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RAID 6E (where E stands for Enhanced) is a RAID 6 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 |
E |
F |
1 |
RS |
1 |
2 |
3 |
4 |
PD |
2 |
5 |
6 |
7 |
8 |
PD |
RS |
3 |
10 |
11 |
12 |
PD |
RS |
9 |
4 |
15 |
16 |
PD |
RS |
13 |
14 |
5 |
20 |
PD |
RS |
17 |
18 |
19 |
6 |
PD |
RS |
21 |
22 |
23 |
24 |
7 |
SP |
SP |
SP |
SP |
SP |
SP |
where RS, PD and SP stand for Reed-Solomon, Parity of Data, and Spare Part, respectively.
To create a RAID 6E object
1 | Click the Create Virtual RAID button and select Create Virtual Block RAID |
or select the Create Virtual Block RAID on the Create menu
> | A Virtual Block RAID object will appear on the Drives panel |
• Right-click the Parents tab and select the required partition from the context menu , or • Right-click the partition on the Drives panel, select Add to RAID on the context menu, and select the RAID object you want to add the partition to. |
3 | Select RAID 6E on the RAID type |
You may either make R‑Studio for Linux 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 6E. If this order is incorrect, you must change it by dragging the parents to place them in the correct order.
Locate |
Click this button to locate the selected object in the Drives panel. |
Add Empty Space/Add Missing Disk |
Click this button to add an empty space or missing disk 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 6E.
You also need to specify Block order for virtual RAID 6E You may select it on the Block order drop-down or context menu.
If the those parameters are not correct, data on the parents will not be damaged, but files from the RAID 6E cannot be recovered.
Note: You may check how correctly you have reconstructed the original RAID 6E. Find a file and preview it. If the file appears correct, you have created a correct RAID 6E layout.
> | The RAID 6E object can now be processed like regular drives/volumes |
If R‑Studio for Linux detects a valid file system on the newly created RAID object, a partition object will appear on 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.