This task splits an array that consists of one or more RAID 1+0 logical drives into two identical new arrays consisting of RAID 0 logical drives. This feature is useful when you want to replicate a configuration, or when you want to build a backup before performing a risky operation. After completing a Split Mirror operation, you can perform a Re-Mirror Array operation to get back to a RAID 1+0 configuration.
- This task is only available for specific array controllers. Check array controller documentation for details.
- This task will only be available when the ACU is running from an offline CD boot environment. This task will not be available when running ACU from the operating system.
- An array can only be split if it has RAID 1+0 logical drives. You cannot split an array if it contains logical drives in RAID 0, RAID 5, or RAID 6 (ADG) configurations.
- Shutdown the server.
- Insert the CD that contains ACU into the CD-ROM drive and boot.
- Open ACU, and stay in Standard configuration mode (the default).
- Select the controller that contains the array that you want to split.
- In the Configuration View panel, select the array.
- In the Select a Task panel, click Split Mirrored Array.
- Click on Save to save the configuration.
- When the utility has finished splitting the array, remove the physical drives that constitute one of the new arrays and remove the array from ACU.
- Restart the server.
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