Managing Red Hat Gluster Storage using the Web Console

1. Log in to the Web Console.
2. Click the hostname → Storage.
3. Click any drive under Drives. The Drive Overview page opens.

4. Click Create partition table.

   Figure 2.1. Drive Content

   

   The Format device window opens.

   1. Specify whether to Erase existing data completely by overwriting it with zeroes.
   2. Specify the Partitioning style to use.
   3. Click Format.

1. Log in to the Web Console.
2. Click the hostname → Storage.
3. Click any drive under Drives. The Drive Overview page opens.
4. Click the device under Content.

5. In the Filesystem subtab, click Format.

   The Filesystem subtab

   

   The Format Device window appears.

   1. Specify whether to Erase existing data completely by overwriting it with zeroes.
   2. Specify the file system Type to use.
   3. Specify a Name for the file system.

   4. Specify whether to use default or customized Mounting behavior.

      If you selected Custom, specify a Mount Point and check any Mount options you want this file system to use.

   5. Click Format.

1. Log in to the Web Console.
2. Click the hostname → Storage.

3. Click the + button beside RAID Devices.

   Figure 3.1. RAID Devices

   

   The Create RAID Device window opens.

   Figure 3.2. Create Raid Device window

   
   1. Specify a Name for your RAID device.

   2. Specify the RAID Level to use.

      Note

      Only RAID5 and RAID6 are supported for RHHI for Virtualization.

   3. Leave the Chunk Size as the default value.
   4. Check the Disks to use in creating the RAID device.
   5. Click Create.

1. Log in to the Web Console.
2. Click the hostname → Storage.

3. Click the + button beside VDO Devices. The Create VDO Device window opens.

   Figure 4.1. VDO Devices

   

   Figure 4.2. Create VDO Device window

   
   1. Specify a Name for the new VDO device.
   2. Specify the Disk to use for the new VDO device.
   3. Specify the Logical Size for the new VDO device.
   4. Specify the Index Memory size for the new VDO device.
   5. Check any Options you want the new VDO device to use.
   6. Click Create.

1. Log in to the Web Console.
2. Click the hostname → Storage. The Storage Dashboard page opens.
3. Under VDO Devices, click the VDO device. The VDO Device Overview page opens.

4. Click Grow.

   Figure 4.3. VDO device summary

   

   The Grow logical size of device window opens.

5. Drag the slider or enter a numeric value to set the new logical size of the VDO device, and click Grow.

1. Log in to the Web Console.
2. Click the hostname → Storage. The Storage Dashboard page opens.
3. Under VDO Devices, click the VDO device. The VDO Device Overview page opens.

4. Locate the Compression toggle.

   Figure 4.4. The Compression toggle

   
5. Click the Compression toggle under the device summary so that OFF is displayed.

1. Log in to the Web Console.
2. Click the hostname → Storage. The Storage Dashboard page opens.
3. Under VDO Devices, click the VDO device. The VDO Device Overview page opens.

4. Locate the Deduplication toggle.

   Figure 4.5. The Deduplication toggle

   
5. Click the Deduplication toggle under the device summary so that OFF is displayed.

Procedure

1. Log in to the Web Console.
2. Click the hostname → Storage. The Storage Dashboard page opens.
3. Under VDO Devices, click the VDO device. The VDO Device Overview page opens.

4. Click Stop.

   Figure 4.6. The VDO device

   

Procedure

1. Log in to the Web Console.
2. Click the hostname → Storage. The Storage Dashboard page opens.
3. Under VDO Devices, click the VDO device. The VDO Device Overview page opens.

4. Click Delete.

   Figure 4.7. The VDO device

   

1. Log in to the Web Console.
2. Click the hostname → Storage.

3. Click the + button beside Volume Groups.

   Figure 5.1. Volume Groups section

   

   The Create Volume Group window opens.

   1. Specify a Name for the volume group.
   2. Check the Disks to use for the volume group.
   3. Click Create.

1. Log in to the Web Console.
2. Click the hostname → Storage.
3. Click the volume group. The Volume Group Overview page opens.

4. Click the + button beside Physical Volumes.

   Figure 5.2. Physical Volumes

   

   The Add Disks window opens.

