slave-skip-errors = all = I don't care about my data.

You almost certainly do not want to be using this. Really the only use-case for this is skipping specific errors when there is no chance of getting it fixed, i.e. legacy applications. Even then it's not a great idea.

Rhys

About replication, I dont let it stop on duplicate keys, I prefer to use slave-skip-errors = all and let the primary key on the tables take care of duplicate records.

Replication will only stop if something is corrupted, which may be your case. Some position the the binlog got lost in the power outage and you will have to reposition the master slave binlog, probably loosing some data on one side.

[]s.

On Wed, Jul 4, 2018 at 8:02 AM, Guillaume Lefranc <guillaume@adishatz.net> wrote:

Hi Thomas,

Could you please show the output of SHOW SLAVE STATUS and SHOW VARIABLES LIKE 'gtid%' ?

Thanks

Guillaume Lefranc

signal18.io consulting

Le mer. 4 juil. 2018 à 12:31, Thomas Plant <thomas@plant.systems> a écrit :

Hello,

I'd have a question about MariaDB 10.1 replication, which has been
interrupted by a power outage in our datacenter.
We started the master server and had a duplicate id in a table on the
slave, so replication stopped. We did not have time to adjust this at
the moment, there were a lot of other systems to start and check if all
was alright.

Today I had time to look at the error, removed the duplicate ID from the
table and started the slave thread again using 'start slave;'.

But now I get another error:

Last_IO_Error: Got fatal error 1236 from master when reading data from
binary log: 'Error: connecting slave requested to start from GTID
0-2-2948175468, which is not in the master's binlog. Since the master's
binlog contains GTIDs with higher sequence numbers, it probably means
that the slave has diverged due to executing extra erroneous transactions'

Can this be resolved? Or will I have to start replication from scratch?

Greetings,
Thomas

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