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Oracle

1Z0-908 · Question #5

You have an InnoDB Cluster configured with three servers. Examine this command, which executes successfully: mysqldump -uroot -p -d mydatabase > mydatabase_backup.sql Due to data loss, the cluster…

The correct answer is B. Remove the @@GLOBAL.gtid_purged statement from the dump file. C. Create the backup by using the --set-gtid-purged=OFF option. https://scriptingmysql.wordpress.com/2013/07/18/mysql-creating-and-restoring-database- backups-with-mysqldump-and-mysql-enterprise-backup-part-1-of-2/

High Availability and Scalability

Question

You have an InnoDB Cluster configured with three servers. Examine this command, which executes successfully:

mysqldump -uroot -p -d mydatabase > mydatabase_backup.sql Due to data loss, the cluster is initialized and a restore is attempted resulting in this error:

ERROR 13176 (HY000) at line 23: Cannot update GTID_PURGED with the Group Replication plugin running Which two actions, either one of which, can fix this error and allow a successful restore of the cluster? (Choose two.)

Options

  • AStop all instances except the primary read/write master instance and run the restore.
  • BRemove the @@GLOBAL.gtid_purged statement from the dump file.
  • CCreate the backup by using the --set-gtid-purged=OFF option.
  • DRemove the group replication plugin from each instance before restoring.
  • ERemove the @@GLOBAL.gtid_executed statement from the dump file.
  • FRestore using the --set-gtid-purged=OFF option.

How the community answered

(49 responses)
  • A
    2% (1)
  • B
    59% (29)
  • D
    24% (12)
  • E
    4% (2)
  • F
    10% (5)

Explanation

https://scriptingmysql.wordpress.com/2013/07/18/mysql-creating-and-restoring-database- backups-with-mysqldump-and-mysql-enterprise-backup-part-1-of-2/

Topics

#InnoDB Cluster#GTID_PURGED#Group Replication#mysqldump restore

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