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Home  > Data Recovery Using R-Studio > Volume Sets and RAIDs > Nested and Non-Standard RAID Levels  > RAID5EE

RAID5EE


RAID 5EE (where E stands for Enhanced) is a RAID 5 layout with an integrated hot-spare drive, where the spare drive is an active part of the block rotation scheme. An example of such RAID layout is in the table below:

 

A

B

C

D

1

1

2

SP

PD

2

4

SP

PD

3

3

SP

PD

5

6

4

PD

7

8

SP

where PD and SP stand for Parity of Data and Spare Part.

To create a RAID 5EE object

1 Click the Create Virtual RAID button and select Create Virtual Block RAID & Autodetect

or select the Create Virtual Block RAID & Autodetect on the Create menu

> A Virtual Block RAID object will appear in the Drives panel
2 Drag the required partitions from the Drives panel to the Parents tab

Click to expand/collapse Other ways to add objects

• Right-click the Parents tab and select the required partition from the shortcut menu ,

or

• Right-click the partition in the Drives panel, select Add to RAID on the shortcut menu, and select the RAID object you want to add the partition to.

3 Select RAID 5EE on the RAID type

You may either make R‑Studio to process your changes immediately or wait until you finish editing the RAID layout. Select or clear the Apply changes immediately checkbox on the Parents tab. Click the Apply button to apply the changes when are you through.

Note: Objects should be placed in the same order as they were in the original RAID 5EE. If this order is incorrect, you must change it by dragging the parents to place them in the correct order.

Object control buttons

Locate

Click this button to locate the selected object in the Drives panel.

Add Empty Space/​Add Missing Drive

Click this button to add an empty space or missing drive object to the RAID

Remove

Click this button to remove the selected object from the RAID

Move Up

Click this button to move up the selected object in the RAID

Move Down

Click this button to move down the selected object in the RAID

Synchronize Offsets

Click this button to make the offsets the same for all objects in the RAID

Reset changes

Click this button to return the configuration to the initial state (after clicking the Apply button or immediately after loading)

The RAID block size and Offset (in sectors) parameters must be set the same as for the original RAID 5EE.

You also need to specify Block order for virtual RAID 5EE You may select it on the Block order drop-down or shortcut menu.

If the those parameters are not correct, data on the parents will not be damaged, but files from the RAID 5EE cannot be recovered.

Note: You may check how correctly you have reconstructed the original RAID 5EE. Find a file and preview it. If the file appears correct, you have created a correct RAID 5EE layout.

> The RAID 5EE object can now be processed like regular drives/​volumes

If R‑Studio detects a valid file system on the newly created RAID object, a partition object will appear in the Drives panel.

The Description Files for RAID Configurations topic shows the RAID description file for this RAID configuration.

You also may check the RAID consistency, if necessary. See the Checking RAID Consistency help page for details.

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