• Apple Final Cut Pro Legacy

  SATA drive array speeds

  Posted by Ken Pugh on February 2, 2006 at 4:45 pm

  I recently purchased four 250 Meg Lacie SATA drives with Lacie i/face cards for my G4 D125 (these have 16Meg buffers). Using Xbench I’ve had some surprising speed results. For 256K blocks (Sequential):

  A Single drive achieved 67 MB/sec Write 61 MB/sec Read

  Two drives in a RAID achieved 49 MB/sec Write 82 MB/sec Read

  Four drives in a RAID gave 59MB/sec Write 80MB/sec Read

  Anyone any idea why the RAID results are so low?

  I’m using the Apple RAID software –

  Thanks,

  Ken.

  Ken Pugh replied 20 years, 3 months ago 1 Member · 0 Replies
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