HP 295570-B21 RAID 1: breaking mirrors and rebuilding drives, 4th Edition - Page 4
Recombining a split mirrored array using the Array Configuration Utility, In the Select a Task panel
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To split a mirrored array using the ACU, complete the following steps: 1. Take the server offline. 2. Insert the CD or bootable USB drive that contains the ACU (typically SmartStart) into any available media drive. 3. Restart the operating system. 4. Select the HP ACU selection within the Maintenance Operation menu. 5. In the selection panel, select Array Configuration and Diagnostics. 6. In the Configuration drop down menu, select the applicable controller. 7. Highlight or select the desired logical drive. 8. In the Select a Task panel, click Split Mirrored Array. 9. Click OK. 10.When ACU has finished splitting the array, you will see both logical drives in the Maintenance Operation menu. 11.Shut down the system. 12.With power off, remove the physical drives that are included in one of the new arrays. IMPORTANT If you do not remove one of the arrays, the operating system will be unable to distinguish between the two new arrays after the operating system has been restarted (next step) because the arrays will be identical. 13.Restart the operating system. Recombining a split mirrored array using the Array Configuration Utility To re-mirror an array using ACU, complete the following steps: 1. Take the server offline. 2. Insert the CD or bootable USB drive that contains the ACU (typically SmartStart) into any available media drive. 3. Restart the operating system. 4. Select the HP ACU selection within the Maintenance Operation menu. 5. Select the drive controller that contains the array to be re-mirrored. 6. In the Configuration View panel, select the array to use as the source array in the recombined mirrored array. 7. In the Select a Task panel, click Re-Mirror Array. 8. Select the array that is to be mirrored to the source array. (This is usually the array that was previously split out of the original mirrored array. However, it can be another array of the correct size.)