Oracle Database 12c Release 1 (12.1.0.1.0) for Linux x86-64
OS: Redhat Linux 5 Update 8 64bit
1. 按官方手册，启用 varchar2 32k 支持
2. 使用 rman recover table 功能是，始终失败，报错如下：
RMAN-03015: error occurred in stored script Memory Script
RMAN-03009: failure of sql command on clone_default channel at 07/15/2013 13:03:14
RMAN-11003: failure during parse/execution of SQL statement: alter pluggable database PDB1 open read only
ORA-14693: The MAX_STRING_SIZE parameter must be EXTENDED.
3. 在未启用 varchar2 32k 支持时， rman recover table 成功。
经过多位朋友测试，均和我测试结果一致，证明是 Oracle 12.1.0.1.0 的Bug.
详细测试过程如下：
[oracle@AS5U8 trace]$ sqlplus gao/gao
SQL*Plus: Release 12.1.0.1.0 Production on Wed Jul 10 20:37:58 2013
Copyright (c) 1982, 2013, Oracle. All rights reserved.
Last Successful login time: Wed Jul 10 2013 19:34:02 +08:00
Connected to:
Oracle Database 12c Enterprise Edition Release 12.1.0.1.0 – 64bit Production
With the Partitioning, OLAP, Advanced Analytics and Real Application Testing options
一 建立测试表
SQL> create table t1 (id number(1));
Table created.
SQL> insert into t1 values(1);
1 row created.
SQL> insert into t1 values(2);
1 row created.
SQL> commit;
Commit complete.
SQL> select * from t1;
ID
———-
1
2
SQL> select to_char(sysdate,'yyyy-mm-dd hh24:mi:ss') from dual;
TO_CHAR(SYSDATE,'YY
——————-
2013-07-10 20:38:46
二 进行一次 全备
[oracle@AS5U8 /]$ rman target sys/oracle
Recovery Manager: Release 12.1.0.1.0 – Production on Wed Jul 10 20:39:00 2013
Copyright (c) 1982, 2013, Oracle and/or its affiliates. All rights reserved.
connected to target database: NAIL (DBID=902387349)
RMAN> backup database format '/u01/backup/bak_%f';
Starting backup at 10-JUL-13
using target database control file instead of recovery catalog
allocated channel: ORA_DISK_1
channel ORA_DISK_1: SID=53 device type=DISK
channel ORA_DISK_1: starting full datafile backup set
channel ORA_DISK_1: specifying datafile(s) in backup set
input datafile file number=00001 name=/u01/product/oradata/nail/system01.dbf
input datafile file number=00003 name=/u01/product/oradata/nail/sysaux01.dbf
input datafile file number=00004 name=/u01/product/oradata/nail/undotbs01.dbf
input datafile file number=00006 name=/u01/product/oradata/nail/users01.dbf
channel ORA_DISK_1: starting piece 1 at 10-JUL-13
channel ORA_DISK_1: finished piece 1 at 10-JUL-13
piece handle=/u01/backup/bak_6 tag=TAG20130710T203920 comment=NONE
channel ORA_DISK_1: backup set complete, elapsed time: 00:01:15
channel ORA_DISK_1: starting full datafile backup set
channel ORA_DISK_1: specifying datafile(s) in backup set
including current control file in backup set
including current SPFILE in backup set
channel ORA_DISK_1: starting piece 1 at 10-JUL-13
channel ORA_DISK_1: finished piece 1 at 10-JUL-13
piece handle=/u01/backup/bak_0 tag=TAG20130710T203920 comment=NONE
channel ORA_DISK_1: backup set complete, elapsed time: 00:00:01
Finished backup at 10-JUL-13
三 继续写数据
SQL> insert into t1 values(3);
1 row created.
SQL> insert into t1 values(4);
1 row created.
SQL> commit;
Commit complete.
SQL> select * from t1;
ID
———-
1
2
3
4
SQL> select to_char(sysdate,'yyyy-mm-dd hh24:mi:ss') from dual;
TO_CHAR(SYSDATE,'YY
——————-
2013-07-10 20:41:20
SQL>
四 删除表
SQL> drop table t1 purge;
Table dropped.
