System altered.
SQL> shutdown immediate;
Database closed.
Database dismounted.
ORACLE instance shut down.
SQL> startup mount;
ORACLE instance started.
Total System Global Area 9620824064 bytes
Fixed Size 2229544 bytes
Variable Size 3288337112 bytes
Database Buffers 6308233216 bytes
Redo Buffers 22024192 bytes
Database mounted.
SQL> alter database archivelog;
alter database archivelog
*
ERROR at line 1:
ORA-01126: database must be mounted in this instance and not open in any instance
[2 節點]SQL> shutdown immediate;
Database closed.
Database dismounted.
ORACLE instance shut down.
[1 節點]SQL> alter database archivelog;
Database altered.
SQL> alter database open;
Database altered.
SQL> archive log list;
Database log mode Archive Mode
Automatic archival Enabled
Archive destination +ARC
Oldest _disibledevent="#0000f0">Next log sequence to archive 81
Current log sequence 81
SQL> alter system switch logfile;
System altered.
SQL> /
System altered.
[2 節點]SQL> startup;
ORACLE instance started.
Total System Global Area 9620824064 bytes
Fixed Size 2229544 bytes
Variable Size 3288337112 bytes
Database Buffers 6308233216 bytes
Redo Buffers 22024192 bytes
Database mounted.
Database opened.
SQL> alter system switch logfile;
System altered.
SQL> /
System altered.
驗證歸檔存在：
grid:/oracle11g/app/grid/log/gapsdb1/gipcd$asmcmd
ASMCMD> cd A*
ASMCMD> ls
GAPS32DB/
ASMCMD> cd G*
ASMCMD> ls
ARCHIVELOG/
ASMCMD> cd *
ASMCMD> ls
2013_08_13/
ASMCMD> cd 2*
ASMCMD> ls -lrt
WARNING:option 'r' is deprecated for 'ls'
please use 'reverse'
Type Redund Striped Time Sys Name
ARCHIVELOG UNPROT COARSE AUG 13 10:00:00 Y thread_1_seq_81.257.823342577
ARCHIVELOG UNPROT COARSE AUG 13 10:00:00 Y thread_1_seq_82.258.823342611
ARCHIVELOG UNPROT COARSE AUG 13 10:00:00 Y thread_2_seq_5.256.823342473
ARCHIVELOG UNPROT COARSE AUG 13 10:00:00 Y thread_2_seq_6.259.823342653
過程用文字表述即：
1.改歸檔目錄，alter system set log_archive_dest_1='LOCATION=+ARC' sid='*' scope=spfile;
2.停db1,db2
3.啓動db1或db2其中之一
4.startup mount
5.alter database archivelog;
6.alter database open;
7.啓動另一個實例，歸檔測試驗證