Tach 3 (Av. Write)HD Tach 3 Burst Speed4GB Write4GB ReadPCMark05 OverallPCMark05 HDD test
Striping2800GB745GB88.1MB/sec99.9MB/sec192.1MB/sec2mins 12secs2mins 20secs4,9887,360
Mirroring2400GB373GB59.0MB/sec74.1MB/sec196.1MB/sec2mins 14secs2mins 36secs4,9646,452
RAID 53800GB745GB66.7MB/sec126.4MB/sec192.3MB/sec2mins 22secs2mins 58secs4,9436,866
Striping82,000GB1,863GB168.8MB/sec129.1MB/sec192.2MB/sec1min 51secs1min 56secs5,1659,190

nForce 4 SLI Integrated
RAID configurationNominal capacityFormatted CapacityHD Tach 3 (Av. Read)HD Tach 3 (Av. Write)HD Tach 3 Burst Speed4GB Write4GB ReadPCMark05 OverallPCMark05 HDD test
Striping2800GB745GB95.8MB/sec81.6MB/sec207.8MB/sec2mins 9secs2mins 5secs4,2386,904
Mirroring2400GB373GB58.7MB/sec54.8MB/sec134.1MB/sec2mins 18secs2mins 26secs4,0734,579

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Comment warner recabaren said on 15th July 2008

A vital part of Raid 5 protection is the ability to detect write errors- not just failed hard drives. The Nvidea chipset failed me in this respect. Nvidea's chipset should onl... more

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