   1. Check the Disks you want to add to the volume group.
   2. Click Add.

1. Log in to the Web Console.
2. Click the hostname → Storage.
3. Click the volume group. The Volume Group Overview page opens.

4. Click Rename.

   Figure 5.3. Volume group summary

   

   The Rename Volume Group window opens. .. Specify a new Name. .. Click Rename.

1. Log in to the Web Console.
2. Click the hostname → Storage.
3. Click the volume group. The Volume Group Overview page opens.

4. In the Volume Group summary, click Delete.

   Figure 5.4. Volume group summary

   

   The confirmation window opens.

5. Click Delete to confirm deletion.

1. Log in to the Web Console.
2. Click the hostname → Storage.
3. Click the volume group. The Volume Group Overview page opens.

4. Click + Create new Logical Volume. The Create Logical Volume window opens.

   1. Specify a Name for your thin pool.
   2. Set Purpose to Pool for thinly provisioned volumes.
   3. Specify a Size for your thin pool.
   4. Click Create.

1. Log in to the Web Console.
2. Click the hostname → Storage.
3. Click the volume group. The Volume Group Overview page opens.
4. Click the thin pool.

5. On the Pool subtab, click Grow. The Grow Logical Volume window opens.

   1. Specify the new Size of the thin pool.
   2. Click Grow.

1. Log in to the Web Console.
2. Click the hostname → Storage.
3. Click the volume group. The Volume Group Overview page opens.
4. Click the thin pool.
5. Click Deactivate.

1. Log in to the Web Console.
2. Click the hostname → Storage.
3. Click the volume group. The Volume Group Overview page opens.
4. Click the thin pool.
5. Click Activate.

1. Log in to the Web Console.
2. Click the hostname → Storage.
3. Click the volume group. The Volume Group Overview page opens.
4. Click the logical volume.
5. Click Activate.

1. Log in to the Web Console.
2. Click the hostname → Storage.
3. Click the volume group. The Volume Group Overview page opens.

4. Click Create Thin Volume beside the thin pool that should host the volume.

   Figure 7.1. A thin pool

   

   The Create Thin Volume window opens.

   1. Specify a Name for the new volume.
   2. Specify a Size for the new volume.
   3. Click Create.

1. Log in to the Web Console.
2. Click the hostname → Storage.
3. Click the volume group. The Volume Group Overview page opens.

4. Click + Create new Logical Volume. The Create Logical Volume window opens.

   Figure 7.2. The Create Logical Volume window

   
   1. Specify a Name for your logical volume.
   2. Set Purpose to Block device for file systems.
   3. Specify a Size for your logical volume.
   4. Click Create.

1. Log in to the Web Console.
2. Click the hostname → Storage.
3. Click the volume group. The Volume Group Overview page opens.
4. Click the logical volume.

5. Click Deactivate.

   Figure 7.3. The logical volume summary

   

1. Log in to the Web Console.
2. Click the hostname → Storage.
3. Click the volume group. The Volume Group Overview page opens.
4. Click the logical volume.
5. Click Delete in the logical volume summary.
6. Click Delete to confirm deletion.

1. Log in to the Web Console.
2. Click the hostname → Storage.
3. Click the volume group. The Volume Group Overview page opens.
4. Click the logical volume.

5. On the Volume subtab, click Grow.

   Figure 7.4. Logical Volume section expanded

   

   The Grow Logical Volume window opens.

   Figure 7.5. The Grow Logical Volume window

   
   1. Specify the new Size of the logical volume.
   2. Click Grow.

1. Log in to the Web Console.
2. Click the hostname → Storage.
3. Click any volume group under Volume Group. The Volume Group Overview page opens.
4. Click the logical volume.

5. On the Filesystem subtab, click Format.

   Figure 8.1. The logical volume summary

   
   Note

   If this logical volume does not have an existing file system, this tab is labelled Unrecognised Data.

   1. Specify whether to Erase existing data completely by overwriting it with zeroes.
   2. Specify the file system Type to use.
   3. Specify a Name for the file system.

   4. Specify whether to use default or customized Mounting behavior.

      If you selected Custom, specify a Mount Point and check any Mount options you want this file system to use.

