# Incremental data replication - Check the Source Database Instance

```
mysql> show master status\G:
*************************** 1. row ***************************
             File: mysql-bin1.000002
         Position: 8541
     Binlog_Do_DB: 
 Binlog_Ignore_DB: 
Executed_Gtid_Set: 
1 row in set (0.00 sec)
```
```
mysql> show master status\G;
*************************** 1. row ***************************
             File: mysql-bin2.000002
         Position: 8277
     Binlog_Do_DB: 
 Binlog_Ignore_DB: 
Executed_Gtid_Set: 
1 row in set (0.00 sec)
```
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We also need to confirm whether the `MySQL` instance of the data source has enabled `binary` logging and record the location of the `binary files`. `GTID` is currently not required, but `binary` logging must be enabled.