RAID - Test of read and write by Crystal Disk Mark 3.0.1b - Sequence

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Crystal Disk Mark 3.0.1b is another popular benchmark next to AS SSD, which, as rumour has it, can make troubles for SSD drives built on controllers SandForce. This follows from the fact that the application generates random data, are not amenable to simple compression, where counts only the actual performance - any "miracles" do not help here. Crystal Disk Mark 3.0.1b allows you to perform a series of tests. We start measurements from a sequential read and write. Charts are sorted by the results of the SSD. Furthermore were used the colors chart as shown in the following picture:

Data Retrieval in New Orleans - raid 5 recovery data

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.

If you need help in RAID data recovery you can use the Data Retrieval service.

Last modified on Wednesday, 27 May 2015 14:35
Data Recovery Expert

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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