How do you rebalance gluster?
Rebalancing Volume to Fix Layout and Migrate Data
- Start the rebalance operation on any one of the server using the following command: # gluster volume rebalance start.
- Start the migration operation forcefully on any one of the servers using the following command: # gluster volume rebalance start force.
How can I check my GlusterFS status?
To verify a GlusterFS cluster status: Log in to the Salt Master node. If any of the above commands fail, refer to the GlusterFS official documentation to troubleshoot the required services. Verify the GlusterFS volumes status as described in Verify the GlusterFS volumes status.
How do you remove gluster from bricks?
To shrink a volume
- Remove the brick using the following command:
- View the status of the remove brick operation using the following command:
- Once the status displays “completed”, commit the remove-brick operation # gluster volume remove-brick commit.
How can I increase my gluster volume?
To expand a volume:
- Prepare the new node with the same configuration and storage as all existing nodes in the Gluster trusted storage pool.
- Add the node to the pool.
- Add the brick(s), for example: $ gluster volume add-brick myvolume node4:/data/glusterfs/myvolume/mybrick/brick.
How do you measure gluster volume?
8.243. Please check log file for details. Inspect the GlusterFS server logs for volumes at /var/log/glusterfs/bricks/srv-glusterfs->. log on the kvm nodes.
What is gluster self heal?
Gluster Self Heal helps to heal data on the gluster bricks when there are some inconsistencies among the replica pairs in the volume. Pro-active self-heal daemon runs in the background, diagnoses issues and automatically initiates self-healing every 10 minutes on the files which require healing.
How do you troubleshoot GlusterFS?
Troubleshooting issues with gluster storage
- You can check that the glusterd service is running on all the nodes.
- Check that the ports required by Gluster are open for communication between the nodes of the cluster.
- If none of the above works, check the glusterd logs in /var/log/glusterfs/glusterd.log.
How do I remove gluster peers?
Gluster:Unable to remove the peer from cluster
- Step1: Check peer status. The below command will list all available peers.
- Step2: Execute the detach command to remove.
- Step1: Remove the UUID’s.
- Step2: Restart the service.
- Step3: Execute peer status.
What is a brick in gluster?
Brick : A Brick is the basic unit of storage in GlusterFS, represented by an export directory on a server in the trusted storage pool.
How do I remove GlusterFS?
Complete these steps to uninstall GlusterFS.
- Delete the Helm chart. helm delete –purge –tls.
- Remove the Heketi and Gluster daemon configuration directories from each storage node. rm -rf /var/lib/heketi rm -rf /var/lib/glusterd rm -rf /var/log/glusterfs.
- Disable GlusterFS.
How do I restart GlusterFS?
Starting and Stopping glusterd Manually
- To start glusterd manually, enter the following command: # /etc/init.d/glusterd start.
- To stop glusterd manually, enter the following command: # /etc/init.d/glusterd stop.
How do you remove a node from gluster?
Resolution
- If there is Geo-replication configured, Stop the geo-replication session. # gluster volume geo-replication MASTER_VOL SLAVE_HOST::SLAVE_VOL stop.
- Gracefully remove all the bricks from the node , which is planned to remove.
- Detach the peer from the cluster.
- Start the Geo-replication session.