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PowerEdge Raid Failure
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Job F020310A -- Date:Feb 3 2010-- Recovery Costs: $10,000.00

Server Dell PowerEdge 2800 Server, 3ware 9550SXU-8LP Raid Controller

Configuration: RAID 5 with 6 Western Digital WD1001FALS-00J7B1 sata drives

OS: Windows 2003 Enterprise Server

Failure: Degraded Array, 2 failed drives, Fire - Power failure.


  • step 1: Write down the raid 5 configuration from the bios setup.
  • Note the exact order of the Raid Elements
    Verify the stripe size
    Label each drive and take care to maintain the original order with the drive serial numbers

  • step 2: As Backup, duplicate each hard drive seperately.
  • We Recovered the most recently failed hard drive using our HD Cloning software
    We had to use the heads from the un-needed failed drive that had just a Controller malfunction, but good heads. It had failed a few days earlier and was going to be replaced when the 2nd hard drive failed (Head Pre-Amp failure)

  • step 3: After cloning, we replaced the most recently failed drive with a good drive that we changed the serial number to match the failed one.
  • step 4: We fired up the PowerEdge Server and forced the failed element back online.
  • step 5: The Server booted up normally with all the data intact.
  • step 6: We replaced the last failed hard drive and rebuilt the Raid Array.

 

Priority Weekend Service, the server was received on Saturday and returned to full service Monday morning before 9AM


Hard Drive Recovery Page


 


Acknowledgements