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Home  > Data Recovery Using R-Studio > Volume Sets and RAIDs  > Finding RAID Parameters

Finding RAID Parameters


R‑Studio can find parameters for RAID 5 and 6. RAID parameters can be found automatically or manually.

The number of drives in the RAID should be between 3 and 32. RAID parameters can be found only when all original drives (or their images) are present. Even one substitute object in a RAID (like a missing drive) makes finding RAID parameters impossible.

To find RAID parameters automatically,

1 Click the Auto Detect button on the Parents tab
> R‑Studio will start searching for the RAID parameters and show the most probable one on the RAID Parameter Detection dialog box
Click to enlarge

 RAID Parameter Detection dialog box

2 Click the Apply button and R‑Studio will change the RAID layout to the selected one on the Parents tab.
3 Click the Apply button on the Parents tab
> R‑Studio will use the found parameters for the RAID.

If necessary, you may return to the RAID Parameter Detection dialog box by clicking the Choose Variants button, and select another RAID layout.

To find RAID parameters manually,

1 Click the drop-down Auto Detect list on the Parents tab and select Advanced Detection .
2 Specify the necessary detection parameters on the RAID Parameter Detection dialog box and click the Start detection button
Click to enlarge

Raid Parameters Detection dialog box

You may change the drive order, offset for drive(s), and enable/​disable drives.

Max offset:

The area on the drive to find RAID parameters in.

Offset search performance

RAID layouts search performance

Cumulative parameters that estimates the probability of certain found RAID parameters. Moving it to the right increases accuracy but slows the process. Moving it to the left reduces the accuracy but makes the process faster.

You may add your own RAID offsets. Right-click empty space in the Found offsets pane and select Add Custom offset on the shortcut menu and specify the offset individually for every drive.

3 Select an offset and click the Click here to find RAID Layouts button on the Raid Parameters Detection dialog box
Click to enlarge

RAID Parameters Detection dialog box

 

4 Select a RAID variant in the Found RAID layouts pane and click the Apply button
5 Click the Apply button on the Parents tab
> R‑Studio will use the found parameters for the RAID.

If necessary, you may return to the RAID Parameter Detection dialog box by clicking the Choose Variants button, and select another RAID layout.

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