[gmontee@slave ~]$ mysql -u root --execute="SHOW SLAVE STATUS\G"
*************************** 1. row ***************************
Slave_IO_State: Waiting for master to send event
Master_Host: 192.168.1.45
Master_User: repl
Master_Port: 3306
Connect_Retry: 60
Master_Log_File: master-bin.000022
Read_Master_Log_Pos: 359
Relay_Log_File: slave-relay-bin.000002
Relay_Log_Pos: 647
Relay_Master_Log_File: master-bin.000022
Slave_IO_Running: Yes
Slave_SQL_Running: Yes
Replicate_Do_DB:
Replicate_Ignore_DB:
Replicate_Do_Table:
Replicate_Ignore_Table:
Replicate_Wild_Do_Table:
Replicate_Wild_Ignore_Table:
Last_Errno: 0
Last_Error:
Skip_Counter: 0
Exec_Master_Log_Pos: 359
Relay_Log_Space: 944
Until_Condition: None
Until_Log_File:
Until_Log_Pos: 0
Master_SSL_Allowed: No
Master_SSL_CA_File:
Master_SSL_CA_Path:
Master_SSL_Cert:
Master_SSL_Cipher:
Master_SSL_Key:
Seconds_Behind_Master: 0
Master_SSL_Verify_Server_Cert: No
Last_IO_Errno: 0
Last_IO_Error:
Last_SQL_Errno: 0
Last_SQL_Error:
Replicate_Ignore_Server_Ids:
Master_Server_Id: 1
Master_SSL_Crl:
Master_SSL_Crlpath:
Using_Gtid: Slave_Pos
Gtid_IO_Pos: 1-1-34937,0-1-34,2-1-34804
[gmontee@slave ~]$ ls -l /var/lib/mysql/*relay*
-rw-rw----. 1 mysql mysql 592 Feb 26 11:27 /var/lib/mysql/localhost-relay-bin.000004
-rw-rw----. 1 mysql mysql 1652 Feb 26 17:23 /var/lib/mysql/localhost-relay-bin.000005
-rw-rw----. 1 mysql mysql 58 Feb 26 11:27 /var/lib/mysql/localhost-relay-bin.index
-rw-rw----. 1 mysql mysql 65 May 26 16:58 /var/lib/mysql/relay-log.info
-rw-rw----. 1 mysql mysql 297 May 26 16:58 /var/lib/mysql/slave-relay-bin.000001
-rw-rw----. 1 mysql mysql 647 May 26 16:58 /var/lib/mysql/slave-relay-bin.000002
-rw-rw----. 1 mysql mysql 50 May 26 16:58 /var/lib/mysql/slave-relay-bin.index
[gmontee@slave ~]$ sudo purge_relay_logs --user=root --disable_relay_log_purge
2015-05-26 17:51:35: purge_relay_logs script started.
DBD::mysql::st execute failed: Unknown system variable 'relay_log_info_repository' at /usr/share/perl5/vendor_perl/MHA/SlaveUtil.pm line 58.
[gmontee@slave ~]$ ls -l /var/lib/mysql/*relay*
-rw-rw----. 1 mysql mysql 592 Feb 26 11:27 /var/lib/mysql/localhost-relay-bin.000004
-rw-rw----. 1 mysql mysql 1652 Feb 26 17:23 /var/lib/mysql/localhost-relay-bin.000005
-rw-rw----. 1 mysql mysql 58 Feb 26 11:27 /var/lib/mysql/localhost-relay-bin.index
-rw-rw----. 1 mysql mysql 65 May 26 16:58 /var/lib/mysql/relay-log.info
-rw-rw----. 1 mysql mysql 297 May 26 16:58 /var/lib/mysql/slave-relay-bin.000001
-rw-rw----. 1 mysql mysql 647 May 26 16:58 /var/lib/mysql/slave-relay-bin.000002
-rw-rw----. 1 mysql mysql 50 May 26 16:58 /var/lib/mysql/slave-relay-bin.index
This also appears to fail even if a path to the relay log info file is explicitly defined:
[gmontee@slave ~]$ sudo purge_relay_logs --user=root --disable_relay_log_purge --relay_log_info=/var/lib/mysql/relay-log.info
2015-05-26 17:52:29: purge_relay_logs script started.
DBD::mysql::st execute failed: Unknown system variable 'relay_log_info_repository' at /usr/share/perl5/vendor_perl/MHA/SlaveUtil.pm line 58.
[gmontee@slave ~]$ ls -l /var/lib/mysql/*relay*
-rw-rw----. 1 mysql mysql 592 Feb 26 11:27 /var/lib/mysql/localhost-relay-bin.000004
-rw-rw----. 1 mysql mysql 1652 Feb 26 17:23 /var/lib/mysql/localhost-relay-bin.000005
-rw-rw----. 1 mysql mysql 58 Feb 26 11:27 /var/lib/mysql/localhost-relay-bin.index
-rw-rw----. 1 mysql mysql 65 May 26 16:58 /var/lib/mysql/relay-log.info
-rw-rw----. 1 mysql mysql 297 May 26 16:58 /var/lib/mysql/slave-relay-bin.000001
-rw-rw----. 1 mysql mysql 647 May 26 16:58 /var/lib/mysql/slave-relay-bin.000002
-rw-rw----. 1 mysql mysql 50 May 26 16:58 /var/lib/mysql/slave-relay-bin.index