有一个11g rac库,想修改实例1的memory_target参数,是调大。SQL> sho parameter target
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
archive_lag_target integer 0
db_flashback_retention_target integer 1440
fast_start_io_target integer 0
fast_start_mttr_target integer 0
memory_max_target big integer 65G
memory_target big integer 32G
parallel_servers_target integer 1536
pga_aggregate_target big integer 8G
sga_target big integer 16G
SQL>
SQL>
SQL> alter system set memory_target=40g sid='racdb1';
alter system set memory_target=40g sid='racdb1'
*
ERROR at line 1:
ORA-02097: parameter cannot be modified because specified value is invalid
ORA-00846: could not shrink MEMORY_TARGET to specified value 。不管是调大到40g还是50g都报这个错误,alert不生成日志,对实例2进行修改正常不报错。
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