8.2. Using Red Hat Gluster Storage as a Storage Domain

Procedure 8.3. Adding a Red Hat Gluster Storage Volume as a Storage Domain

1. Click the Storage resource tab to list the existing storage domains in the results list.
2. Click New Domain to open the New Domain window.
   

   Figure 8.1. Red Hat Gluster Storage

3. Enter the Name for the storage domain.
4. Select the Data Center to be associated with the storage domain.
5. Select Data from the Domain Function drop-down list.
6. Select GlusterFS from the Storage Type drop-down list.
7. Select a host from the Use Host drop-down list. Only hosts within the selected data center will be listed. To mount the volume, the host that you select must have the glusterfs and glusterfs-fuse packages installed.
8. In the Path field, enter the IP address or FQDN of the Red Hat Gluster Storage server and the volume name separated by a colon.
9. Enter additional Mount Options, as you would normally provide them to the mount command using the -o argument. The mount options should be provided in a comma-separated list. See man mount for a list of valid mount options.
10. Optionally, you can configure the advanced parameters.
    1. Click Advanced Parameters.
    2. Enter a percentage value into the Warning Low Space Indicator field. If the free space available on the storage domain is below this percentage, warning messages are displayed to the user and logged.
    3. Enter a GB value into the Critical Space Action Blocker field. If the free space available on the storage domain is below this value, error messages are displayed to the user and logged, and any new action that consumes space, even temporarily, will be blocked.
    4. Select the Wipe After Delete check box to enable the wipe after delete option. This option can be edited after the domain is created, but doing so will not change the wipe after delete property of disks that already exist.
11. Click OK to mount the volume as a storage domain and close the window.

Procedure 8.4. Creating A Storage Volume

1. Click the Volumes resource tab to list existing volumes in the results list.
2. Click New to open the New Volume window.
3. Use the drop-down menus to select the Data Center and Volume Cluster.
4. Enter the Name of the volume.
5. Use the drop-down menu to select the Type of the volume.
6. If active, select the appropriate Transport Type check box.
7. Click the Add Bricks button to select bricks to add to the volume. Bricks must be created externally on the Red Hat Gluster Storage nodes.
8. If active, use the Gluster, NFS, and CIFS check boxes to select the appropriate access protocols used for the volume.
9. Enter the volume access control as a comma-separated list of IP addresses or hostnames in the Allow Access From field.
   You can use the * wildcard to specify ranges of IP addresses or hostnames.
10. Select the Optimize for Virt Store option to set the parameters to optimize your volume for virtual machine storage. Select this if you intend to use this volume as a storage domain.
11. Click OK to create the volume. The new volume is added and displays on the Volume tab.

Procedure 8.5. Adding Bricks to a Volume

1. On the Volumes tab on the navigation pane, select the volume to which you want to add bricks.
2. Click the Bricks tab from the Details pane.
3. Click Add Bricks to open the Add Bricks window.
4. Use the Server drop-down menu to select the server on which the brick resides.
5. Enter the path of the Brick Directory. The directory must already exist.
6. Click Add. The brick appears in the list of bricks in the volume, with server addresses and brick directory names.
7. Click OK.

Procedure 8.6. Starting Volumes

1. In the Volumes tab, select the volume to be started.
   You can select multiple volumes to start by using Shift or Ctrl key.
2. Click the Start button.

Procedure 8.7. Tuning Volumes

1. Click the Volumes tab.
   A list of volumes displays.
2. Select the volume that you want to tune, and click the Volume Options tab from the Details pane.
   The Volume Options tab displays a list of options set for the volume.
3. Click Add to set an option. The Add Option dialog box displays. Select the Option Key from the drop down list and enter the option value.
4. Click OK.
   The option is set and displays in the Volume Options tab.

Procedure 8.8. Editing Volume Options

1. Click the Volumes tab.
   A list of volumes displays.
2. Select the volume that you want to edit, and click the Volume Options tab from the Details pane.
   The Volume Options tab displays a list of options set for the volume.
3. Select the option you want to edit. Click Edit. The Edit Option dialog box displays. Enter a new value for the option.
4. Click OK.
   The edited option displays in the Volume Options tab.

1. Click the Volumes tab.
   A list of volumes displays.
2. Select the volume and click the Volume Options tab from the Details pane.
   The Volume Options tab displays a list of options set for the volume.
3. Select the option you want to reset. Click Reset. A dialog box displays, prompting to confirm the reset option.
4. Click OK.
   The selected option is reset.

Procedure 8.9. Removing Bricks from a Volume

1. On the Volumes tab on the navigation pane, select the volume from which you wish to remove bricks.
2. Click the Bricks tab from the Details pane.
3. Select the bricks you wish to remove. Click Remove Bricks.
4. A window opens, prompting to confirm the deletion. Click OK to confirm.

Procedure 8.10. Stopping Volumes

1. In the Volumes tab, select the volume to be stopped.
   You can select multiple volumes to stop by using Shift or Ctrl key.
2. Click Stop.

1. In the Volumes tab, select the volume to be deleted.
2. Click Remove. A dialog box displays, prompting to confirm the deletion. Click OK.

Procedure 8.11. Rebalancing a Volume

1. Click the Volumes tab.
   A list of volumes displays.
2. Select the volume to rebalance.
3. Click Rebalance.