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Example 3: Assigning a Virtual IP Address to an ECS for HA Scenarios Virtual IP addresses are used for high availability as they make active/standby ECS switchover possible. This way if one ECS goes down for some reason, the other one can take over and services continue uninterrupted
Reinstalling an ECS OS (Using an Image with Cloud-Init Installed) Function This API is used to reinstall an ECS OS. During the system disk reinstallation using the original image, the data disks of the ECS remain unchanged. This API is an asynchronous API. After the OS reinstallation
Changing an ECS OS (Using an Image with Cloud-Init Installed) Function This API is used to change an ECS OS. During the system disk reinstallation using a new image, the data disks of the ECS remain unchanged. This API is an asynchronous API. After the OS change request is successfully
Resetting the Password for Logging In to an ECS with a Few Clicks (Discarded) Function This API is used to reset the password of the ECS management account, root or Administrator. This API has been discarded. Use the API described in Resetting the Password for Logging In to an ECS
Querying Details About a Specified NIC of an ECS (Discarded) Function This API is used to query details about a NIC based on the NIC ID. This API has been discarded. Use the API described in Querying NICs of an ECS. URI GET /v2.1/{project_id}/servers/{server_id}/os-interface/{port_id
ECS Management Through Console (OpenStack Nova API) Obtaining ECS Management Console Logs (Discarded) Obtaining a VNC-based Remote Login Address (Microversion 2.6 or Later) (Discarded) Parent topic: Out-of-Date APIs
Binding a Virtual IP Address to an ECS NIC (Discarded) Function A virtual IP address provides another IP address for one or multiple ECS NICs, improving high availability between the ECSs. This API is used to bind a virtual IP address to an ECS NIC. If the specified IP address is
What Can I Do If the ECS Specifications Fail to Be Modified? View the failure cause using the Cloud Trace Service by performing the following operations: Log in to the management console. Under Management & Governance, click Cloud Trace Service. In the navigation pane on the left,
Using OBS Browser+ on a Windows ECS to Access OBS over the Intranet OBS Browser+ is a graphical user interface (GUI) for managing OBS resources. You can configure a private DNS server address to access OBS over the intranet from a Huawei Cloud Windows ECS. You need to download OBS
SAP NetWeaver ECS Hardware Evaluation (SAP Sizing) Before applying for SAP NetWeaver ECSs, evaluate the SAP Application Performance Standard (SAPS) value based on the standard SAP Sizing method. Then apply for the ECSs based on the evaluation results. For details, see SAP Quick Sizer
Connecting to a DB Instance from a Windows ECS over a Private Network When your applications are deployed on an ECS that is in the same region and VPC as your RDS for SQL Server DB instance, you are advised to use a floating IP address to connect to the DB instance through the ECS
Scenario 1: Creating a System Disk Image from a Windows ECS If you have created and configured an ECS based on your service requirements (such as installing software and deploying an application environment), you can create a system disk image from the configured ECS. Then, any new
How Long Does CSBS Take to Back Up and Restore an ECS? The initial backup for an ECS is a full backup and subsequent backup operations are all incremental backups. Therefore, the initial backup takes a long time and subsequent incremental operations take shorter times. For example
What Should I Do If I Fail to Create an ECS on a DeH? The following may cause the failure in creating an ECS on a DeH: The ECS flavor you selected is not supported by your DeH. To avoid this, select an ECS flavor that is supported by your DeH. For the ECS flavors supported by each
How Long Does CSBS Take to Back Up and Restore an ECS? The initial backup for an ECS is a full backup and subsequent backup operations are all incremental backups. Therefore, the initial backup takes a long time and subsequent incremental operations take shorter times. For example
How Do I Reduce the Size of an Image Created Locally or on ECS? Choose a smaller image that fits your needs. For instance, if you are creating a PyTorch 2.1 + CUDA 12.2 image and cannot find an exact match from Huawei Cloud, avoid selecting an image with unrelated components (like
How Do I Delete an ECS Instance Created in a Scaling Action? Handling Methods Method 1 Log in to the management console. Under Compute, click Auto Scaling. In the navigation pane on the left, choose Instance Scaling. Click the AS group name on the AS Groups page. On the AS group details
How Do I Delete an ECS Instance Created in a Scaling Action? Handling Methods Method 1 Log in to the management console. Under Compute, click Auto Scaling. In the navigation pane on the left, choose Instance Scaling. Click the AS group name on the AS Groups page. On the AS group details
How Do I View and Modify ECS Security Group Rules? To enable DAS to access the self-built DB instances on ECSs, you need to add an inbound rule with the port set to 3306 (example) and source to 100.125.0.0/16 and 100.79.0.0/16. On the ECS details page, click the Security Groups tab
Why Is Sysprep Required for Creating a Private Image from a Windows ECS? Why Is Sysprep Required? Sysprep is used to generalize images. It removes server-specific information, like the security identifier (SID), from an image so that ECSs created from this image can have unique SIDs
