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What Are the Differences Between Using a Public NAT Gateway and Using an EIP for an ECS? Public NAT gateways support both SNAT and DNAT and allow multiple ECSs to share EIPs. An EIP bound to an ECS cannot be used by any other ECSs. If both SNAT and EIP are configured for an ECS, the
How Do I Migrate ECS Data Across Regions Using CSBS? Context A user has an ECS with only one system disk in CN South-Guangzhou. To implement cross-region DR and fast service deployment in a different region, the user needs to create a same ECS with the same data in that region. In
Can I Add Yearly/Monthly ECS Instances to an AS Group? Yes. Currently, AS automatically creates pay-per-use ECS instances by default, but you can also add yearly/monthly or pay-per-use instances manually if needed. Parent topic: Instance
Will the System Bind a New EIP or an Existing One a Newly Added ECS Instance? During scale-out actions, the system automatically buys and assigns an EIP to each newly added instance. Parent topic: Instance
Can I Add Yearly/Monthly ECS Instances to an AS Group? Yes. Currently, AS automatically creates pay-per-use ECS instances by default, but you can also add yearly/monthly or pay-per-use instances manually if needed. Parent topic: Instance
Will the System Bind a New EIP or an Existing One a Newly Added ECS Instance? During scale-out actions, the system automatically buys and assigns an EIP to each newly added instance. Parent topic: Instance
Accessing Other Cloud Services from ECS Using Temporary Access Keys of an Agency You can create an agency to delegate access to services offered by Huawei Cloud. This example shows how to create an agency and delegate permissions to Huawei Cloud Elastic Cloud Server (ECS), a scalable
What Are the Impacts If I Do Not Pre-configure an ECS Used to Create a Private Image? Before using an ECS or external image file to create a private image, you need to pre-configure the ECS or the source VM of the image file. If you do not perform the pre-configuration, there are
How Do I Delete Redundant Network Connections from a Windows ECS? Method 1 Press Win+R. In the displayed dialog box, enter regedit and press Enter to open the registry editor. Modifying a registry may cause a system startup failure. So, back up the registry before modifying it. Open
Why Did I Fail to Install Guest OS Drivers on a Windows ECS? Possible causes: Your image file was exported from a VMware VM, and VMware Tools was not uninstalled or not completely uninstalled. You have downloaded Guest OS drivers of an incorrect version for your Windows ECS. The disk
Migrating the System and Data Partitions of a Windows Server to Separate Disks of a Huawei Cloud ECS Overview A Huawei Cloud ECS consists of one system disk and several data disks, as shown in Figure 1. An on-premises server may have the system partition and other partitions located
How Do I Restore Data in the Event of a Startup Failure on a Windows ECS? Symptom If logging in to a Windows ECS failed, the system automatically starts the recovery option. However, an error is reported after the recovery option is selected, and the system recovery cannot continue
How Do I Troubleshoot Slow Connections to a Website Hosted on My ECS? Symptom A complete HTTP request includes domain name resolution, TCP connection establishment, request initiation, processing of the request and returning a processing result by the server, parsing of the HTML code
What Should I Do If the IP Settings of My Linux ECS Are Lost? Symptom When an ECS has been running continuously for a long time without being restarted, the IP address settings may be lost, ECSs may be disconnected, or the network may break down. Figure 1 Symptom Possible Causes The
Why Can't I Open the Start Menu and Search Box on a Windows ECS? Symptom You can log in to the newly created Windows ECS, but the system does not respond when you click Start menu button and the search box. Possible Causes The AppX Deployment Service (AppXSVC) uses too many system
Why Does the NIC Names Change After I Start a Linux ECS? Scenarios After an ECS running CentOS 6 created using a private image starts, the first NIC is named as eth1, rather than eth0. This solution provided in this section involves restarting the ECS. Restarting the ECS will interrupt
How Do I Attach an Extension NIC to a Windows ECS for Accessing the Internet? Scenarios A Windows ECS has one primary NIC and one extension NIC attached. Both the NICs have an EIP bound to access the Internet. Constraints Do not modify the primary NIC settings. Procedure Log in to
Why Is the Space Not Released After I Delete a Large File on a Linux ECS? Symptom The space usage of the root directory on a Linux ECS is too high, for example, 96%, as shown in Figure 1. Figure 1 Too high space usage of the root directory You find that the access_log file generated
How Do I Apply for a License for Authenticating Multi-User Sessions and Activate an ECS? Scenarios This section describes how to configure remote desktop services and activate an ECS. The ECS running Windows Server 2012 is used as an example. Procedure Applying for a License for Authenticating
Why Can't I Use the Local Computer to Connect to My Windows ECS? Symptom An error message is displayed indicating that your local computer cannot connect to the remote computer. Figure 1 Cannot connect to the remote computer Possible Causes Port 3389 of the security group on the ECS
