Applicable Products
- QuTS hero h5.3.0 or later
- High Availability Manager
Scenario
In a high-availability (HA) cluster, if either the active or passive node fails or needs a hardware upgrade, the node can be replaced by migrating its disks to a new NAS. This avoids rebuilding the entire cluster and preserves all data and settings.
Procedure
- Prepare a new NAS to replace the old NAS.
Important
- Do not use a different NAS model for replacement. QNAP HA only supports clusters where both NAS devices are of the same model.
- The memory configuration on the new NAS must be the same as the old NAS.
- Do not power on the new NAS at this stage.
- If the old NAS is the active node in the cluster, first perform a switchover.
You can skip this step if the old NAS is already the passive node.- Log in to the old NAS (active node).
- Go to High Availability Manager > Cluster.
- Click Manage, and then select Switch Over.
- After the switchover is complete, ensure the following:
- The other node is now the new active node.
- The cluster status is “Good”.
- Shut down the old NAS (passive node).
- Log in to the other NAS (active node) in the cluster.
- Go to High Availability Manager > Nodes.
- Under the passive node, click
, and then select Shut Down.High Availability Manager shuts down the old NAS.
- Remove all network cables from the old NAS.
Important
Remember which port each network cable is connected to. You will need to connect them to the same ports on the new NAS.
- Transfer all disks from the old NAS to the new NAS.
Important
- Ensure both NAS devices are powered off before you begin.
- You must transfer the disks to the same slots in the same order on the new NAS.
For example, if the old NAS has disk A installed in slot 1, disk B in slot 2, and disk C in slot 5, the new NAS must have the same disk configuration. - We recommend transferring one disk at a time to ensure the order and slot positions are preserved.
- Connect the network cables to the same ports on the new NAS as they were previously connected to on the old NAS.
- Power on the new NAS.
The system will automatically recognize the new NAS as a node and restore the original HA cluster status.
Further Reading
适用产品
- QuTS hero h5.3.0 or later
- High Availability Manager
场景
在高可用性（HA）群集中，如果活动或被动节点发生故障或需要硬件升级，可以通过将其磁盘迁移到新的NAS来替换该节点。这避免了重建整个群集并保留所有数据和设置。
步骤
- 准备一个新的NAS来替换旧的NAS。
重要
- 不要使用不同型号的NAS进行替换。QNAP HA仅支持两台NAS设备型号相同的群集。
- 新NAS的内存配置必须与旧NAS相同。
- 此阶段不要开启新NAS。
- 如果旧NAS是群集中的活动节点，首先执行切换操作。
如果旧NAS已经是被动节点，可以跳过此步骤。- 登录旧NAS（活动节点）。
- 进入High Availability Manager > 群集。
- 点击管理，然后选择切换。
- 切换完成后，确保以下几点：
- 另一个节点现在是新的活动节点。
- 群集状态为“良好”。
- 关闭旧NAS（被动节点）。
- 登录群集中的另一台NAS（活动节点）。
- 进入High Availability Manager > 节点。
- 在被动节点下，点击, 然后选择关闭。
High Availability Manager关闭旧NAS。
- 移除旧NAS上的所有网络线缆。
重要
记住每根网络线缆连接的端口。您需要将它们连接到新NAS上的相同端口。
- 将所有磁盘从旧NAS转移到新NAS。
重要
- 确保在开始之前两个NAS设备都已关闭电源。
- 您必须按照相同的顺序将磁盘转移到新NAS的相同插槽中。
例如，如果旧NAS在插槽1安装了磁盘A，在插槽2安装了磁盘B，在插槽5安装了磁盘C，新NAS必须有相同的磁盘配置。 - 我们建议一次转移一个磁盘，以确保顺序和插槽位置保持不变。
- 将网络线缆连接到新NAS上的相同端口，就像之前连接到旧NAS上一样。
- 开启新NAS电源。
系统将自动识别新NAS为节点并恢复原始HA 群集状态。
进一步阅读
