Lenovo ThinkServer RD240 MegaRAID SAS Software User Guide - Page 332
Making a Drive Offline or Missing, Restart the MegaRAID Storage Manager software.
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You can monitor the progress of the rebuild in the Group Show Progress window by selecting Group Operations->Show Progress. If the drive cannot be rebuilt, an error message appears. Continue with the next step. 3. Shut down the system, disconnect the power cord, and open the computer case. 4. Replace the failed drive with a new drive of equal capacity. 5. Close the computer case, reconnect the power cord, and restart the computer. 6. Restart the MegaRAID Storage Manager software. When the new drive spins up, the drive icon changes back to normal status, and the rebuild process begins automatically. You can monitor the progress of the rebuild in the Group Show Progress window by selecting Group Operations->Show Progress. 10.5 Making a Drive Offline or Missing If a drive is currently part of a redundant configuration and you want to use it in another configuration, you can use MegaRAID Storage Manager commands to remove the drive from the first configuration. When you do this, all data on that drive is lost. To remove the drive from the configuration without harming the data on the virtual drive, follow these steps: 1. In the left panel of the MegaRAID Storage Manager window, rightclick the icon of a drive in a redundant virtual drive. 2. Select Make drive offline from the pop-up menu. The drive status changes to Offline. 3. Right-click the drive icon again, and select Mark physical disk as missing. 4. Select File->Rescan. The drive status changes to Unconfigured Good. At this point, the data on this drive is no longer valid. 5. If necessary, create a hot spare drive for the virtual drive from which you have removed the drive. (See Section 8.3, "Adding Hot Spare Drives.") 10-4 Maintaining and Managing Storage Configurations
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