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Benchmark Results

RAID Scaling Charts, Part 1

Access Time

While a single HD321KJ has an average access time of over 14 ms, we achieved shorter access times due to the fact the only 80 GB out of the available 320 GB was used. However, protocol overhead and head positioning time were clearly significant, as the access time increases with the drive count. A maximum of 30 ms cannot be called quick anymore, but I/O performance isn’t affected by the poor average access time.

Interface Bandwidth

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  • 0 Hide
    HansVonOhain , May 11, 2010 12:03 AM
    Great Article, very informative.
  • 0 Hide
    Anonymous , February 18, 2012 3:43 PM
    pointless test no comparison between raid and single drive