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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
Why Cannot the EIP Bound to the Extension NIC of My ECS Access the Internet? Symptom Your ECS has one primary NIC and one extension NIC in the same subnet. Both the NICs have an EIP bound to access the Internet. The EIP bound to the primary NIC can access the Internet, but that bound
Why Can't My ECS Access the Internet Even After an EIP Is Bound? Symptom An ECS with an EIP bound cannot access the Internet. Troubleshooting Checking Whether EIPs Are Blocked or Frozen Check whether the EIP is blocked. For details, see How Do I Unblock an EIP? Check whether the EIP
How Do I Display the OS Name of a Target Server on the ECS Console? Symptom On the ECS console, you found that the OS name of your target server was different from the actual OS name of the server. This is a normal event resulting from a limitation of the ECS console. Possible Causes
Manually Configuring IPv4 and IPv6 Policy-based Routes for a Windows ECS with Multiple Network Interfaces Scenarios This section describes how to configure policy-based routes for a Windows Server 2012 64-bit ECS with two network interfaces. IPv4: If IPv4 communication between cloud
Real-Time Synchronization from MySQL to CSS/ES Incremental Synchronization Error: write table *** failed: null Parent topic: Failure Cases
How Do I Enable or Disable an ECS Firewall and Add a Port Exception to the Firewall? You can enable or disable an ECS firewall and add port exceptions to the firewall. For the operation procedure on a Windows ECS, see How Do I Disable a Windows ECS Firewall and Add a Port Exception
Why Is an Error Reported When Data Is Pushed to CSS After Logstash Is Deployed on an ECS? Symptom After Logstash is deployed on an ECS, an error is reported when data is pushed to CSS. The error message is as follows: LogStash::Outputs::ElasticSearch::HttpClient::Pool::BadResponseCodeError
Why Is an Instance that Was Removed from an AS Group and Deleted Still Displayed in the ECS List? If an automatically added instance is protected, it is removed out of the AS group but not deleted, so that it can still be used by other services. An instance that is being used by other
Can I Use an ECS Instance ID to Learn What AS Group the Instance Is In? No. To obtain details about an AS group and the instances in the group, perform the following operations: Log in to the management console. Choose Compute > Auto Scaling > Instance Scaling. On the AS Groups tab
Can I Use an ECS Instance ID to Learn What AS Group the Instance Is In? No. To obtain details about an AS group and the instances in the group, perform the following operations: Log in to the management console. Choose Compute > Auto Scaling > Instance Scaling. On the AS Groups tab
What Are the Impacts of a VPN on an On-premises Network? What Are the Changes to the Route for Accessing an ECS? When you configure a VPN, perform the following operations on the on-premises gateway: Configure IKE and IPsec policies. Specify interesting traffic (ACL rules). Check
What Are the Impacts of a VPN on an On-premises Network? What Are the Changes to the Route for Accessing an ECS? When you configure a VPN, perform the following operations on the on-premises gateway: Configure IKE and IPsec policies. Specify the to-be-protected traffic (ACL rules)
Why Does an ECS Have EIP Access Information After I Enable a VPN? This occurs because the ECS has an EIP bound before the VPN is used. That is, you can access the ECS through the VPN or the EIP. After the VPN is established, traffic from servers meeting ACL rules can enter the tunnel
Do I Need to Add a Route for an ECS with Multiple NICs to Reach the On-premises Network? If a primary NIC is used to establish a VPN with the on-premises network, no route needs to be added. If a non-primary NIC is used to establish a VPN with the on-premises network, add a route
What Are the Impacts of a VPN on an On-premises Network? What Are the Changes to the Route for Accessing an ECS? When configuring a VPN, you need to perform the following operations on the gateway in your on-premises data center: Configure IKE and IPsec policies. Set the connection
What Are the Impacts of a VPN on an On-premises Network? What Are the Changes to the Route for Accessing an ECS? When configuring a VPN, you need to perform the following operations on the gateway in your on-premises data center: Configure IKE and IPsec policies. Configure a VPN connection
Why Does an ECS Have EIP Access Information After I Enable a VPN? A possible cause is that the ECS has an EIP bound before the VPN is used. In this scenario, you can access the ECS through both the VPN and the EIP. To allow only hosts on the VPN to access the ECS, unbind the EIP from
