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          6866 results found
          • Which Ports of a Security Group Are Opened When I Create a BCS Instance? - Blockchain Service

            Which Ports of a Security Group Are Opened When I Create a BCS Instance? - Blockchain Service

            Which Ports of a Security Group Are Opened When I Create a BCS Instance? Currently, port 22 for SSH login and ports ranging from 30000 to 40000 are opened for BCS. Parent topic: Service Usage

            Help > Blockchain Service > FAQs > Enhanced Hyperledger Fabric > Instance Management > Service Usage
          • What Should I Do If My BCS Instance Remains in the Creating State? - Blockchain Service

            What Should I Do If My BCS Instance Remains in the Creating State? - Blockchain Service

            What Should I Do If My BCS Instance Remains in the Creating State? The possible cause is that the disk fails to be mounted. Solution Log in to the node in the Cloud Container Engine (CCE) cluster where the BCS instance is deployed, and run the following command to check the DNS address

            Help > Blockchain Service > FAQs > Enhanced Hyperledger Fabric > Instance Management > Service Usage
          • How Do I Unsubscribe from a Yearly/Monthly BCS Instance? - Blockchain Service

            How Do I Unsubscribe from a Yearly/Monthly BCS Instance? - Blockchain Service

            How Do I Unsubscribe from a Yearly/Monthly BCS Instance? Choose More > Unsubscribe on the instance card. After the unsubscription application is approved, the remaining fees paid for the instance will be refunded. Parent topic: Billing FAQs

            Help > Blockchain Service > Billing > Billing FAQs
          • [Notice] Adjustment on the EOS Date of Huawei Cloud RDS for MySQL 5.7 - Relational Database Service-RDS for MySQL

            [Notice] Adjustment on the EOS Date of Huawei Cloud RDS for MySQL 5.7 - Relational Database Service-RDS for MySQL

            [Notice] Adjustment on the EOS Date of Huawei Cloud RDS for MySQL 5.7 Release Date This notice is released on March 27, 2025. EOS Date Adjustment Huawei Cloud adjusted the end-of-service (EOS) date of RDS for MySQL 5.7 to October 31, 2028. Scope All regions Impact You have more time

            Help > Product Bulletin > Product Change Notices
          • What Should I Do If Access to DCS Fails After Server Disconnects? - Distributed Cache Service

            What Should I Do If Access to DCS Fails After Server Disconnects? - Distributed Cache Service

            What Should I Do If Access to DCS Fails After Server Disconnects? Analysis: If persistent connections ("pconnect" in Redis terminology) or connection pooling is used and connections are closed after being used for connecting to DCS instances, errors will be returned at attempts to

            Help > Distributed Cache Service > FAQs > Client and Network Connection
          • Why Is Public Access of My DCS Redis 3.0 Instance Unintentionally Disabled? - Distributed Cache Service

            Why Is Public Access of My DCS Redis 3.0 Instance Unintentionally Disabled? - Distributed Cache Service

            Why Is Public Access of My DCS Redis 3.0 Instance Unintentionally Disabled? Symptom: Public access has been enabled for a DCS Redis 3.0 instance but is suddenly disabled. Possible cause: The EIP bound to the DCS Redis instance is unbound. As a result, public access is automatically

            Help > Distributed Cache Service > FAQs > Client and Network Connection
          • What Should I Do If the Monitoring Data of a DCS Redis Instance Is Abnormal? - Distributed Cache Service

            What Should I Do If the Monitoring Data of a DCS Redis Instance Is Abnormal? - Distributed Cache Service

            What Should I Do If the Monitoring Data of a DCS Redis Instance Is Abnormal? If you have any doubt on the monitoring data of a DCS Redis instance, you can access the instance through redis-cli and run the INFO ALL command to view the metrics. For details about the output of the INFO

            Help > Distributed Cache Service > FAQs > Monitoring and Alarm
          • How Do I Analyze the Hot Keys of a DCS Redis 3.0 Instance? - Distributed Cache Service

            How Do I Analyze the Hot Keys of a DCS Redis 3.0 Instance? - Distributed Cache Service

            How Do I Analyze the Hot Keys of a DCS Redis 3.0 Instance? DCS for Redis 3.0 does not support hot key analysis on the console. Alternatively, you can use the following methods to analyze hot keys: Method 1: Analyze the service structure and service implementation to discover possible

            Help > Distributed Cache Service > FAQs > Big/Hot Key Analysis and Expired Key Scan
          • Can BCS Instances Deployed on the Public Cloud Access Blockchain Nodes on Other Clouds? - Blockchain Service

            Can BCS Instances Deployed on the Public Cloud Access Blockchain Nodes on Other Clouds? - Blockchain Service

            Can BCS Instances Deployed on the Public Cloud Access Blockchain Nodes on Other Clouds? BCS instances now can be deployed only on the public cloud. Each user can deploy multiple BCS instances. Multiple public cloud users' BCS instances can form a consortium blockchain. Huawei Cloud-dominated

            Help > Blockchain Service > FAQs > Enhanced Hyperledger Fabric > Instance Management > Consultation
          • How Do I Clear Residual Log Files After a BCS Service Is Deleted? - Blockchain Service

            How Do I Clear Residual Log Files After a BCS Service Is Deleted? - Blockchain Service

            How Do I Clear Residual Log Files After a BCS Service Is Deleted? After a BCS service is deleted, log files are not automatically deleted from the cluster nodes. You are advised to manually delete the residual files to save space. Use the remote management tool to log in to each cluster

            Help > Blockchain Service > FAQs > Enhanced Hyperledger Fabric > O&M and Monitoring
          • How Do I Get Access to the Partners of Huawei Cloud BCS for More Services? - Blockchain Service

