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Seagate NAS and WD Red HDD DAS RAID Performance Analysis - RAID 0 Server Workloads

By: Paul Alcorn | HDDs in IT/Datacenter | Posted: Jan 20, 2014 9:31 pm

RAID 0 Database/OLTP




This test emulates Database and On-Line Transaction Processing (OLTP) workloads. OLTP is, in essence, the processing of transactions such as credit cards, and high frequency trading in the financial sector. Databases are the bread and butter of many deployments. These are demanding 8K random workloads with a 66% read and 33% write distribution, that can bring even the highest performing solutions down to earth.


The Red array leads with 555 IOPS at QD256, and the Seagate array averages 411 IOPS.



RAID 0 Fileserver




The File Server profile represents typical file server workloads that are very relevant to NAS usage. This profile tests a wide variety of different file sizes simultaneously, to simulate multiple users with an 80% read and 20% write distribution.


The WD Red leads again, with an impressive average of 689 IOPS at QD256, while the Seagate NAS HDD averages 500 IOPS.



RAID 0 Emailserver




The Emailserver profile is a very demanding 8K test with a 50% read and 50% write distribution. This application is indicative of the performance of the solution in heavy write workloads.


The Red array averages 580 IOPS, while the Seagate NAS HDD array averages 417 IOPS.



RAID 0 Webserver




The Webserver profile is a read-only test with a wide range of file sizes. Web servers are responsible for generating content for users to view over the internet, much like the very page you are reading. The speed of the underlying storage system has a massive impact on the speed and responsiveness of the NAS, and thus the end-user experience.


The WD Reds average 504 IOPS, while the Seagate NAS HDDs provide 382 IOPS at QD256.

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