If a drive is currently part of a redundant configuration and if the drive is displaying signs of failure, you can mark the drive as missing and start rebuilding data on that drive.
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Navigate to the Controller dashboard and select Arrays.
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Click an array name (for example, Array_1).
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Click the
icon that corresponds to an array to display its contents.
The virtual drives and physical drives associated with the selected array appear.
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Click the Physical Drive tab, and select a drive which you want to mark as missing.
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Select .
A confirmation dialog appears.
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Select Confirm and click Yes, Mark Drive Offline to proceed towards marking the drive offline.
The drive is marked as offline as shown in the following figure.
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Navigate to the Drives tab and expand the Configured Drives section to see the drives that are offline.
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Select a drive whose status is offline and go to .
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Navigate to the Drives tab.
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Select an Unconfigured Good drive from the list of Unconfigured Good drives, and go to .
The Replace Missing Drive dialog appears.
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Select the drive and click Replace Missing Drive.
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Navigate to the Arrays tab and select a new drive.
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Click .