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    Recovering files from Raid 0

    Discussion in 'Hardware Components and Aftermarket Upgrades' started by Bizarostormy, Nov 1, 2009.

  1. Bizarostormy

    Bizarostormy Notebook Enthusiast

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    Recently my laptop's video card has failed and there is no quick way to replace it, I am left to try and extract all my files from the HDD's and put them onto a desktop. With some advice from various people and from Slammin in the m1730 forums I bought an enclosure for the HDD's and an external HD to place the files. I follow the instructions and when I try to access the drives off of My Computer it asks me to reformat. I have been told that considering that I have Raid 0 HD's that I may have lost all of my memory but if anyone has info pointing otherwise it would be much appreciated. If you need any more info feel free to ask.
     
  2. Greg

    Greg Notebook Nobel Laureate

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    To get any data from a RAID0 array you pretty much have to access the array using a compatible RAID controller. If you had an Intel RAID controller you can pretty much plug both drives into any computer that has Intel RAID and it will work, for instance. Other RAID controllers are not so friendly, even controllers manufactured by the same company, so you might need to ask the company what other RAID controllers might be able to read the array.

    You might be able to use a RAID recovery tool, something like this might help. But I have no idea if it will actually work.

    This is why people need to start backing up their data... :mad:
     
  3. K-TRON

    K-TRON Hi, I'm Jimmy Diesel ^_^

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    The only way you will be able to recover your data short of a data specialist, is to install both of your drives into a functional laptop. If your M1730 died, than you will need to borrow a working M1730 from a friend, to copy the data on your harddrives off.

    K-TRON
     
  4. Gophn

    Gophn NBR Resident Assistant

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    I believe the M1730 is using a ICH8-M controller.

    you can either borrow someones else's M1730 to recover your files

    or use a Intel 965 desktop system with ICH8 and setup your HDDs to that controller.... it should work.
     
  5. Greg

    Greg Notebook Nobel Laureate

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    You might be able to plug the drives into any Intel controller than, without trouble. I know I was able to plug in my ICH9R born RAID1 array into a ICH10R without any fuss...
     
  6. Gophn

    Gophn NBR Resident Assistant

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    I'll agree with Greg's suggestion.

    connect it to a newer Intel RAID controller and it should be fine.
     
  7. newsposter

    newsposter Notebook Virtuoso

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    For future reference, Raid0 really means NoRaidAtAll
     
  8. Gophn

    Gophn NBR Resident Assistant

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    is that a joke? ... or are you serious?

    if you are serious, then you are mistaken.

    read this:
    http://en.wikipedia.org/wiki/Standard_RAID_levels

    RAID-0 is known as striped set.... splits data evenly across two or more disks (striped) with no parity information for redundancy... usually done for a gain in HDD performance.

    RAID-1 is known as mirrored set.... creates an exact copy (or mirror) of a set of data on two or more disks... very useful for creating a reliable redundancy of data.

    Then you have:
    - RAID-0+1 / RAID-10
    - RAID-2
    - RAID-3
    - RAID-4
    - RAID-5
    ... etc...

    "No RAID" is usually in a standard ATA/SATA/AHCI mode ... in notebooks.
     
  9. newsposter

    newsposter Notebook Virtuoso

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    quite serious

    Lose a physical disk on a 'raid0' volume and you've lost everything.

    The R in Raid is supposed to mean redundant. In Raid0 it isn't/doesn't. Raid0 was 'invented' well after the canonical Raid definitions were set so that marketeers a place to talk about stripped disk sets

    And as long as we're cherry picking wikiquotes;

    "RAID 0 is also used in some gaming systems where performance is desired and data integrity is not very important."

    In particular, read the Raid0 failure rate section. It's very simplistic but gets the idea across. For any given two disk Raid0 array, there is a nearly 10% chance of Raid set failure with complete data loss in an 18 month period.
     
  10. fizzyfanta

    fizzyfanta Notebook Guru

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  11. Gophn

    Gophn NBR Resident Assistant

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    I get what you mean now. :)

    a play on the acronym... nice.

    it should be<strike> R </strike>A I D-0 ... LOL.