RAID 5 128K Sequential Read/Write
The 128K sequential speeds reflect the maximum sequential throughput of the HDD using a file size encountered in normal NAS usage.
The WD Reds take a huge hit in their sequential write performance in RAID 5; this is truly telling of the major performance differences between these two arrays. The Reds average only 106 MB/s, while the Se chugs along at a blistering 483 MB/s.
The read performance is again largely unaffected by RAID 5, with the Se's averaging 470 MB/s, and the Red array averaging 416 MB/s.
The Se's easily outperforms the Reds as we mix in heavier write workloads.
The Se delivers all of its I/O in a nice tight latency range.
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- Page 1 [Introduction]
- Page 2 [Test System and Methodology]
- Page 3 [RAID 0 4K Random Read/Write]
- Page 4 [RAID 0 128K Sequential Read/Write]
- Page 5 [RAID 0 Database/OLTP and Fileserver]
- Page 6 [RAID 0 Emailserver and Webserver]
- Page 7 [RAID 5 4K Random Read/Write]
- Page 8 [RAID 5 128K Sequential Read/Write]
- Page 9 [RAID 5 Database/OLTP and Fileserver]
- Page 10 [RAID 5 Emailserver and Webserver]
- Page 11 [Final Thoughts]
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