Back in time with rman ?
Hi,
I have a rman set of backups from an Oracle database. The database is ok, only the user wants to have that older stand of the data, so I must go back in time.
The rman script to generate the backups is as follows:
rman target sys/manager@EON1 catalog rman/rman@rman << EOF >> $LOG 2>&1
run {
configure retention policy to redundancy 2;
# debug on;
allocate channel d1 type disk;
backup incremental level 0
skip inaccessible filesperset 10 noexclude
format '/u0/oracle/backup/INCR_%s_%p'
database include current controlfile;
release channel d1;
sql 'alter system archive log current';
allocate channel d1 type disk;
backup skip inaccessible filesperset 50
format '/u0/oracle/backup/ARCH_%s_%p'
archivelog all delete all input;
release channel d1;
report obsolete;
delete noprompt obsolete;
allocate channel for maintenance type disk;
crosscheck backup;
release channel;
allocate channel for delete type disk;
delete noprompt expired backup;
release channel;
EOF
My database world is Sybase, a little bit Oracle skills too but no rman.
Can anybody describe me the steps to restore that backup set?
Thanks a lot.
Daniel S
1. shutdown and backup your database (!!!).
2. start in umount mode
3. rman target sys/manager@EON1 catalog rman/rman@rman
4. at the RMAN prompt perform a point in time restore/recover, e.q.:
restore database until time "to_date('19.01.2009 13:00:00','DD.MM.YYYY HH24:MI:SS')";
recover database until time "to_date('19.01.2009 13:00:00','DD.MM.YYYY HH24:MI:SS')";
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Hi
I have tested the codes too but it doesn't seem to be able to recover the database (including the tablespace which I have dropped). Why?
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run
allocate channel ch1 type disk;
sql 'alter system archive log current';
backup format '/backup/orcl/%d_t%t_s%s_p%p'
filesperset=4
database;
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RMAN > list backup;
File LV Type Ckp SCN Ckp Time Name
1 Full 4072944 06-JUL-05 /oracle/oradata/system01.dbf
8 Full 4072944 06-JUL-05 /oracle/oradata/tools01.dbf
12 Full 4072944 06-JUL-05 /oracle/oradata/test01.dbf
# Drop tablespace
drop tablespace test including contents;
# RMAN Recovery
shutdown immediate;
startup mount;
# time is set to after rman backup and before tablespace dropped
RMAN>
run {
set until time "to_date('06-07-2005 16:50:00','dd-mm-yyyy hh24:mi:ss')";
restore database;
recover database;
RMAN > list backup;
File LV Type Ckp SCN Ckp Time Name
1 Full 4072944 06-JUL-05 /oracle/oradata/system01.dbf
8 Full 4072944 06-JUL-05 /oracle/oradata/tools01.dbf
12 Full 4072944 06-JUL-05
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select substr(name,1,50),status
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It has now been three and a half weeks since my machine first began having major issues. This laptop has been to EasyServ twice and come back each time with new hardware-related issues. It has been taken to a Lenovo-approved warranty service provider, who acknowledged and reproduced the problem but was unable to repair it. I have called Lenovo's customer support number at least a dozen times and spent HOURS giving case reference numbers, explaining and REexplaining my issues, and waiting on hold. I have gotten little actual work done in these past weeks. I have reinstalled or reimaged Windows at LEAST 10 times. My school fieldwork requires me to have a working machine. I also enrolled in lynda.com's online tutorials for the month of May (through Duke University), but these extended, unresolved problems have cost me dearly. If there is anything that anyone on these forums can do, please help. Help me get my warranty honored. Please, help restore my faith in the Thinkpad legacy.
Thanks for your time.
Matt Hauger
IBM/Lenovo customer
Durham, North Carolina
Solved!
Go to Solution.TPFanControl reads the temperatures reported by your ThinkPad's "embedded controller"--which controls the fan speed. You can use it just for monitoring temperatures, you don't have to control the fan with it (read the documentation for the config file).
RMClock, among other things, plots cpu frequency, voltage and temperature vs. time. This can be useful to observe when your cpu is throttling itself to avoid overheating. You can also use RMClock to undervolt your cpu to lower temperatures. But you shouldn't have to do that to prevent the problems you're having.
mprime in torture test mode will stress your cpu and memory. You can run this while monitoring your system temperatures. At the very least, running the mprime torture test should quickly tell you whether your unwanted sleep is indeed correlated with cpu activity.
Results of Your Ideal Business-Class Laptop survey, concluded 2009-07-29.
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