PC-3000 DE. Data Extractor RAID Edition. How to find RAID configuration based on user files in Data Extractor RAID Edition

For some complex RAID cases ata Extractor RAID Edition has feature which allows to determine RAID configuration based on user files.Zip

Theory and methodology.
Let’s look into .zip files. They contain two types of data:
– zip metadata (structures which describe archive content, file names, size etc.)
– compressed files stored in archive.

Zip metadata are attractive to define RAID configuration:
– we can find them based on specific signature (0x504B0304)
– structures have simple periodical pattern.

We can say that metadata are control points to find out the file integrity. Similar points are for files of another types.

There is procedure how to build a RAID configuration based on user files:
1. Define some blocks on matrix and launch raw recovery on these blocks
pic1
2. Export found corrupted files in virtual file system
pic2
3. Go back to RAID constructor and select one file
pic3
4. Come to Structure tab and try to set up control points for this file
pic4
5. Check each possible blocks and select most compatible one
pic5
6. Repeat this previous step for other control points and maybe other files
7. We have found correct matrix for this RAID and can save it

pic6
8. Sure, we have to check that file structure is available
pic7

Please see detailed procedure on video:

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2 Responses to PC-3000 DE. Data Extractor RAID Edition. How to find RAID configuration based on user files in Data Extractor RAID Edition

  1. Laurie says:

    This is great information, thank you for sharing!

  2. Jordan says:

    Thanks for sharing this how-to! It’s good to know how to extract data this way.

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