Problem background and phenomenon
The DBServer instance state is always considering.
Cause Analysis
Generally, the permissions of the files or directories in the data directory are incorrect. GaussDB requires that the file permissions be 600 and the directory permissions must be 700.
Solution
Step 1 Modify the permissions of the corresponding files and directories according to the above permission list.
Step 2 Restart the corresponding DBServer instance.
Problem background and phenomenon
The DBServer instance state is always in the receiving state and will not be restored after the restart.
Cause Analysis
The DBService component will monitor this file, /opt/huawei/Bigdata/dbservice/ha/module/harm/plugin/script/gsDB/.startGS.fail" If the value in this file is greater than 3, it will fail to start, NodeAgent Will always try to restart the instance, will still fail and this value will not increase once and will increase by one.
Solution
Step 1 Log in to the FusionInsight Manager management interface.
Step 2 Stop the DBServer instance.
Step 3 omm user logs in to the node where the DBServer instance is abnormal.
Step 4 Modify the value in the configuration file to change the value to 0.
Step 5 Start the DBServer instance.