   5. Click Format.

1. Log in to the Web Console.
2. Click the hostname → Storage.
3. Click any volume group under Volume Group. The Volume Group Overview page opens.
4. Click the logical volume.

5. On the Filesystem subtab, click the value of Mount Point.

   Figure 8.2. The logical volume summary

   

   For this volume the mount point is /gluster_bricks/engine

   The Filesystem Mounting window opens.

   1. Specify a behaviour to use for Mounting.

      If you select Custom, specify a Mount Point and check any Mount Options you want to use.

   2. Click Apply.

1. Log in to the Web Console.
2. Click the hostname → Storage.
3. Click any volume group under Volume Group. The Volume Group Overview page opens.
4. Click the logical volume.
5. On the Filesystem subtab, click Mount.

1. Log in to the Web Console.
2. Click the hostname → Storage.
3. Click any volume group under Volume Group. The Volume Group Overview page opens.
4. Click the logical volume.

5. On the Filesystem subtab, click Unmount.

   Figure 8.3. The logical volume summary

   

1. Click Virtualization → Hosted Engine to reach the Hosted Engine dashboard.

   The Hosted Engine dashboard in the Web Console

   

2. Click Manage Gluster to reach the Gluster Management dashboard.

   The Gluster Management dashboard in the Web Console

   

Procedure

1. Log in to the Web Console.

2. Click Virtualization → Hosted Engine and then click Manage Gluster.

   

3. Click Expand volume button beside the volume you want to expand. The expand volume data page opens.

   

4. On the Hosts tab, verify the Host details and click Next.

5. On the Volumes tab, specify the details of the brick path to be configured for the new disk.

   

6. On the Bricks tab, specify the details of the disks to be used to expand the Gluster volume.

   

7. On the Review tab, check the generated file for any problems. Here, Enable debug logging, runs ansible-playbook in verbose mode, and provides more logs to add information. When you are satisfied, click Deploy.

   

Procedure

1. Create new bricks

   Create the bricks on the servers you want to expand your volume across by following the instructions in Creating bricks using ansible or Creating bricks above a VDO layer using ansible depending on your requirements.

   Important

   If the path: defined does not begin with /rhgs the bricks are not detected automatically by the Administration Portal. Synchronize the host storage after running the create_brick.yml playbook to synchronize the new bricks to the Administration Portal.

   1. Click Compute → Hosts and select the host.
   2. Click Storage Devices.
   3. Click Sync.

   Repeat for each host that has new bricks.

2. Add new bricks to the volume

   1. Log in to RHV Administration Console.
   2. Click Storage → Volumes and select the volume to expand.
   3. Click the Bricks tab.
   4. Click Add. The Add Bricks window opens.

   5. Add new bricks.

      1. Select the brick host from the Host dropdown menu.
      2. Select the brick to add from the Brick Directory dropdown menu and click Add.
   6. When all bricks are listed, click OK to add bricks to the volume.

Procedure

1. Log in to the Web Console.
2. Click Virtualization → Hosted Engine and then click Manage Gluster.

3. Click Expand Cluster. The Gluster Deployment window opens.

   1. On the Hosts tab, enter the FQDN or IP address of the new hyperconverged nodes and click Next.

      

   2. On the Volumes tab, specify the details of the volume you want to create.

      

   3. On the Bricks tab, specify the details of the disks to be used to create the Gluster volume.

      

   4. On the Review tab, check the generated file for any problems. When you are satisfied, click Deploy.

      

      Deployment takes some time to complete. The following screen appears when the cluster has been successfully expanded.

      

Procedure

1. Log in to the Web Console.
2. Click Virtualization → Hosted Engine and then click Manage Gluster.

3. Click Create Volume. The Create Volume window opens.

   1. On the Hosts tab, select three different hyperconverged hosts with unused disks and click Next.

      

   2. On the Volumes tab, specify the details of the volume you want to create and click Next.

      

   3. On the Bricks tab, specify the details of the disks to be used to create the volume and click Next.

      

   4. On the Review tab, check the generated configuration file for any incorrect information. When you are satisfied, click Deploy.

      

      The following screen is displayed when deployment completes successfully.