Gluster 3.1: What to Check First

If you are experiencing issues with your Gluster cluster, use the following procedure to check and troubleshoot your environment:

Access the cluster and issue the following command:

df –h

Verify that all the expected storage space is present.
Verify that you can ping all storage nodes.
Verify that your client network is up and that you can ping it.
Check the Gluster logs

For Gluster Filesystem, you can find the logs at /var/log/glusterfs. For Gluster Storage Platform, click the Logs tab in the Management Console. For more information, see Displaying a Log.
Confirm that you can create a file, write to the file, read from the file, and then delete the file.
Confirm that you can create a directory, populate the directory with files and then delete the files and the directory.
Check whether any of the nodes are not responding.