| Package | Description | 
|---|---|
| org.apache.hadoop.hdfs.server.datanode.checker | Datanode support for running disk checks. | 
| Modifier and Type | Method and Description | 
|---|---|
| boolean | DatasetVolumeChecker. checkVolume(FsVolumeSpi volume,
           DatasetVolumeChecker.Callback callback)Check a single volume asynchronously, returning a  ListenableFuturethat can be used to retrieve the final result. | 
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