Possible SwitchOver When Master & Slave status is "Maintenance"

[DB_190_nbc]

type=server

address=192.168.101.190

port=13306

protocol=MariadBBackend

priority=2

[DB_191_biznet]

type=server

address=192.168.101.191

port=13306

protocol=MariadBBackend

priority=1

[MariaDB-Monitor-testing]

type=monitor

module=mariadbmon

servers=DB_190_nbc,DB_191_biznet

user=maxscale

password=90AF8370A0805BCDBB221C772BA54755

monitor_interval=1000

auto_failover=false

detect_stale_master=true

failover_timeout=10

auto_rejoin=true

failcount=5

master_failure_timeout=2

verify_master_failure=true

switchover_timeout=90

replication_user=maxscale

replication_password=90AF8370A0805BCDBB221C772BA54755

detect_stale_slave=true

[Read-Write-Service-testing]

type=service

router=readwritesplit

servers=DB_190_nbc,DB_191_biznet

user=maxscale

password=90AF8370A0805BCDBB221C772BA54755

master_failure_mode=fail_on_write

strict_multi_stmt=false

use_sql_variables_in=master

master_reconnection=true

delayed_retry=true

delayed_retry_timeout=20

transaction_replay=true

max_sescmd_history=60

prune_sescmd_history=true

connection_timeout=36000

filters=Hint

[Read-Write-Listener-testing]

type=listener

service=Read-Write-Service-testing

protocol=MariadbClient

port=13306

authenticator=MariaDBAuth

authenticator_options=lower_case_table_names=true

maxadmin call command mariadbmon switchover MariaDB-Monitor-Test DB_191_biznet DB_190_nbc

"errors":[

  {

    "detail": "Slave catchup timed out on slave 'DB_191_biznet'."

  },

  {

    "detail": "Switchover DB_190_nbc -> DB_191_biznet failed."

  }

]