org.apache.hadoop.hdfs.server.common

接口

• HdfsConstants
• Storage.StorageDirType
• Upgradeable

类

• GenerationStamp
• Storage
• StorageInfo
• UpgradeManager
• UpgradeObject
• UpgradeObjectCollection
• UpgradeStatusReport
• Util

枚举

• HdfsConstants.NodeType
• HdfsConstants.StartupOption
• Storage.StorageState

异常错误

• InconsistentFSStateException
• IncorrectVersionException