Cloud Hard Disks That Are Migrated to FusionSphere OpenStack Using Rainbow Cannot Be Deleted from ServiceCenter

1

【Product�?
ServiceCenter

【Version�?
3.0.8

【Fault Type�?
Resource management fault

【Symptom�?
The icon for deleting such a cloud hard disk is dimmed so that the cloud disk cannot be deleted.

【Fault Locating�?
Possible cause: The cloud hard disk is created using an image, but the cloud hard disk is not mounted to a VM. As a result, the cloud hard disk fails to be managed by ServiceCenter.
Check method:
Step 1 Use PuTTY and the floating IP address to log in to the ServiceCenter server as user galaxmanager. The default password is Huawei@CLOUD8. Check the arcontrol.log file. The value of the bootable field of the cloud hard disk is true.
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Conclusion: When managing a cloud hard disk, ServiceCenter determines whether the cloud hard disk is a system disk. If the value of the bootable field of the cloud hard disk is true, the cloud hard disk is considered as a system disk. When a system disk is managed by ServiceCenter, the service instance of the cloud host to which the disk is mounted is inserted into the database. However, the cloud hard disk experiencing the exception is not mounted to the cloud host. As a result, the cloud hard disk cannot be managed by ServiceCenter successfully.

【Troubleshooting Procedure�?
Step 1 Log in to ServiceCenter as a VDC administrator.
Step 2 Go to the Cloud Hard Disk page and check the ID of the cloud hard disk that cannot be deleted.
Step 3 Use PuTTY to log in to the cascading FusionSphere OpenStack controller node as user fsp.
Step 4 Run the following command to switch to user root:
su - root
Step 5 Run the following command to import environment variables:
source set_env
Step 6 Run the following command to delete a cloud hard disk:
Cinder delete Cloud hard disk ID

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Other related questions:
What Are the Precautions for Deleting a Cloud Hard Disk Snapshot from ServiceCenter
【Product�? ManageOne ServiceCenter 【Version�? 3.X 【Question�? What are the precautions for deleting a cloud hard disk snapshot from ServiceCenter? 【Answer�? A cloud hard disk snapshot in the available state can be deleted. If you want to delete a cloud hard disk snapshot in other states, you can select Force Delete. If the AZ type of the cloud hard disk to which the cloud hard disk snapshot belongs is VMware and the cloud hard disk has been mounted to a cloud host, the cloud hard disk snapshot cannot be deleted or forcibly deleted. ----End

What Are the Restrictions on Unbinding a Cloud Hard Disk from a Cloud Host on ServiceCenter
【Product�? ManageOne ServiceCenter 【Version�? 3.0.7 【Question�? What are the restrictions on unbinding a cloud hard disk from a cloud host on ServiceCenter? 【Answer�? Check whether any VM snapshot or disk snapshot has been created for the cloud host. If a snapshot has been created for the cloud host, the cloud hard disk cannot be unbound from the cloud host. Delete thee cloud host snapshot and unbind the cloud hard disk from the cloud host. ----End

Why Cannot I Delete the Mounted Cloud Hard Disk When I Delete a Cloud Host
【Product�? ManageOne ServiceCenter 【Version�? 3.X 【Question�? Why cannot I delete the mounted cloud hard disk when I delete a cloud host? 【Answer�? When a cloud host with mounted cloud hard disks is deleted, the cloud hard disks are only unmounted from the cloud host, and cannot be automatically deleted. You can manually delete the cloud hard disks in the cloud hard disk list if necessary. ----End

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