Enabling achivelog mode in 12c RAC database

Below is the step by step procedure to enable archivelog mode in 12c RAC database:
[[email protected] ~]$ srvctl status database -d MYTESTDB
Instance MYTESTDB1 is running on node testsrv1
Instance MYTESTDB2 is running on node testsrv2

[[email protected] ~]$ srvctl stop database -d MYTESTDB
[[email protected] ~]$

SQL*Plus: Release 12.1.0.2.0 Production on Fri Oct 14 00:10:28 2016

Copyright (c) 1982, 2014, Oracle.  All rights reserved.

SQL> select instance_name,status from gv$instance;

INSTANCE_NAME    STATUS
—————- ————
MYTESTDB1          MOUNTED
MYTESTDB2          MOUNTED

SQL> archive log list;
Database log mode              No Archive Mode
Automatic archival             Disabled
Archive destination            /u01/app/oracle/product/12.1.0.2/dbhome_1/dbs/arch
Oldest online log sequence     32
Current log sequence           33

SQL> alter database archivelog;

Database altered.

SQL> alter system set log_archive_dest_1=’LOCATION=+FRA’ SCOPE=SPFILE;

SQL> exit

SQL> archive log list;
Database log mode              Archive Mode
Automatic archival             Enabled
Archive destination            +FRA
Oldest online log sequence     33
Next log sequence to archive   34
Current log sequence           34