PC-3000 Data Extractor. RAID Edition. How to extract data from RAID 10 in Data Extractor

Hi,

I would like today give you some brief description of real case where we recovered data from RAID 10 with LVM. I will provide corner stone of this process and pay attention to small tricks with RAID Edition.

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Customer has RAID array based on 4 disks. Seems like it’s RAID 10 but he is not sure. So we have added all member in Data Extractor task and apply them in constructor.

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Data Extractor allows to make life of data recovery engineer easier because of most part RAID cases can be solved by autodetection (but looks like nobody knows it).

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In this case it defines several configurations but due to metadata on drives is damaged some drives are not added in configurations.

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Most part of data is in 4th configuration, so we will woth with it.

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To correct a fault of autodetection we can apply Hitachi member in array manually and go to tree of files and folders.

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This looks like RAID 10 array, to this configuration Data Extractor RAID edition has powerful tool – 1E/Adjacent configuration. It helps us combine custom configuration.

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We have set all parameters and try to open file structure.

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We can find nothing. For these cases Data Extractor has special Alladin’s lump – Quick disk analysis.

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It will find anything and better that NSA.

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Final step is check this file structure and files in this structure (all headers are OK).

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Save RAID configuration and enjoy results (don’t forget to make out a bill for data recovery from RAID).

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P.S. This case has several bottlenecks where tech support assistance is needed. For other cases there is autodetection 🙂

More reading:

Virtual mechine cookbook 

Where is my data? Or Solution for LaCie Big 4 Quadra Raid 5 case

GoogleMaps what is next?

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2 Responses to PC-3000 Data Extractor. RAID Edition. How to extract data from RAID 10 in Data Extractor

  1. 300ddr says:

    Don’t really understand what the RAID-1/E Adjacent means/does. Can you explain any further?

    • ACELab team says:

      Dear Brian,

      In a word, it’s mode for sumilation of RAID 10 array. It’s combination of mirror (RAID 1) and stripe (RAID 0).

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