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In other scenarios, it is better to log in to an ECS using SSH. Cluster Node Overview Determining Active and Standby Management Nodes of MRS Manager You can log in to other nodes in the cluster from the Master node.
Non-service data can be stored in the OBS or other ECS nodes. The cluster nodes only run MRS cluster programs. Other client applications or user service programs are deployed on separate ECS nodes.
IP address of the Master node jobmanager.web.access-control-allow-origin: xx.xx.xxx.xxx,xx.xx.xxx.xxx,xx.xx.xxx.xxx jobmanager.web.allow-access-address: xx.xx.xxx.xxx,xx.xx.xxx.xxx,xx.xx.xxx.xxx NOTE: The service IP address of a node outside the cluster is the IP address of the ECS
MRS.201 Failed due to an ECS error. Try again later or contact customer service. MRS.202 Failed due to an IAM error. Try again later or contact customer service. MRS.203 Failed due to a VPC error. Try again later or contact customer service. MRS.400 MRS system error.
List of resolved issues in MRS 2.1.0.8: MRS Manager The problem that the ECS API traffic is limited when OBS is accessed through an agency has been solved. Multiple users can log in to MRS Manager at the same time. Full-link monitoring is supported.
For details, see Purchasing an ECS in Custom Config Mode. In subsequent operations, the MRS cluster client and MgC Agent need to be installed on different ECSs. Install an MRS cluster client. Install the MRS cluster client on the newly created Linux host.
Abnormal disaster Resources ALM-12099 core dump Occurred ALM-12100 AD Service Connection Failed ALM-12101 AZ Unhealthy ALM-12102 AZ HA Component Is Not Deployed Based on DR Requirements ALM-12103 Executor Resource Exception ALM-12104 Abnormal Knox Resources ALM-12110 Failed to get ECS
Node outside the cluster: Obtain the IP address of the ECS where the client is installed.
Figure 3 NameNode ID of the active node Log in to the ECS of any Master node and run the following command to configure environment variables: source /opt/Bigdata/client/bigdata_env If the Kerberos authentication is enabled for the current cluster, run the following command to authenticate
use the OBS encryption function in MRS, you must have the KMS Administrator permissions and configure the following settings for the corresponding component: If the OBS permission control function is enabled in a cluster, the default agency MRS_ECS_DEFAULT_AGENCY configured on the ECS
Node outside the cluster: IP address of the ECS where the client is installed.
For details about instance specifications, see ECS Specifications Used by MRS and BMS Specifications Used by MRS. You are advised to obtain the specifications supported by the corresponding version in the corresponding region from the cluster creation page on the MRS console.
Set the password for logging in to the cluster management page and ECS node, for example, Test!@12345. Confirm Password Enter the password of the Manager administrator again. Enter the password again.
On the ECS page, click Stop. In the displayed dialog box, select Forcibly stop the preceding ECSs and click Yes.
Key Pair See operation instructions in Querying SSH Key Pairs and Creating and Importing an SSH Key Pair in the ECS API Reference. Zone See Endpoints for details about regions and AZs. Version Currently, MRS 1.9.2, 3.1.0, 3.1.5, 3.1.2-LTS.3, and 3.2.0-LTS.1 are supported.
An agency allows ECS or BMS to manage MRS resources. You can configure an agency of the ECS type to automatically obtain the AK/SK to access OBS.
If no subnet is available under the VPC, click Create Subnet to create one. subnet-01 Kerberos Authentication Whether to enable Kerberos authentication for accessing the MRS cluster Enabled Password Password of the admin user of the Manager and the root user of the ECS node in the
For details, call the API. { "other" : { }, "name" : "MRS 3.1.0", "template_type" : "clusterFusion", "image_id" : "ECS:X86:deda7c89-6069-46d3-af7c-4afc31eec0d9,ECS:ARM:d5f0087b-9fd7-4977-b9c8-d07262f452d6,BMS:ks1ne:bf071a00-d1d6-472f-943b-22f733248f36,BMS:d2:a9a1a279-85c9-
If no subnet is available under the VPC, click Create Subnet to create one. subnet-01 Kerberos Authentication Whether to enable Kerberos authentication for accessing the MRS cluster Enabled Password Password of the admin user of the Manager and the root user of the ECS node in the
An agency allows ECS or BMS to manage MRS resources. You can configure an agency of the ECS type to automatically obtain the AK/SK to access OBS.
