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TNS:could not resolve the connect identifier specified
Backtrace message unwound by exceptions
invalid identifier
PL/SQL compilation error
internal error
missing expression
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end-of-file on communication channel
TNS:listener unknown in connect descriptor
insufficient privileges
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target host or object does not exist
invalid number
unable to allocate string bytes of shared memory
resource busy and acquire with NOWAIT specified
error occurred at recursive SQL level string
ORACLE initialization or shutdown in progress
archiver error. Connect internal only, until freed
snapshot too old
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Credential retrieval failed
missing or invalid option
invalid username/password; logon denied
unable to create INITIAL extent for segment
out of process memory when trying to allocate string bytes
shared memory realm does not exist
cannot insert NULL
TNS:unable to connect to destination
remote database not found ora-02019
exception encountered: core dump
inconsistent datatypes
no data found
TNS:operation timed out
PL/SQL: could not find program
existing state of packages has been discarded
maximum number of processes exceeded
error signaled in parallel query server
ORACLE instance terminated. Disconnection forced
TNS:packet writer failure
see ORA-12699
missing right parenthesis
name is already used by an existing object
cannot identify/lock data file
invalid file operation
quoted string not properly terminated

RE: RMAM duplicate database - until when?

Andy Rivenes


Hi Duncan, at least partly because of the problems your having I put two things in the backup log that help in these situations. The first is that I output the date and time at the beginning and end of the backup. The second is that I grab the "current" SCN with:

  $ORACLE_HOME/bin/sqlplus -s /NOLOG << STOP > /tmp/dbinfo.$$
COLUMN scn FORMAT 9999999999999999;
SELECT l.first_change# "SCN" FROM v\$log l WHERE l.status='CURRENT';
EXIT sql.sqlcode;

I'm not sure that this is better than the solutions offered, but it works for my purposes (it was originally added to synchronize backups for 10g AS prior to the availability of Application Guard, but that's another story).

And for most of the duplications that I do I use time rather than SCN. It's usually close enough and much less error prone (the error being not having all the backup archivelog files readily available on the restore machine). So the following is an Oracle9i disk based duplicate template script that restores based on time or SCN if that helps:

# Auxillary database must be started "nomount"
# Expects "log_file_name_convert" and "db_file_name_convert" to
# be set in the init.ora if not using "newname" commands
$ORACLE_HOME/bin/rman nocatalog target sys/pwd@alias log=dupdisk.log <<-EOF
connect auxiliary /
run {
# Note: Use of the following init.ora parameters avoids the need for explicit file renaming:
#  db_file_name_convert='/u01/oradata/dev','/u01/oradata/dupdev'
#  log_file_name_convert='/u01/oradata/dev','/u01/oradata/dupdev'
#set newname for datafile '/u01/oradata/dev/system01.dbf' to '/u01/oradata/dupdev/system01.dbf';
#set newname for datafile '/u01/oradata/dev/undotbs01.dbf' to '/u01/oradata/dupdev/undotbs01.dbf';
#set newname for datafile '/u01/oradata/dev/cwmlite01.dbf' to '/u01/oradata/dupdev/cwmlite01.dbf';
#set newname for datafile '/u01/oradata/dev/drsys01.dbf' to '/u01/oradata/dupdev/drsys01.dbf';
#set newname for datafile '/u01/oradata/dev/example01.dbf' to '/u01/oradata/dupdev/example01.dbf';
#set newname for datafile '/u01/oradata/dev/indx01.dbf' to '/u01/oradata/dupdev/indx01.dbf';
#set newname for datafile '/u01/oradata/dev/tools01.dbf' to '/u01/oradata/dupdev/tools01.dbf';
#set newname for datafile '/u01/oradata/dev/users01.dbf' to '/u01/oradata/dupdev/users01.dbf';
#set newname for datafile '/u01/oradata/dev/xdb01.dbf' to '/u01/oradata/dupdev/xdb01.dbf';
# Note: Set this in the init.ora as well!
set until time = '08-SEP-03 01:00';
#set until sequence = 2148 thread = 1;
# Uset NOFILENAMECHECK if duplicating to the same log and file names
duplicate target database to dupdev;
# nofilenamecheck
# group 1 ('/u01/oradata/dupdev/redo01.log') size 100m,
# group 2 ('/u01/oradata/dupdev/redo02.log') size 100m,
# group 3 ('/u01/oradata/dupdev/redo03.log') size 100m;

At 01:22 AM 12/22/2006, Lawie, Duncan wrote:
I don't believe I can safely subtract one from the SCN and expect it to be in an existing log - and I get the same error as with the higher number
Oracle Error:
ORA-01547: warning: RECOVER succeeded but OPEN RESETLOGS would get error below
ORA-01152: file 3 was not restored from a sufficiently old backup
ORA-01110: data file 3: '/data/oracle/TESTDBE30/u01/sysaux01.dbf'
Now that error doesn't make sense, as the file 3 has a higher SCN than 1 or 2 ...
SQL> select FILE#, CHECKPOINT_CHANGE# from v$datafile_header order by 1;
---------- ------------------
         1           45670185
         2           45670185
         3           45670188
Note that recovery works if I use the checkpoint_change# for file 3.  But this database was pretty static when it was backed up.

Andy Rivenes
Email: arivenes@llnl.gov