RAID - Test of read and write by AS SSD Benchmark - 4k IOPS

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AS-SSD Benchmark provides an opportunity to check the value of IOPS (Input / Output Operations Per Second) which achieved the drives in the tests of sample 4K and 4K 64 Thread, which of course we decided to use. Charts are sorted by the results of the SSD. Furthermore were used the colors chart as shown in the following picture:

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The information in brackets at individual positions in the diagrams are divided into three groups:

• The status of the buffer read / status write buffer

• The number of disks in the array which were tested

• The size of the "stripe", which was set in the configuration

Available status of buffers in case the Adaptec 6405 can be divided into:

• Cache - Caching enabled

• Off - No caching

For both the reading and writing, you can independently set them, so are four combinations. In the case of RAID on the motherboard was available in three combinations:

• Ahead / Back - Reading the strips on the front and write caching

• Cache / Back - read caching and write caching

• Off / Off - No caching read and write

Tests on different numbers of disks and widths of stripe were performed for the caching configuration read and write, which for a given level of RAID ensures the overall best performance.

Please see hard drive recovery by InfoRecovery - server raid data recovery.

Last modified on Wednesday, 27 May 2015 13:45
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Viktor S., Ph.D. (Electrical/Computer Engineering), was hired by DataRecoup, the international data recovery corporation, in 2012. Promoted to Engineering Senior Manager in 2010 and then to his current position, as C.I.O. of DataRecoup, in 2014. Responsible for the management of critical, high-priority RAID data recovery cases and the application of his expert, comprehensive knowledge in database data retrieval. He is also responsible for planning and implementing SEO/SEM and other internet-based marketing strategies. Currently, Viktor S., Ph.D., is focusing on the further development and expansion of DataRecoup’s major internet marketing campaign for their already successful proprietary software application “Data Recovery for Windows” (an application which he developed).

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