10.0.0.1

 SQL> select name,total_mb,free_mb from v$asm_diskgroup;

NAME                   TOTAL_MB    FREE_MB
-------------------- ---------- ----------
ARCH                     307200     307103
DATA                    2150400    1807373
OCR_VOT                   30720      30324
-----------------------------------------
 

 10.0.0.1

SQL> archive log list;
Database log mode              No Archive Mode
Automatic archival             Disabled
Archive destination            /u01/app/oracle/product/11.2.0/db/dbs/arch
Oldest online log sequence     1077
Current log sequence           1082
SQL>
--------------------------------------------
 

 10.0.0.1

SQL> show parameter archive

NAME                                 TYPE
------------------------------------ ---------------------------------
VALUE
------------------------------
archive_lag_target                   integer
0
log_archive_config                   string

log_archive_dest                     string

log_archive_dest_1                   string

log_archive_dest_10                  string

NAME                                 TYPE
------------------------------------ ---------------------------------
 

 10.0.0.1

 SQL> alter system set log_archive_dest_1='location=+ARCH' scope=spfile;

System altered.
------------------------------------------------------------------------

 10.0.0.1

SQL> shutdown immediate
Database closed.
Database dismounted.
ORACLE instance shut down.
---------------------------

 10.0.0.2

 SQL> shutdown immediate
Database closed.
Database dismounted.
ORACLE instance shut down.
-----------------------------

 10.0.0.1

 SQL> startup mount
ORACLE instance started.

Total System Global Area 1.0055E+10 bytes
Fixed Size                  2261888 bytes
Variable Size            2013269120 bytes
Database Buffers         8019509248 bytes
Redo Buffers               19742720 bytes
Database mounted.
-------------------------------------
 

 10.0.0.2

 SQL> startup mount
ORACLE instance started.

Total System Global Area 1.0055E+10 bytes
Fixed Size                  2261888 bytes
Variable Size            2013269120 bytes
Database Buffers         8019509248 bytes
Redo Buffers               19742720 bytes
Database mounted.
------------------------------------------

 10.0.0.1

 SQL> alter database archivelog;

Database altered.
-------------------------------------

 10.0.0.1

 SQL> alter database open；
-------------------------------
 

 10.0.0.2

 SQL> alter database open;

Database altered.
--------------------------------

 10.0.0.1

 SQL> archive log list;
Database log mode              Archive Mode
Automatic archival             Enabled
Archive destination            +ARCH
Oldest online log sequence     1077
Next log sequence to archive   1082
Current log sequence           1082
SQL>
---------------------------------

 10.0.0.2

 SQL> archive log list
Database log mode              Archive Mode
Automatic archival             Enabled
Archive destination            +ARCH
Oldest online log sequence     932
Next log sequence to archive   937
Current log sequence           937
-----------------------------------

 10.0.0.1

  alter system switch logfile;