8k Random Read/Write
Server workloads rely heavily upon 8k performance, and we include this as a standard with each evaluation. Many of our server workloads also test 8k performance with various mixed read/write workloads.
The average 8k random read speed of the Enterprise Performance 15K v4 is 531 IOPS at QD256, and the Savvio 15K.3 takes a slight lead with 535 IOPS. The Toshiba 15K comes in third with 522 IOPS at QD256.
The Enterprise Performance 15K v4 runs neck and neck with the previous-generation Savvio 15K.3.
The Enterprise Performance 15K v4 delivers a big win with random write activity again with an average of 502 IOPS at QD256, and the Savvio 15K.3 provides 430 IOPS. The Toshiba averages 479 IOPS.
The stellar write performance from the 15K v4 yields an excellent latency-to-IOPS ratio.
The Enterprise Performance 15K v4 leverages its healthy random write performance in mixed workloads to win this test.
Power consumption for the 15K v4 averages 8.2 watts.
The 15K v4 provides 59 IOPS-per-watt with 8k write activity, and 68 IOPS-per-watt during read activity.
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- Page 1 [Introduction]
- Page 2 [Enterprise Performance 15K HDD v4 Internals and Specifications]
- Page 3 [Test System and Methodology]
- Page 4 [Benchmarks - 4k Random Read/Write]
- Page 5 [Benchmarks - 8k Random Read/Write]
- Page 6 [Benchmarks - 128k Sequential Read/Write]
- Page 7 [Benchmarks - Database/OLTP and File Server]
- Page 8 [Benchmarks - Email Server]
- Page 9 [Final Thoughts]
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