Details
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New Feature
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Status: Open (View Workflow)
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Major
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Resolution: Unresolved
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None
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None
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any version
Description
Maxscale requires GTID repl for failover but servers show gtid by default. I would like a better display of information on this since if a slave is rebuilt and misconfigured with basic binlog_pos it at a glance looks like maxscale is heathy but is in fact no longer HA. This is disastrous if a master goes and stays down to get a replica promoted.
For usability a display like below is ideal to see what the current service status really is
[ACME] root@maxscale-1: etc # maxctrl list servers
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┌───────────┬──────────────┬──────┬─────────────┬─────────────────┬────────┬─────────────────┐
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│ Server │ Address │ Port │ Connections │ State │ GTID │ Monitor │
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├───────────┼──────────────┼──────┼─────────────┼─────────────────┼────────┼─────────────────┤
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│ fooshop-1 │ 131.21.1.185 │ 3306 │ 0 │ Master, Running │ 0-1-90 │ MariaDB-Monitor │
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├───────────┼──────────────┼──────┼─────────────┼─────────────────┼────────┼─────────────────┤
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│ fooshop-2 │ 131.21.1.248 │ 3306 │ 0 │ Slave, Running │ NOT USING GTID REPL │ MariaDB-Monitor │
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├───────────┼──────────────┼──────┼─────────────┼─────────────────┼────────┼─────────────────┤
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│ fooshop-3 │ 131.21.1.89 │ 3306 │ 0 │ Slave, Running │ NOT USING GTID REPL │ MariaDB-Monitor │
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└───────────┴──────────────┴──────┴─────────────┴─────────────────┴────────┴─────────────────┘
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The slaves here are clearly configured but ineligible for failover
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