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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
Can I Specify the System Disk Capacity When I Create an ECS Using an Image? When you use a system disk image to create an ECS, you can set the ECS specifications and system disk type without considering those in the image, but the system disk capacity can only be larger than that
What Do I Do If the Disks of a CentOS ECS Created from an Image Cannot Be Found? Symptom When you started a CentOS ECS, the system cannot find disks. Generally, this is because the xen-blkfront.ko module was not loaded during the startup. You need to modify OS kernel startup parameters
How Can I Back Up the Current Status of an ECS for Restoration in the Case of a System Fault? You can back up the ECS in any of the following ways: (Recommended) Use CBR to create a scheduled backup for the ECS. If the ECS fails, select a backup you want to use to restore the ECS,
What Should I Do If a Shell Script Debugged on an ECS Fails to Be Executed in DataArts Factory? Symptom A shell script that has been debugged on an ECS fails to be executed in DataArts Factory. The script is used to connect to GaussDB(DWS) through gsql to query the number of data
Why Is a Message Displayed Indicating That My Account Is In Arrears Even If My Account Has Balance? Symptom When the account is reset and has balance, a message is displayed indicating that the account is in arrears during namespace creation. Solution Log out and log in again, or
Can the SMS API Be Called by an Internal Network (For Example, an ECS Server)? No. The SMS API cannot be called by an internal network. If you are using a HUAWEI CLOUD ECS, apply for an EIP to access the SMS service through the public network. Parent topic: Secondary Development
Error Message "AttributeError: 'NoneType' object has no attribute 'dtype'" Displayed in Logs Symptom Code can run properly in the notebook Keras image. When tensorflow.keras is used for training, error message "AttributeError: 'NoneType' object has no attribute 'dtype'" is displayed
Migrating Data from a Self-Managed SQL Server Database on an ECS to an RDS for SQL Server DB Instance Scenarios You have created a Microsoft SQL Server database on an ECS. The self-managed SQL Server database version on the ECS cannot be later than the version of the RDS for SQL Server
Why Does a New Application Fail If a NodeManager Has Been in Unhealthy Status for 10 Minutes? Question Why does a new application fail if a NodeManager has been in unhealthy status for 10 minutes? Answer When nodeSelectPolicy is set to SEQUENCE and the first NodeManager connected
How Do I Do If the Application Operation Page Has Black Borders and Cannot Be Moved? Symptom The operation pages of some applications have black borders and cannot be moved. See Figure 1. Figure 1 Symptom example Solution Log in to the APS where the application is published as the
What Can I Do If Extended High-Concurrency Access Has Caused ClickHouse to Become Unavailable? Symptom There are too many concurrent ClickHouse requests, and new requests cannot be handled, affecting service availability. The error information is as follows: DB::Exception: Too many
Why Does a New Application Fail If a NodeManager Has Been in Unhealthy Status for 10 Minutes? Question Why does a new application fail if a NodeManager has been in unhealthy status for 10 minutes? Answer When nodeSelectPolicy is set to SEQUENCE and the first NodeManager connected
How Can I Obtain the Mapping Between Disk Partitions and Disk Devices on a Windows ECS? This section uses an ECS running Windows Server 2019 64-bit as an example to describe how to obtain the mapping between disk partitions and disk devices. For KVM or QingTian instances, see How
How Can I Obtain the Mapping Between Disk Partitions and Disk Devices on a Linux ECS? For a Xen ECS running Linux, its disk partitions correspond to disk devices. This section uses a Linux ECS running Red Hat Enterprise Linux 7 as an example to describe how to obtain the mapping between
Why Objects Are Not Copied to the Destination Bucket After the Cross-Region Replication Rule Has Been Created? If the function of synchronizing existing objects is not enabled for a cross-region replication rule, existing objects in a bucket will not be copied to the destination bucket
Will My Data Write Be Restricted When My OBS Package Has Been Used Up? No. An OBS bucket provides unlimited storage. Any usage beyond the package quota will be billed on a pay-per-use basis, but you can also purchase additional resource packages. For details, see Purchase of Additional
What Should I Do If the ECS Fails to Be Provisioned After I Have Paid the Order? After you have paid the order, if an SMS message is sent to your mobile phone indicating that the ECS fails to be provisioned, contact customer service of HUAWEI CLOUD at 4000-955-988. The customer service
Why Does an Authentication Failure Occurs After I Attempt to Remotely Log In to a Windows ECS? Symptom When a local computer running Windows attempts to access a Windows ECS using RDP (for example, MSTSC), an identity authentication failure occurs and the desired function is not supported
