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How Can I Apply a Private Image to an Existing ECS? You can use the image to change the ECS OS if the image is in the same region as the ECS. When you change the OS, select that image. For details about how to change the OS, see Changing the OS. Figure 1 Changing the OS If the image
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
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
How Do I Migrate an ECS to a Different Region of Another Account? You can perform the migration in either of the following ways: Use the ECS to create a private image, migrate the image to a different region of another account, and then use the image to create a new ECS. You can migrate
How Can I Use a Backup to Create an EVS Disk or ECS? You can use CSBS backups to create ECSs and use VBS backups to create EVS disks. CSBS backups cannot be directly used to create ECSs. You need to use a backup to create a private image and then use the private image to create ECSs
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
How Do I Make a System Disk Image Support Fast ECS Creation? Scenarios Fast Create greatly reduces the time required to create ECSs from a system disk image. Currently, this feature is supported by all newly created system disk images by default, but some existing system disk images
Can I Specify the System Disk Capacity When I Create an ECS Using an Image? When you use a system disk image to create an ECS, you can set the ECS specifications and system disk type without considering those in the image, but the system disk capacity can only be larger than that
What Do I Do If the Disks of a CentOS ECS Created from an Image Cannot Be Found? Symptom When you started a CentOS ECS, the system cannot find disks. Generally, this is because the xen-blkfront.ko module was not loaded during the startup. You need to modify OS kernel startup parameters
How Can I Back Up the Current Status of an ECS for Restoration in the Case of a System Fault? You can back up the ECS in any of the following ways: (Recommended) Use CBR to create a scheduled backup for the ECS. If the ECS fails, select a backup you want to use to restore the ECS,
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
How Do I Handle the Startup Failure of a Windows ECS Created from a Windows Image Generalized by Sysprep? Symptom When you start the ECS, information similar to the following is displayed. Figure 1 Message displayed Then, the following information is displayed in the dialog box: Windows
What Do I Do If a Partition Is Not Found During the Startup of an ECS Created from an Imported Private Image? Cause Disk partition IDs are changed after the cross-platform image import. As a result, no partition can be found at startup. In this case, you need to change disk partition
Can I Use the System Disk Image of an ECS on a BMS After I Export It from the Cloud Platform? No. The system disk image of an ECS is a VM file that contains a system running environment and does not have an installation boot program. So, it cannot be used on a BMS. For how to create
How Do I Configure an ECS, a BMS, or an Image File Before I Use It to Create an Image? ECS or Image File Configurations Table 1 ECS configurations OS Configuration Windows Configuring DHCP Enabling Remote Desktop Connection Installing the One-Click Password Reset Plug-In (Optional
What Do I Do If an Exception Occurs When I Start an ECS Created from an Image Using UEFI Boot? Symptom An ECS created from a private image booting to UEFI cannot start. Possible Causes The image is configured for UEFI boot, but the uefi attribute was not added to the image. Solution
What Do I Do If I Enabled Automatic Configuration During Image Registration for an ECS Created from a Windows Image and Now It Won't Start? Cause This may be caused by an issue with offline VirtIO driver injection. Solution When you inject VirtIO drivers into the image for a Windows
