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Toshiba Q Series Pro 256GB RAID 0 SSD Report (Page 12)

Jon Coulter | Jan 16, 2014 at 08:00 am CST - 0 mins, 58 secs reading time for this page

Iometer

Version and / or Patch Used: 1.1.0

Product Homepage: http://www.iometer.org

Download here: http://sourceforge.net/projects/iometer

Iometer is an I/O subsystem measurement, and characterization tool, for single and clustered systems. It was originally developed by the Intel Corporation, and announced at the Intel Developers Forum (IDF) on February 17, 1998. Since then, it's become widespread within the storage industry.

We use Iometer to measure disk response times. Disk response times are measured at an industry accepted standard of 4K QD1 for both write, and read. Each test is run twice, for 30 seconds consecutively, with a five second ramp-up before each test. The drive/array is partitioned, and attached as a secondary device for this testing.

Write Response

Toshiba Q Series Pro 256GB RAID 0 SSD Report 35 | TweakTown.com

Read Response

Toshiba Q Series Pro 256GB RAID 0 SSD Report 36 | TweakTown.com

Average Disk Response

Toshiba Q Series Pro 256GB RAID 0 SSD Report 37 | TweakTown.com

Write response times benefit most from RAID 0 because of write caching. There is a slight latency increase in read response times for an array vs. a single drive. Lack of a DRAM buffer shows itself in this round of testing. Response times, while still good, are slower than the rest of the arrays on our chart.

Last updated: Jan 30, 2019 at 10:26 pm CST

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Jon Coulter

ABOUT THE AUTHOR - Jon Coulter

Jon became a computer enthusiast when Windows XP launched. He was into water cooling and benching ATI video cards with modded drivers. Jon has been building computers for others for more than 10 years. Jon became a storage enthusiast the day he first booted an Intel X25-M G1 80GB SSD. Look for Jon to bring consumer SSD reviews into the spotlight.

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