oracle rac 手动rebalance与暂停

• 以sysasm登录oracle

 1 [grid@dntodu001 ~]$ sqlplus / as sysasm
 2 
 3 SQL*Plus: Release 11.2.0.4.0 Production on Wed Dec 18 16:20:36 2019
 4 
 5 Copyright (c) 1982, 2013, Oracle.  All rights reserved.
 6 
 7 
 8 Connected to:
 9 Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production
10 With the Real Application Clusters and Automatic Storage Management options

• 手动平衡data_dg

1 SQL> alter diskgroup data_dg  rebalance power 5;
2 
3 Diskgroup altered.

• 观察状态

1 SQL> select group_number,operation,state,power from v$asm_operation;
2 
3 GROUP_NUMBER OPERA STAT      POWER
4 ------------ ----- ---- ----------
5            1 REBAL RUN           5

• 手动暂停rebalance，并观察

1 SQL> alter diskgroup data_dg  rebalance power 0;
2 
3 Diskgroup altered.
4 
5 SQL> select group_number,operation,state,power from v$asm_operation;  
6 
7 GROUP_NUMBER OPERA STAT      POWER
8 ------------ ----- ---- ----------
9            1 REBAL WAIT          0

• 继续rebalance

1 SQL> alter diskgroup data_dg  rebalance power 8;
2 
3 Diskgroup altered.
4 
5 SQL> select group_number,operation,state,power from v$asm_operation; 
6 
7 GROUP_NUMBER OPERA STAT      POWER
8 ------------ ----- ---- ----------
9            1 REBAL RUN           8

• rebalance结束

1 SQL> select group_number,operation,state,power from v$asm_operation;
2 
3 no rows selected