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Chapter 3. Automatic File Replication Translator

3.1. Automatic File Replication Translator

The Automatic File Replication (AFR) translator in glusterFS makes use of the extended attributes to keep track of the file operations.

Automatic File Replication Translator Error Scenarios

108001
Description: The file modification operations are not allowed because the client quorum is not met. A few brick processes are either offline or not visible from the client.
Recommended Action: Ensure that the bricks are online and the packet traffic in the network is not blocked.
108002
Description: The bricks that were earlier offline are now online and the client quorum is restored.
Recommended Action: Identify the reason for the bricks to go offline in the brick and mount log files.
108003
Description: Information message: The quorum-count option is no longer valid because the client quorum-type was set to auto.
Recommended Action: None.
108004
Description: Replication subvolume received a connection notification from a brick that does not belong to the replica set.
Recommended Action: None.
108005
Description: A replica set that was earlier inaccessible because all its bricks were offline. It is now accessible because at least one of the bricks came back online.
Recommended Action: Identify the reason for the brick to go offline in the brick and mount log files.
108006
Description: All the bricks of a replica set are down.The data residing in that replica cannot be accessed until one of the bricks in the replica set is online.
Recommended Action: Ensure that the bricks are brought back online.
108007
Description: Entry unlocks failed on a brick.
Recommended Action:
  1. Identify the reason for the failure in the client log files. The error number indicates the reason for failure.
  2. Examine the brick log files for more information.
108008
Description: Inconsistency is noticed in either the data or metadata or GFID of the file amongst the bricks of a replica set.
Recommended Action:
  1. Clear the AFR changelog attributes from the appropriate brick to resolve the split brain issue.
  2. Execute the command gluster volume heal <VOLNAME>
    To resolve split brain issues, see section Managing Split-brain in the Red Hat Storage Administration Guide.
108009
Description: Either the open() or opendir() call failed on the brick.
Recommended Action:
  1. Identify the reason for the failure in the client log files. The error number indicates the reason for failure.
  2. Examine the brick log files for more information.