Data |
| Member name | Value | Description |
|---|---|---|
| None | 0 | The name server doesn't have any tasks for the data server to perform. |
| ReportBlocks | 1 | The name server wants the data server to send a full list of all its blocks. |
| DeleteBlocks | 2 | The name server wants the data server to delete certain blocks. |
| ReplicateBlock | 3 | The name server wants the data server to replicate a block to a different data server. |
| SendInitialData | 4 | The name server doesn't know this data server and needs an initial data heartbeat to verify the file system ID. |