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Expand Up @@ -75,7 +75,7 @@ For more information, see [High availability](https://en.oceanbase.com/docs/comm

The O&M of an OceanBase cluster is implemented by modifying the cluster resources in Kubernetes. The current implementation logic is to deliver the cluster resource modifications to target resources.

![Cluster information](/img/user_manual/quick_starts/en-US/chapter_05_operation_and_maintenance/03_o_m_by_ob-operator/001.png)
![Cluster information](5.3.png)

### Create a tenant

Expand Down Expand Up @@ -134,7 +134,7 @@ spec:

The following figure shows the GUI provided by Dashboard for creating a tenant.

![Create a tenant](/img/user_manual/quick_starts/en-US/chapter_05_operation_and_maintenance/03_o_m_by_ob-operator/002.png)
![Create a tenant](5.4.png)

### Modify the resource specifications for a tenant

Expand Down Expand Up @@ -185,9 +185,9 @@ spec:

The following figures show the GUI provided by Dashboard for modifying the resource specifications for a tenant.

![Modify tenant resources](/img/user_manual/quick_starts/en-US/chapter_05_operation_and_maintenance/03_o_m_by_ob-operator/003.png)
![Modify tenant resources](5.5.png)

![Modify tenant resources](/img/user_manual/quick_starts/en-US/chapter_05_operation_and_maintenance/03_o_m_by_ob-operator/004.png)
![Modify tenant resources](5.6.png)

### Back up data

Expand Down Expand Up @@ -236,7 +236,7 @@ Take note of the following considerations:

The following figure shows the GUI provided by Dashboard for creating a backup strategy.

![Create a backup strategy](/img/user_manual/quick_starts/en-US/chapter_05_operation_and_maintenance/03_o_m_by_ob-operator/005.png)
![Create a backup strategy](5.7.png)

### Restore data

Expand Down Expand Up @@ -329,7 +329,7 @@ Take note of the following considerations:

The following figure shows the GUI provided by Dashboard for adding a zone.

![Add a zone](/img/user_manual/quick_starts/en-US/chapter_05_operation_and_maintenance/03_o_m_by_ob-operator/006.png)
![Add a zone](5.8.png)

#### Scale up a cluster

Expand All @@ -351,7 +351,7 @@ Take note of the following considerations:

The following figure shows the GUI provided by Dashboard for adding OBServer nodes to a zone.

![Scale-up](/img/user_manual/quick_starts/en-US/chapter_05_operation_and_maintenance/03_o_m_by_ob-operator/007.png)
![Scale-up](5.9.png)

### Scale in or scale down a cluster

Expand Down Expand Up @@ -385,7 +385,7 @@ Take note of the following considerations:

The following figure shows the GUI provided by Dashboard for deleting OBServer nodes from a zone.

![Scale-down](/img/user_manual/quick_starts/en-US/chapter_05_operation_and_maintenance/03_o_m_by_ob-operator/008.png)
![Scale-down](5.9.png)

### Upgrade a cluster

Expand All @@ -401,4 +401,4 @@ Take note of the following considerations:

The following figure shows the GUI provided by Dashboard for upgrading a cluster.

![Upgrade](/img/user_manual/quick_starts/en-US/chapter_05_operation_and_maintenance/03_o_m_by_ob-operator/009.png)
![Upgrade](5.10.png)