SQL> select to_char(sysdate,'yyyy-mm-dd hh24:mi:ss') from dual;
TO_CHAR(SYSDATE,'YY
——————-
2013-07-10 20:41:56
五 RMAN 恢复 （报错）
[oracle@AS5U8 /]$ rman target sys/oracle
RMAN> recover table 'GAO'.'T1'
2> until time "to_date('2013-07-10 20:41:20','yyyy-mm-dd hh24:mi:ss')"
3> auxiliary destination '/tmp/recover'
4> remap table 'GAO'.'T1':'R_T1';
Starting recover at 10-JUL-13
using target database control file instead of recovery catalog
current log archived
allocated channel: ORA_DISK_1
channel ORA_DISK_1: SID=52 device type=DISK
RMAN-05026: WARNING: presuming following set of tablespaces applies to specified Point-in-Time
List of tablespaces expected to have UNDO segments
Tablespace SYSTEM
Tablespace UNDOTBS1
Creating automatic instance, with SID='scob'
initialization parameters used for automatic instance:
db_name=NAIL
db_unique_name=scob_pitr_NAIL
compatible=12.1.0.0.0
db_block_size=8192
db_files=200
sga_target=1G
processes=80
diagnostic_dest=/u01/product
db_create_file_dest=/tmp/recover
log_archive_dest_1='location=/tmp/recover'
#No auxiliary parameter file used
starting up automatic instance NAIL
Oracle instance started
Total System Global Area 1068937216 bytes
Fixed Size 2296576 bytes
Variable Size 281019648 bytes
Database Buffers 780140544 bytes
Redo Buffers 5480448 bytes
Automatic instance created
contents of Memory Script:
{
# set requested point in time
set until time "to_date('2013-07-10 20:41:20','yyyy-mm-dd hh24:mi:ss')";
# restore the controlfile
restore clone controlfile;
# mount the controlfile
sql clone 'alter database mount clone database';
# archive current online log
sql 'alter system archive log current';
}
executing Memory Script
executing command: SET until clause
Starting restore at 10-JUL-13
allocated channel: ORA_AUX_DISK_1
channel ORA_AUX_DISK_1: SID=19 device type=DISK
channel ORA_AUX_DISK_1: starting datafile backup set restore
channel ORA_AUX_DISK_1: restoring control file
channel ORA_AUX_DISK_1: reading from backup piece /u01/backup/bak_0
channel ORA_AUX_DISK_1: piece handle=/u01/backup/bak_0 tag=TAG20130710T203920
channel ORA_AUX_DISK_1: restored backup piece 1
channel ORA_AUX_DISK_1: restore complete, elapsed time: 00:00:01
output file name=/tmp/recover/NAIL/controlfile/o1_mf_8xtov6rw_.ctl
Finished restore at 10-JUL-13
sql statement: alter database mount clone database
sql statement: alter system archive log current
contents of Memory Script:
{
# set requested point in time
set until time "to_date('2013-07-10 20:41:20','yyyy-mm-dd hh24:mi:ss')";
# set destinations for recovery set and auxiliary set datafiles
set newname for clone datafile 1 to new;
set newname for clone datafile 4 to new;
set newname for clone datafile 3 to new;
set newname for clone tempfile 1 to new;
# switch all tempfiles
switch clone tempfile all;
# restore the tablespaces in the recovery set and the auxiliary set
restore clone datafile 1, 4, 3;
switch clone datafile all;
}
executing Memory Script
executing command: SET until clause
executing command: SET NEWNAME
executing command: SET NEWNAME
executing command: SET NEWNAME
executing command: SET NEWNAME
renamed tempfile 1 to /tmp/recover/NAIL/datafile/o1_mf_temp_%u_.tmp in control file
Starting restore at 10-JUL-13
using channel ORA_AUX_DISK_1
channel ORA_AUX_DISK_1: starting datafile backup set restore
channel ORA_AUX_DISK_1: specifying datafile(s) to restore from backup set
channel ORA_AUX_DISK_1: restoring datafile 00001 to /tmp/recover/NAIL/datafile/o1_mf_system_%u_.dbf
channel ORA_AUX_DISK_1: restoring datafile 00004 to /tmp/recover/NAIL/datafile/o1_mf_undotbs1_%u_.dbf
channel ORA_AUX_DISK_1: restoring datafile 00003 to /tmp/recover/NAIL/datafile/o1_mf_sysaux_%u_.dbf
channel ORA_AUX_DISK_1: reading from backup piece /u01/backup/bak_6
channel ORA_AUX_DISK_1: piece handle=/u01/backup/bak_6 tag=TAG20130710T203920
channel ORA_AUX_DISK_1: restored backup piece 1
channel ORA_AUX_DISK_1: restore complete, elapsed time: 00:01:05
Finished restore at 10-JUL-13
datafile 1 switched to datafile copy
input datafile copy RECID=4 STAMP=820442798 file name=/tmp/recover/NAIL/datafile/o1_mf_system_8xtovfo7_.dbf
datafile 4 switched to datafile copy
input datafile copy RECID=5 STAMP=820442798 file name=/tmp/recover/NAIL/datafile/o1_mf_undotbs1_8xtovfp8_.dbf
datafile 3 switched to datafile copy
input datafile copy RECID=6 STAMP=820442798 file name=/tmp/recover/NAIL/datafile/o1_mf_sysaux_8xtovfp0_.dbf
contents of Memory Script:
{
# set requested point in time
set until time "to_date('2013-07-10 20:41:20','yyyy-mm-dd hh24:mi:ss')";
# online the datafiles restored or switched
sql clone "alter database datafile 1 online";
sql clone "alter database datafile 4 online";
sql clone "alter database datafile 3 online";
# recover and open database read only
recover clone database tablespace "SYSTEM", "UNDOTBS1", "SYSAUX";
sql clone 'alter database open read only';
}
executing Memory Script
executing command: SET until clause
sql statement: alter database datafile 1 online
sql statement: alter database datafile 4 online
sql statement: alter database datafile 3 online
Starting recover at 10-JUL-13
using channel ORA_AUX_DISK_1
starting media recovery
archived log for thread 1 with sequence 15 is already on disk as file /u01/archvielog/1_15_820430616.dbf
archived log file name=/u01/archvielog/1_15_820430616.dbf thread=1 sequence=15
media recovery complete, elapsed time: 00:00:01
Finished recover at 10-JUL-13
sql statement: alter database open read only
Removing automatic instance
shutting down automatic instance
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-00601: fatal error in recovery manager
RMAN-03004: fatal error during execution of command
RMAN-10041: Could not re-create polling channel context following failure.
RMAN-10024: error setting up for rpc polling
RMAN-10005: error opening cursor
RMAN-10002: ORACLE error: ORA-03114: not connected to ORACLE
RMAN-03002: failure of recover command at 07/10/2013 20:46:44
RMAN-06136: ORACLE error from auxiliary database: ORA-03114: not connected to ORACLE
RMAN-03015: error occurred in stored script Memory Script
RMAN-03009: failure of sql command on clone_default channel at 07/10/2013 20:46:44
RMAN-11003: failure during parse/execution of SQL statement: alter database open read only
ORA-01092: ORACLE instance terminated. Disconnection forced
ORA-14693: The MAX_STRING_SIZE parameter must be EXTENDED.
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