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A-DATA S599 SSD RAID Report - SandForce SF-1200 x2 - Benchmarks - Crystal Disk Mark

By: Chris Ramseyer | RAID in Storage | Posted: May 6, 2010 2:34 pm



Version and / or Patch Used: 3.0 Technical Preview
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CrystalDiskMark is a disk benchmark software.


Key Features:-


* Sequential reads/writes
* Random 4KB/512KB reads/writes
* Text copy
* Change dialog design
* internationalization (i18n)


Note: Crystal Disk Mark 3.0 is not available to the public yet, but the Technical Preview does allow us to test 4K performance at queue depths of 4 and 32 in addition to 1. The current release Crystal Disk Mark only shows us QD 1.


Read Tests




CDM is shown quite early in our articles, but is one of the last tests we run. By the time we get to this test the drives have been beaten up pretty badly and if we are going to see any write speed issues after heavy use, this is where it will show up. In RAID 0 we did see this issue and even though after a little rest for TRIM to clean the drives up, we didn't have the issue at this point when testing with a single drive.


I can only assume that in my efforts to get the highest level of performance with the array I misjudged my alignment and in the final testing did not get the settings correct.


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