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The Solution A of a Partner Has Passed the Cloud Software Validation, and This Partner Has Obtained a Test Coupon Quota of Up to ¥100,000. Can This Partner Use the Test Coupon for the Creation and Testing of the Solution B? Yes. According to the partner policies in 2025, the test
What Should I Do If an ECS Cannot Connect to an RDS DB Instance Through a Private Network? Perform the following steps to identify the problem: Check whether the ECS and RDS DB instances are located in the same VPC. If they are in the same VPC, go to 2. If they are in different VPCs
How Can I Know Whether the SSH Service Has Been Installed on My Local Device? Open the CLI on your local device. The following uses Windows 10 as an example: Press Win+R, enter cmd in the Run dialog box, and press Enter. Enter the ssh command and press Enter. If no error is reported
How Do I Delete a Backup That Has Been Used to Create an Image While Retaining the Image? You can create an ECS using an image. Then created a new image from the ECS. Delete the original image and then delete the backup. For details, see section "Creating an Image from a Cloud Server
How Can I Start Uploading Data After My Disk or Teleport Has Been Mounted? After receiving an SMS message notifying you of the successful mounting of the disk or Teleport, log in to DES Console, locate the service order whose state is Access key (AK/SK) to be entered, and click Enter
Why Does the Browser Still Consider the Website Insecure While the Website Has an SSL Certificate Deployed? Problem Description After HTTPS is configured, the access to the website is still blocked, and a message is displayed indicating that the website is insecure. Possible Causes
What Is the Relationship Between a VPC, Public NAT Gateway, EIP Bandwidth, and ECS? A VPC is a secure, isolated, logical network environment. A public NAT gateway enables ECSs in a VPC to access the Internet. EIP is a service that provides valid static IP addresses on the Internet
Can I Use a VBS Backup to Restore an EVS Disk Whose Capacity Has Been Expanded? Yes. After restoration, the capacity of the expanded EVS disk goes back to the original capacity before expansion. If you want to use the capacity added to the disk, you need to attach the restored disk
What Can I Do If the BCS Instance and the peer-xxx StatefulSet Are Abnormal After an Organization or a Peer Is Added? Symptom More than 10 minutes after an organization or peer is added, the new pods remain abnormal. As a result, the change on the BCS instance times out and the instance
How Do I Change the Billing Mode of a BCS Instance from Pay-per-Use to Yearly/Monthly? Changing from pay-per-use to yearly/monthly billing is currently unavailable. Parent topic: Billing FAQs
Codec Exception Occurs After a Plug-In Package Developed Offline That Has Been Checked Is Uploaded to the IoT Platform This fault is caused by the plug-in code. Generally, the dependency is not introduced or the code logic is incorrect. You can rectify the fault based on the Java
What Should I Do If I Cannot Create Connections for a VPN Gateway That Has No Bandwidth Information? If a VPN gateway has no bandwidth information, the VPN is of the earlier edition. This type of VPN cannot be created on the cloud anymore. Only one VPN connection can be created for
What Should I Do If I Cannot Create Connections for a VPN Gateway That Has No Bandwidth Information? If a VPN gateway has no bandwidth information, the VPN is of the earlier edition. This type of VPN cannot be created on the cloud anymore. Only one VPN connection can be created for
What Should I Do If I Can't Connect to My ECS (PostgreSQL) Instance? Error message: Connection refused (Connection refused). Error cause: The port number of the self-built database is incorrect, or the network is disconnected. Solution: Ensure that the port number of the self-built
What Should I Do If I Can't Connect to My ECS (MySQL) Instance? Error message: Access denied for user 'user_name'@'100.xxx.xx.xx' (using password: YES) Error cause: The username or password of the ECS-hosted database is incorrect. Solution: Check whether the username and password
How Do I Change Default DNS Servers of an ECS to Huawei Cloud Private DNS Servers? Huawei Cloud provides private DNS servers for domain name resolution. ECSs use public domain names to access the Internet, but use private domain names to access cloud services like OBS and SMN, with
Can I Change the Specifications Defined by a Private Image When I Use the Image to Create an ECS? Yes. You can specify the CPU, memory, bandwidth, system and data disks of the ECS you are creating. The system disk must be smaller than 1,024 GB but no less than the system disk capacity
Is There Any Difference Between the Image Created from a CSBS/CBR Backup and That Created from an ECS? No. You can create a full-ECS image from an ECS, a CSBS backup, or a CBR backup. When you create a full-ECS image from an ECS, the system first creates a backup for the ECS and then
What Should I Do If an ECS Cannot Connect to an RDS for PostgreSQL Instance Through a Private Network? Perform the following steps to identify the problem: Check whether the ECS and RDS for PostgreSQL instance are located in the same VPC. If they are in the same VPC, go to 2. If they
What Should I Do If an ECS Cannot Connect to an RDS for MariaDB Instance over a Private Network? Perform the following steps to identify the problem: Check whether the ECS and RDS for MariaDB instance are located in the same VPC. If they are in the same VPC, go to 2. If they are in
