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<h1>Logical device is blocked: controller [number], controller [number] [number]</h1>
<h2>Explanation:</h2>
<p>When the controller performs a
rebuild operation on an pool, it reconstructs the data that was stored in RAID
level-1 and RAID level-5 logical devices. However, the controller cannot
reconstruct the data that was stored in any RAID level-0 logical devices in that
pool. The data in the RAID level-0 logical devices is blocked when the controller detects that the pool is valid, but the data might be damaged.
<h2>Action:</h2>
<p>Restore the data from tape.</p>

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