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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
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
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
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
What Can I Do If My BCS Instance Is Abnormal Because My Account Is in Arrears? Renew your BCS instance at Billing Center > Renewal, and the instance status will become normal within 5 to 10 minutes. If the BCS instance remains abnormal, refer to Abnormal Instance Statuses. Parent
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
How Do I Add Shards to a Cluster DCS Redis Instance Without Changing the Memory? After a Proxy Cluster or Redis Cluster instance is created, you can reduce the capacity of each shard and add more shards without changing the total memory. For example, if an 8 GB instance has 4 shards
Why Do I Fail to Access a DCS Instance Using Its Domain Name Address? If a client fails to connect to a DCS instance using the domain name address, set the DNS server address of the subnet to the private DNS server address. For details, see How Do I Switch to a Private DNS Server?
How Do I Enable or Disable SSL for Public Access to a DCS Redis 3.0 Instance? When you enable public access, SSL is enabled by default. To disable SSL encryption, perform the following steps: Open the page for configuring public access. Disable SSL encryption, and click OK. In the
Why Can't I View the Subnet and Security Group Information When Creating a DCS Instance? This may be because you do not have the Server Administrator and VPC Administrator roles. For details on how to add user permissions, see Modifying User Group Permissions. Parent topic: Instance
How Do I View Current Concurrent Connections and Maximum Connections of a DCS Redis Instance? Viewing Concurrent Connections of a DCS Redis Instance On the Cache Manager page of the console, click View Metric in the row containing the desired instance. On the Cloud Eye console, find
Where Are DCS Instance Backup Files Stored? How Many of Them Can Be Stored? Backup files of DCS instances are stored to OBS. Currently, each DCS instance stores up to 24 latest backup files. The earliest ones will be automatically deleted if the amount exceeds. Parent topic: Data
Why Can't Security Groups Be Configured for DCS Redis 4.0 and Later Basic Edition Instances? Currently, DCS Redis 4.0 and later basic edition instances use VPC endpoints and do not support security groups. To allow access only from specific IP addresses to a DCS Redis 4.0 or later
[Notice] Huawei Cloud DDS 3.4 Will Reach EOS on July 30, 2025 Notice Content On July 30, 2025, 00:00:00 GMT+08:00, Huawei Cloud will stop providing services for DDS 3.4. Scope All regions Impacts After the end of service (EOS), Huawei Cloud will no longer provide technical support
ECS: 20%; BMS: 10%.) A position can be specified for decoding online WALs only.
How Do I Change the Billing Mode of a BCS Instance from Pay-per-Use to Yearly/Monthly? Changing from pay-per-use to yearly/monthly billing is currently unavailable. Parent topic: Billing FAQs
What Can I Do If the BCS Instance and the peer-xxx StatefulSet Are Abnormal After an Organization or a Peer Is Added? Symptom More than 10 minutes after an organization or peer is added, the new pods remain abnormal. As a result, the change on the BCS instance times out and the instance
Can I Migrate Data from a Multi-DB Source Redis Instance to a Cluster DCS Redis Instance? A total of 256 DBs (DB 0 to DB 255) can be configured for a single-node, read/write splitting, or master/standby DCS instance. If the target is a Redis Cluster instance (a Redis Cluster instance
Why Do ECSs Using Private IP Addresses in the Same Subnet Only Support One-Way Communication? Symptom Two ECSs (ecs01 and ecs02) are in the same subnet in a VPC. Their IP addresses are 192.168.1.141 and 192.168.1.40. The ecs01 can ping ecs02 through a private IP address successfully
Can I Migrate ECSs from Huawei Cloud to On-Premises Environments or Other Clouds Using SMS? No, but you can create images for your ECSs, export the images, and download them to your local servers or transfer them to other clouds. For details, see Exporting Images. Parent Topic: Product
