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subnet AZ: AZ1 CIDR block: 192.168.0.0/24 Free 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
You can use the following examples to learn how to query a specific trace: Use CTS to audit Elastic Volume Service (EVS) creation and deletion operations from the last two weeks. For details, see Security Auditing.
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.
System disk: 200 GiB EIP: Auto assign EIP type: Dynamic BGP Billed by: Traffic Bandwidth: 100 Mbit/s The following resources generate costs: Cloud servers EVS disks EIP For billing details, see Billing Mode Overview.
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.
Set boot_index to 0 and set the EVS disk corresponding to the snapshot to a system disk.
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.
ports configured in vsftpdconf Source: 0.0.0.0/0 Free ECS Billing mode: Yearly/Monthly AZ: AZ1 Flavor: s6.large.4 Image: Ubuntu 22.04 64-bit 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
IPv4 Protocol & Port: TCP:80 Source: 0.0.0.0/0 Free 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
System disk: 200 GiB EIP: Auto assign EIP type: Dynamic BGP Billed by: Traffic Bandwidth: 100 Mbit/s The following resources generate costs: Cloud servers EVS disks EIP For billing details, see Billing Mode Overview.
ports configured in vsftpdconf Source: 0.0.0.0/0 Free ECS Billing mode: Yearly/Monthly AZ: AZ1 Flavor: s6.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: ECSs EVS
System/Data Disk Select a disk type Yes No The disk type you selected Specify the disk size Yes No The disk size you specified Select Encryption Yes No Encryption enabled Specify the KMS key name/ID Yes No The KMS key name/ID you specified Disk type (VBD/SCSI) No No N/A Storage type (EVS
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.
As a result, the instance may fail to be started. guestos.filesystem.device_mount_failure Checking the Device Mounting Status in the fstab File The instance contains EVS disks that are not automatically mounted in fstab under /etc/.
Resources and costs Resource Description Cost ECS Billing mode: Pay-per-use AZ: AZ1 Flavor: s6.large.2 Image: Huawei Cloud EulerOS 2.0 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
Table 2 Resources and costs Resource Description Cost ECS Billing mode: Pay-per-use AZ: AZ1 Flavor: c7.large.2 Image: CentOS 7.8 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
Table 1 Resources and costs Resource Description Cost ECS Billing mode: Yearly/Monthly AZ: AZ1 Specifications: s7.large.4 Image: Ubuntu 22.04 EIP: Auto assign EIP type: Dynamic BGP Billed by: Traffic Bandwidth: 5 Mbit/s The following resources generate costs: ECSs EVS disks EIPs For
Initializing an EVS data disk If you created a data disk when creating an ECS, initialize the data disk first before using it. For details, see Initializing Data Disks. Using an ECS After purchasing an ECS, you can build environments, websites, or applications on it.
Table 2 Resources and costs Resource Description Cost ECS Billing mode: Pay-per-use AZ: AZ1 Flavor: s6.large.4 Image: CentOS 8.0 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
IPv4 Protocol & Port: TCP:8080 Source: 0.0.0.0/0 Free ECS Billing mode: Yearly/Monthly AZ: AZ1 Flavor: c7.large.2 Image: CentOS 7.4 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
