One master and one backup
Version: openGauss 3
Before switching:
Toggle:
Execute on the standby machine:
[omm@db10150 ~]$ gs_ctl switchover -D /my/openGauss/data/dn/
[omm@db10150 ~]$ gs_om -t refreshconf
Check the status after switching, the display is wrong
Executing the gs_checkperf command also reports ERROR: cannot execute DROP SCHEMA in a read-only transaction
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