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Old November 12, 2012, 06:36 PM
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BlueByte BlueByte is offline
Join Date: Feb 2011
Location: Maynooth
Posts: 542

Make sure your cache is setup with the following;

Write Policy: Write Back
Read Policy: Adaptive Read Ahead
Cache Policy: Direct I/O

If it that I would break your RAID and test with 3 drives at a time in RAID 5. While you are at it, do a full surface scan of your drives as you cycle through them. Might be a bad drive.
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