Script:RAC Failover检验脚本loop.sh

以下脚本可以用于验证RAC中FAILOVER的可用性:

loop.sh
  nohup sqlplus su/su@failover @verify.sql &
     sleep 1
  nohup sqlplus su/su@failover @verify.sql &
     sleep 1
  nohup sqlplus su/su@failover @verify.sql &
     sleep 1
  nohup sqlplus su/su@failover @verify.sql &
     sleep 1

verify.sql (检验SQL)
  REM  set pagesize 1000
  REM  the following query is for TAF connection verification
  col sid format 999
  col serial# format 9999999
  col failover_type format a13
  col failover_method format a15
  col failed_over format a11
  select sid, serial#, failover_type, failover_method, failed_over
    from v$session where username = 'SU';

  REM  the following query is for load balancing verification
  select instance_name from v$instance;
  exit

  REM you can also combine two queries:
  col inst_id format 999
  col sid format 999
  col serial# format 9999999
  col failover_type format a13
  col failover_method format a15
  col failed_over format a11

  select inst_id, sid, serial#, failover_type, failover_method,
         failed_over from gv$session where username = 'SU';

  REM  a simple select to see the distribution of users when testing 
  REM  connection load balancing

  select inst_id, count(*) from gv$session group by inst_id;

用法:
./loop.sh

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