Applicable Products
- QuTS hero h5.3.0 or later
- High Availability Manager
- Storage Manager
Scenario
You have deployed a high-availability (HA) cluster with shared storage, and a current storage pool is running low on capacity. The system may have issued a warning about low storage space.
To accommodate growing data or performance requirements, you need to expand the storage pool. Since your system is in an HA environment, any modification to shared storage must be handled carefully to avoid service interruption or triggering failover.
Solution
You can replace disks one by one. Follow these steps:
Important
Replacing disks one by one temporarily removes RAID redundancy protection. Please proceed with caution.
- Identify the RAID group in the storage pool you want to expand.
- Go to Storage Manager > Storage Space.
- Identify the storage pool to expand.
- Under Action, click
> Manage, and then go to the RAID tab.
Storage Manager displays the RAID groups in the storage pool, and the disks used by each RAID group.
- Verify that the RAID group's RAID type is RAID 1, 5, or 6.
Note
Only these RAID types currently support expansion by replacing disks one by one.
- Disable all spare disks assigned to the RAID group.
- Go to Storage Manager > Disks > Disk.
- Identify the spare disk.
- Under Action, click
> Disable Spare.
- Note down all disk slots used by the RAID group.
Tip
To check the disk slots used by the RAID group, go back to
Storage Manager > Storage Space, identify the storage pool, click
> Manage, and then go to the
RAID tab.
- On the passive node, replace the disks one at a time.
- Replace an existing disk with a new disk that has a greater capacity.
Important
Do not replace more than one disk at a time.
- Wait for the system to rebuild the RAID group and the storage pool.
Tip
You can monitor the rebuild process in Storage Manager or High Availability Manager.
- Once the rebuild process is done, verify that both the disk's and pool's statuses are healthy.
You can check the disk status in Storage Manager > Disks > Disk, and the pool status in Storage Manager > Storage Space. - Repeat the previous steps until all disks have been replaced.
- On the active node, replace the disks one at a time.
Follow the same steps for replacing the disks on the passive node.Important
Ensure the capacity of the disk in each disk slot on the active node matches that of the corresponding disk slot on the passive node.
- After successfully replacing all disks in the RAID group on both nodes, check the storage pool capacity in Storage Manager.
Once the total capacity of the storage pool is updated, the expansion is complete.
Further Reading
How do I expand a storage pool in an HA cluster?
适用产品
- QuTS hero h5.3.0 or later
- High Availability Manager
- Storage Manager
场景
您已部署了一个具有共享存储的高可用性（HA）群集，当前的存储池容量不足。系统可能已发出关于存储空间不足的警告。
为了满足不断增长的数据或性能需求，您需要扩展存储池。由于您的系统处于HA环境中，任何对共享存储的修改都必须谨慎处理，以避免服务中断或触发故障转移。
解决方案
您可以逐个更换磁盘。请按照以下步骤操作：
重要
逐个更换磁盘会暂时移除RAID冗余保护。请谨慎操作。
- 识别您要扩展的存储池中的RAID组。
- 进入 存储管理器 > 存储空间。
- 识别要扩展的存储池。
- 在 操作下，点击 > 管理，然后进入 RAID 选项卡。
存储管理器显示存储池中的RAID组及每个RAID组使用的磁盘。
- 验证RAID组的RAID类型为RAID 1、5或6。
注意
目前只有这些RAID类型支持通过逐个更换磁盘进行扩展。
- 禁用分配给RAID组的所有备用磁盘。
- 进入 存储管理器 > 磁盘 > 磁盘。
- 识别备用磁盘。
- 在 操作下，点击 > 禁用备用。
- 记录RAID组使用的所有磁盘槽。
提示
要检查RAID组使用的磁盘槽，请返回到
存储管理器 > 存储空间，识别存储池，点击
> 管理，然后进入
RAID 选项卡。
- 在被动节点上，一次更换一个磁盘。
- 用容量更大的新磁盘替换现有磁盘。
- 等待系统重建RAID组和存储池。
提示
您可以在存储管理器或High Availability Manager中监控重建过程。
- 重建过程完成后，验证磁盘和池的状态是否健康。
您可以在 存储管理器 > 磁盘 > 磁盘中检查磁盘状态，以及在 存储管理器 > 存储空间中检查池状态。 - 重复之前的步骤，直到所有磁盘都被替换。
- 在主动节点上，一次更换一个磁盘。
按照在被动节点上更换磁盘的相同步骤进行操作。重要
确保主动节点上每个磁盘槽的磁盘容量与被动节点上对应磁盘槽的容量匹配。
- 在两个节点上的RAID组中成功替换所有磁盘后，检查存储池容量在存储管理器中。
一旦存储池的总容量更新，扩展即完成。
进一步阅读
如何在HA群集中扩展存储池？
