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Why Is It Not Possible to Successfully Create an ECS on a DeH Even When There Are More Available Resources on the DeH Than What the ECS Requires? A DeH usually has multiple non-uniform memory access (NUMA) nodes. The available resources of a DeH displayed on the console represent
Why Can't I Find My Private Image When I Want to Use It to Create an ECS or Change the OS of an ECS? When you create an ECS or change the OS of an existing ECS, some of your private images are not shown. One possible cause is that the x86 and Arm architectures are incompatible with
Will I Lose My Disk Data If I Reinstall ECS OS, Change the OS, or Change the ECS Specifications? Table 1 Impact Item OS Reinstallation OS Change Specifications Modification Application scenario Initialize an ECS. The ECS OS remains unchanged after OS change. Change the OS of an ECS
Do I Need to Stop the ECS Before Restoring It? The system shuts down the ECS before restoring ECS data, and automatically starts up the ECS after the restoration is complete. If you deselect Start the server immediately after restoration, you need to manually start the ECS after the
Why Does My ECS Fail to Connect to a Cluster? Perform the following steps to troubleshoot this problem: Check whether the ECS instance and cluster are in the same VPC. If they are, go to 2. If they are not, create an ECS instance and ensure that the ECS instance is in the same VPC
What Types of ECS and HECS Instances Can Be Scaled by AS? Supported ECS types are listed on the AS management console. For details about ECS types, see Elastic Cloud Server User Guide. Currently, AS cannot scale HECS instances. Parent topic: General
How Do I Start and Stop an ECS Instance? Starting an ECS Instance Log in to the management console. Click in the upper left corner and select a region and project. Click Service List and choose Computing > Elastic Cloud Server to switch to the Elastic Cloud Server page. In the ECS
Do I Need to Stop the ECS Before Restoring It? The system shuts down the ECS before restoring ECS data, and automatically starts up the ECS after the restoration is complete. If you deselect Start the server immediately after restoration, you need to manually start the ECS after the
LVS Automatically Switching to the Primary Node After the Node Is Recovered Objectives When the keepalived service on the primary LVS node is faulty (for example, the keepalived service is disabled), the standby LVS node takes over services. Prerequisites The LVS primary and standby
What Types of ECS and HECS Instances Can Be Scaled by AS? Supported ECS types are listed on the AS management console. For details about ECS types, see Elastic Cloud Server User Guide. Currently, AS cannot scale HECS instances. Parent topic: General
Using FunctionGraph to Automatically Obtain and Update ECS Server Certificates Scenario This topic illustrates how to use FunctionGraph to automatically obtain and update an ECS server certificate. For server information, see Table 1. This approach helps you update new certificates
Must I Install Guest OS Drivers on an ECS? Installing Guest OS drivers on an ECS improves your experience in using the ECS. In addition, it also ensures high reliability and stability of ECSs. Windows ECSs: Install PV and VirtIO drivers on ECSs. Linux ECSs: Install Xen PV and VirtIO
What Do I Do If an ECS Starts Slowly? Symptom If an ECS starts slowly, you can change the default timeout duration to speed up the startup. Solution Log in to the ECS. Run the following command to switch to user root: sudo su Run the following command to query the version of the GRUB
How Do I Configure an ECS to Use DHCPv6? Scenarios IPv6 addresses are used to deal with IPv4 address exhaustion. If an ECS uses an IPv4 address, the ECS can run in dual-stack mode after IPv6 is enabled for it. Then, the ECS will have two IP addresses to access the intranet and Internet
Obtaining the ECS Resource Quota Required for Creating a CBH Instance Function Check whether the ECS specifications can be used for the CBH instance in the selected region. URI GET /v2/{project_id}/cbs/instance/ecs-quota Table 1 Path Parameters Parameter Mandatory Type Description
Using obsutil on a Linux ECS to Access OBS over the Intranet obsutil is a command line tool that can run Windows, macOS, and Linux operating systems. This section describes how to configure an intranet DNS server for a Huawei Cloud Linux ECS to access OBS over the intranet. You need
Overview of the Solution to Accessing OBS from an ECS over the Intranet Application Scenario An enterprise runs its basic businesses on Elastic Cloud Servers (ECSs). As its data grows, the disks cannot meet the storage and access requirements for a large number of images and videos
How Do I Add an ECS to the Domain of an APS? The newly purchased ECS is not added to the domain where the APS resides. Therefore, the sharing configuration cannot be performed. Perform the following operations to add the ECS to the corresponding domain: The Windows Server 2019 server
Binding a Key Pair and Logging In to an ECS Using a Private Key A key pair, including one public key and one private key, are generated based on a cryptographic algorithm. The public key is automatically saved in Key Pair Service (KPS), while the private key can be saved to the user's
Querying the Target ECS Flavors to Which a Flavor Can Be Changed Function An ECS flavor cannot be changed to certain flavors. This API is used to query the target flavors to which a specified ECS flavor can be changed. URI GET /v1/{project_id}/cloudservers/resize_flavors?instance_uuid
