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RAID Performance Benchmark Tests

Many techies often extol the virtues of RAID 1 over RAID 5 and RAID 10 over all others.  While taking information from forums is a great source of learning, I needed to ‘see’ some figures for myself.  Luckily we had just taken delivery of a brand new Dell PowerEdge T320 with PERC H710 RAID Controller.  So before I prep it for delivery to the customer let’s get testing.

To test disk throughput I settled on CrystalDiskMark from http://crystalmark.info because I wanted an app that was lightweight, run from USB and reliable.

Next I needed a benchmark.  Numbers are meaningless to me unless I have something to compare them with.  So I chose my desktop PC for the benchmark.  My desktop PC is a HP elite business desktop with Hitachi HDS721010DLE630, 7,200 RPM, SATA/600, 1 TB Hard Disk.

Desktop PC – 1TB, SATA 7,200rpm

PC_benchmark

Great, now I have my benchmark I can set to work testing our swanky new server….

 

RAID 1 (2 x 1TB NL-SAS 7,200)

With Read Ahead and Write Back disabled

RAID_H710_NoReadWrite

With Read Ahead enabled, Write Back disabled

RAID_H710_ReadNoWrite

With Read Ahead AND Write Back enabled

RAID_H710_ReadWrite

 

RAID 5 (3 x 1TB NL-SAS 7,200)

With Read Ahead and Write Back disabled

RAID5_H710_NoReadWrite

 

RAID 10 (4 x 1TB NL-SAS 7,200)

With Read Ahead and Write Back disabled

RAID_10

With Read Ahead enabled, Write Back disabled

RAID_10ReadAhead

With Read Ahead AND Write Back enabled

RAID_10ReadAheadWriteBack

 

 

So, to summarise, RAID 10 really does have better performance!

 

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