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Adding a Disk to an ECS Scenarios The disks attached to an ECS include one system disk and one or more data disks. The system disk is automatically created and attached when the ECS is created. You do not need to purchase it again. The data disks can be added in either of the following
ECS Custom Policies Custom policies can be created to supplement the system-defined policies of ECS. For the actions that can be added to custom policies, see "Permissions and Supported Actions" in Elastic Cloud Server API Reference. You can create custom policies in either of the
Basic ECS Metrics Description This section describes basic monitoring metrics reported by ECS to Cloud Eye. You can use Cloud Eye to view these metrics and alarms generated for ECSs. Namespace SYS.ECS Basic ECS Metrics Basic ECS metrics vary depending on ECS OSs and types. For details
Backing Up an ECS Scenarios Cloud Backup and Recovery (CBR) enhances data integrity and service continuity. For example, if an ECS or EVS disk is faulty or a misoperation causes data loss, you can use data backups to quickly restore data. This section describes how to back up ECSs
Installing UniAgent on an ECS Scenario Self-service O&M operations on ECSs such as hostname change and online password reset depend on UniAgent provided by Application Operations Management (AOM). If UniAgent is not installed or the installation failed, you need to log in to the ECS
Viewing ECS Metrics Scenarios The cloud platform provides Cloud Eye, which monitors the running statuses of your ECSs. You can obtain the monitoring metrics of each ECS on the management console. There a short time delay between transmission and display of monitoring data. The status
Attaching a Disk to an ECS Scenarios If the existing disks of an ECS fail to meet service requirements, for example, due to insufficient disk space or poor disk performance, you can attach more available EVS disks to the ECS, or purchase more disks (choosing Storage > Elastic Volume
Changing a Xen ECS to a KVM ECS (Windows) Scenarios Before changing a Xen ECS that runs Windows to a KVM ECS, make sure that PV driver and UVP VMTools have been installed on the ECS. This section describes how to install the PV driver and UVP VMTools and change Xen to KVM. ECSs can
Changing a KVM ECS to a QingTian ECS (Windows) Scenarios This section describes how to change a KVM ECS that runs Windows to a QingTian ECS. KVM ECS flavors: See the Virtualization column in A Summary List of x86 ECS Specifications. QingTian ECS flavors: See the Virtualization column
Changing a KVM ECS to a QingTian ECS (Linux) Scenarios This section describes how to change a KVM ECS that runs Linux to a QingTian ECS. KVM ECS flavors: See the Virtualization column in ECS Specifications. Constraints The ECS needs to be stopped during the specification modification
Why Does the Failures Area Show an ECS Creation Failure But the ECS List Displays the Created ECS? Symptom When you attempt to create an ECS with an EIP bound on the management console, the ECS creation was successful but the EIP binding failed due to insufficient EIPs. Although the
Automatically Changing a Xen ECS to a KVM ECS (Linux) Scenarios Before changing a Xen ECS that runs Linux to a KVM ECS, make sure that the required drivers have been installed and configured on the ECS. This section describes how to use a script to automatically install drivers on
Manually Changing a Xen ECS to a KVM ECS (Linux) Scenarios Before changing a Xen ECS that runs Linux to a KVM ECS, install and configure required drivers. This section describes how to manually install drivers on a Linux ECS, configure automatic disk attachment, and change Xen to
Changing the ECS Billing Mode Function This API is used to change the ECS billing mode. Constraints This API can only be used to change the billing mode from pay-per-use to yearly/monthly. You can batch change the billing modes of a maximum of 10 ECSs. The EIP bound to the ECS whose
Modifying ECS Details in a Batch Function This API is used to modify ECS details in a batch. Currently, only ECS names can be changed in a batch, and a maximum of 100 ECSs can be modified at a time. URI PUT /v1/{project_id}/cloudservers/server-name Table 1 describes the parameter
Adding NICs to an ECS in a Batch Function This API is used to add one or multiple NICs to an ECS. This API is an asynchronous API. After the NIC addition request is successfully delivered, a job ID is returned. This does not mean the NIC addition is complete. You need to call the
Querying Disk Attachments of an ECS Function This API is used to query disk attachments of an ECS. URI GET /v1/{project_id}/cloudservers/{server_id}/os-volume_attachments Table 1 describes the parameters in the URI. Table 1 Parameter description Parameter Mandatory Description project_id
Deleting Specified ECS Metadata Function This API is used to delete specified ECS metadata. Constraints An ECS must be in active, stopped, paused, or suspended state, which is specified by OS-EXT-STS:vm_state. URI DELETE /v1/{project_id}/cloudservers/{server_id}/metadata/{key} Table
Adding Tags to an ECS in a Batch Function This API is used to add tags to a specified ECS in a batch. The Tag Management Service (TMS) uses this API to batch manage the tags of an ECS. Constraints An ECS allows a maximum of 10 tags. This API is idempotent. During tag creation, if
Obtaining the Password for Logging In to an ECS Function This API is used to obtain the random password generated for user Administrator or the user configured in Cloudbase-Init when you use a Cloudbase-Init-enabled image to create a Windows ECS. Linux ECSs do not support this API