            How Do I Get Access to the Partners of Huawei Cloud BCS for More Services? - Blockchain Service

            How Do I Get Access to the Partners of Huawei Cloud BCS for More Services? If you have requirements for service chaincode or client app design and development, reach us by sales@huaweicloud.com. BCS and its partners will provide you with comprehensive solutions based on your business

            Help > Blockchain Service > FAQs > Enhanced Hyperledger Fabric > Instance Management > Consultation
          • Should I Use a Domain Name or an IP Address to Connect to a DCS Redis Instance? - Distributed Cache Service

            Should I Use a Domain Name or an IP Address to Connect to a DCS Redis Instance? - Distributed Cache Service

            Should I Use a Domain Name or an IP Address to Connect to a DCS Redis Instance? Single-node, read/write splitting, and Proxy Cluster: Each instance has only one IP address and one domain name address. The addresses remain unchanged before and after master/standby switchover. You can

            Help > Distributed Cache Service > FAQs > Client and Network Connection
          • How Do I Access a DCS Redis Instance Through Redis Desktop Manager? - Distributed Cache Service

            How Do I Access a DCS Redis Instance Through Redis Desktop Manager? - Distributed Cache Service

            How Do I Access a DCS Redis Instance Through Redis Desktop Manager? You can access a DCS Redis 3.0 instance through the Redis Desktop Manager within a VPC or over the Internet. Within a VPC Enter the address, port number (6379), and authentication password of the DCS instance you

            Help > Distributed Cache Service > FAQs > Client and Network Connection
          • Why Is Redisson Distributed Lock Not Supported by DCS Proxy Cluster Redis 3.0 Instances? - Distributed Cache Service

            Why Is Redisson Distributed Lock Not Supported by DCS Proxy Cluster Redis 3.0 Instances? - Distributed Cache Service

            Why Is Redisson Distributed Lock Not Supported by DCS Proxy Cluster Redis 3.0 Instances? Redisson implements lock acquisition and unlocking in the following process: Redisson lock acquisition and unlocking are implemented by running Lua scripts. During lock acquisition, the EXISTS

            Help > Distributed Cache Service > FAQs > Redis Usage
          • Can I Export Backup Data of DCS Redis Instances to RDB Files on the Console? - Distributed Cache Service

            Can I Export Backup Data of DCS Redis Instances to RDB Files on the Console? - Distributed Cache Service

            Can I Export Backup Data of DCS Redis Instances to RDB Files on the Console? DCS Redis 3.0 instances No. On the console, backup data of a DCS Redis 3.0 instance can be exported only to AOF files. To export data to RDB files, run the following command in redis-cli: redis-cli -h {redis_address

            Help > Distributed Cache Service > FAQs > Data Backup, Export, and Migration
          • Why Can't I Select the Required Enterprise Project When Creating a DCS Instance? - Distributed Cache Service

            Why Can't I Select the Required Enterprise Project When Creating a DCS Instance? - Distributed Cache Service

            Why Can't I Select the Required Enterprise Project When Creating a DCS Instance? Symptom The desired enterprise project is not displayed during instance creation. Cause The user group does not have DCS permissions in the desired enterprise project. Solution Log in to the DCS console

            Help > Distributed Cache Service > FAQs > Instance Creation and Permissions
          • What Can I Do If a Lettuce 6.x Client Is Incompatible with My DCS Instance? - Distributed Cache Service

            What Can I Do If a Lettuce 6.x Client Is Incompatible with My DCS Instance? - Distributed Cache Service

            What Can I Do If a Lettuce 6.x Client Is Incompatible with My DCS Instance? Symptom When a Lettuce 6.x client is connected to a Proxy Cluster DCS Redis 4.x/5.x instance, the error message "NOAUTH Authentication required" is displayed. Figure 1 Error message example Analysis In Lettuce

            Help > Distributed Cache Service > FAQs > Client and Network Connection
          • Do DCS Redis Instances Support Data Persistence? What Is the Impact of Persistence? - Distributed Cache Service

            Do DCS Redis Instances Support Data Persistence? What Is the Impact of Persistence? - Distributed Cache Service

            Do DCS Redis Instances Support Data Persistence? What Is the Impact of Persistence? Is Persistence Supported? Single-node: No Master/Standby, read/write splitting, and cluster (except single-replica clusters): Yes How Is Data Persisted? DCS Redis instances supports only AOF persistence

            Help > Distributed Cache Service > FAQs > Feature
          • Can I Build My Own Anti-DDoS System Using HUAWEI CLOUD ECSs? - Anti-DDoS Service

            Can I Build My Own Anti-DDoS System Using HUAWEI CLOUD ECSs? - Anti-DDoS Service

            Can I Build My Own Anti-DDoS System Using HUAWEI CLOUD ECSs? Yes, you can. You can set up an anti-DDoS system on your own for your business using ECSs of HUAWEI CLOUD. However, Huawei Cloud will block or freeze traffic when detecting frequent flood attacks, which may interrupt your

            Help > Anti-DDoS Service > FAQs > AAD FAQs > Access Configuration
          • How Do I View Chaincode Logs If My BCS Instance Uses Fabric v2.2? - Blockchain Service

            How Do I View Chaincode Logs If My BCS Instance Uses Fabric v2.2? - Blockchain Service

            How Do I View Chaincode Logs If My BCS Instance Uses Fabric v2.2? Symptom Chaincode container logs of a Fabric v2.2 BCS instance cannot be found on the AOM console. Root Cause Currently, non-Fabric-v2.2 BCS instances use Kubernetes to start chaincode containers, whereas Fabric v2.2

            Help > Blockchain Service > FAQs > Enhanced Hyperledger Fabric > Chaincode Management
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