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Notes and Constraints If you use a full-ECS image to create an ECS, the EVS disks associated with the full-ECS image do not support the function of creating disks from a data disk image.
107374182400 bytes, 209715200 sectors Units = sectors of 1 × 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes This is a convenient method to obtain the device name, but you cannot obtain the mapping between the EVS
New data disk If a data disk is created together with a server, EVS automatically attaches it to the server. You only need to initialize it to make it available for use. If a data disk is created explicitly, you need to first attach it to a server and then initialize it.
Example Request Attach a SCSI EVS disk to device /dev/sda.
AZ1 CIDR block: 192.168.0.0/24 Free of charge ECS Billing mode: Yearly/Monthly AZ: AZ1 Flavor: c7.large.2 Image: CentOS 7.6 64bit System disk: 40 GiB EIP: Auto assign EIP type: Dynamic BGP Billed by: Traffic Bandwidth: 5 Mbit/s The following resources generate costs: Cloud servers EVS
You can use a data disk image to create EVS disks and migrate your service data to the cloud. Full-ECS image Contains an OS, application software, and data for running services. A full-ECS image contains the system disk and all data disks attached to it.
/Assured Bandwidth (Gbit/s) EVS Basic Bandwidth (Gbit/s) Max. PPS (10,000) Max.
AZ1 CIDR block: 192.168.0.0/24 Free of charge ECS Billing mode: Yearly/Monthly AZ: AZ1 Flavor: c7.large.2 Image: CentOS 7.2 64bit System disk: 40 GiB EIP: Auto assign EIP type: Dynamic BGP Billed by: Traffic Bandwidth: 5 Mbit/s The following resources generate costs: Cloud servers EVS
The time is in the format of "2019-05-22T07:48:19.000000". os-extended-volumes:volumes_attached Array of objects Specifies information about the EVS disks attached to the ECS. For details, see Table 8. fault Object Describes ECS faults. This parameter is optional.
Cloud disk backup: Use this backup method if you want to back up the data of one or more EVS disks (system or data disk) attached to an ECS. This minimizes backup costs on the basis of data security.
Common Operations Resetting the ECS Password Modifying Specifications Changing the OS Reinstalling the OS Creating an Image Purchasing an EVS Disk Network Management Binding an EIP Changing an EIP Bandwidth Security Group Configuration Examples Configuring Security Group Rules Resource
For details about how to create a system disk snapshot, see Creating a Snapshot in Elastic Volume Service User Guide. After the specifications are modified, manually delete the snapshot on the snapshot page if you have verified that services are running properly.
Set boot_index to 0 and set the EVS disk corresponding to the snapshot to a system disk.
Instance redeployment will not affect the instance's system disk and EVS data disks. For instances using local disks, all data stored on the local disks will be deleted after the instance redeployment.
Free of charge ECS Billing mode: Yearly/Monthly AZ: AZ1 Flavor: s6.2xlarge.4 Image: CentOS 7.5 64bit System disk: 40 GiB EIP: Auto assign EIP type: Dynamic BGP Billed by: Traffic Bandwidth: 5 Mbit/s The following resources generate costs: ECSs EVS disks EIP For billing details, see
The EVS disk quota must be greater than 0. The system disk type cannot be changed. H2 ECSs do not support OS change. For details about the change between different OSs, see Notes on Change Between Windows and Linux.
Free of charge ECS Billing mode: Yearly/Monthly AZ: AZ1 Flavor: s6.large.4 Image: CentOS 7.2 64bit System disk: 40 GiB EIP: Auto assign EIP type: Dynamic BGP Billed by: Traffic Bandwidth: 5 Mbit/s The following resources generate costs: ECSs EVS disks EIP For billing details, see
For details about how to create a system disk snapshot, see Creating a Snapshot in Elastic Volume Service User Guide. After the specifications are modified, manually delete the snapshot on the snapshot page if you have verified that services are running properly.
The time is in the format of "2019-05-22T07:48:19.000000". os-extended-volumes:volumes_attached Array of objects Specifies information about the EVS disks attached to the ECS. For details, see Table 8. fault Object Describes ECS faults. This parameter is optional.
Ultra-high I/O ECSs can use local disks, and can also have EVS disks attached to provide a larger storage size. Note the following when using the two types of storage media: Only an EVS disk, not a local disk, can be used as the system disk of an ultra-high I/O ECS.
