RMAN Full Backup - All Application Connections Goes In Wait Mode
Aug 8, 2012
on our 10.2.0.5 database, when we run full backup, my system performance comes to an halt. we run full backup and then do a validate backup to validate the structure of the database etc. Database performance takes a hit and all of the application connections goes in wait mode: On ASH or AWR - this is the top wait i see:
RMAN backup & recovery I/O
Event % Event P1 Value, P2 Value, P3 Value % Activity Parameter 1 Parameter 2 Parameter 3
RMAN backup & recovery I/O 22.22 "1","32","2147483647" 21.79 count intr timeout
what can we do to over come this issue?
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Jan 28, 2011
I am tryign to run a split onlike full backup from the os useign the sap command which is linked to rman..Command that i am useing is ...
brbackup -u / -c force -t online_split -m full -p initBR1_onlinefull.sap
The backup goes thru but i get this erro on the end...
BR0522I 57 of 57 files/save sets processed by RMAN
BR0280I BRBACKUP time stamp: 2011-01-26 12.23.26
BR0505I Full database backup (level 0) using RMAN successful
BR0280I BRBACKUP time stamp: 2011-01-26 12.23.28
[code]...
Copyright (c) 1982, 2007, Oracle. All rights reserved.
RMAN>
connected to target database: BR1 (DBID=2250873886)
using target database control file instead of recovery catalog
RMAN> 2> 3> 4> 5> 6> 7> 8> 9> 10> 11> 12> 13> 14> 15> 16> 17> 18> 19> 20> 21> 22> 23> 24> 25> 26> 27> 28>
29> 30> 31> 32> 33> 34> 35> 36> 37> 38> 39> 40> 41> 42
[code]...
Recovery Manager complete.
ERR_RC: 1
BR0280I BRBACKUP time stamp: 2011-01-26 12.23.32
BR0279E Return code from 'brtools -f printcmd -U /oracle/BR1/sapbackup/..befcdgxn..cmd -C
/oracle/BR1/sapbackup/.befcdgxn.cmd | rsh scrbdefrmr207 /bin/sh -c "'LANG=C SHELL=/bin/sh/oracle/BR1/102_64/bin/rman
[code]...
I have check on the system .. There is not file like that but thwre on on the db i,e
eshtsm20:orabr1 88> pwd
/oracle/BR1/sapdata1/perfman_1
eshtsm20:orabr1 89> ls -ltr
total 102408
-rw-r----- 1 orabr1 dba 104865792 Aug 30 09:05 perfman.data1
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Jan 8, 2013
Does the full cold backup of rman include online redologs?
So that at the time of recovery when i restore the database the online redologs also restored to that point?
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Jul 22, 2013
I am trying to practice some RMAN configuration settings.Version 11.2.0.1OS - Linux X86-64 What i wanted to validate is if there is no level 0 backup of database taken, then the level 1 backup will be automatically backing up all the blocks of the database(similar to full backup). RMAN> report schema; Report of database schema for database with db_unique_name DB101 List of Permanent Datafiles
File Size(MB) Tablespace RB segs Datafile Name----1 300 SYSTEM +DATA/db101/datafile/system.257.8208254172 200 SYSAUX *** +DATA/ db101/ datafile/sysaux.268.8208254253 820 UNDOTBS1 *** +DATA/db101/datafile/undotbs1.261.8208254294 5000 TPCCTAB *** +DATA/ db101/ datafile/tpcctab.266.820832485 List of Temporary Files=File Size(MB) Tablespace Maxsize(MB) Tempfile Name---- 1 200..
[code]....
I am not sure what these input bytes are which is not matching with the database size(posted in the beginning of thread)? why it has to show as db full when i actually run a incremental?
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Nov 9, 2011
Environment:
oracle 10.2.0.1.0
Windows XP
I have taken the RMAN Full database backup through the following command.My database is in no archivelog mode.
AT RMAN prompt
Shutdown immediate;
Startup mount;
run
{
allocate channel c01 device type disk format 'd:
man_bkp est_%U';
allocate channel c02 device type disk format 'd:
man_bkp est_%U';
backup full database tag 'full_bkup_test_081111';
backup current controlfile;
backup spfile;
release channel c01;
release channel c02;
}
Now i have deleted my all controlfile and spfile/Pfile from the database.So how can i recover my SPfile and controlfile? i do not have autobackup on of SPfile/Controlfile.
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Feb 15, 2013
I am running full database backup it take 10hrs to complete.
Size of the database=590GB
Platform:Solaris 9
database version:10.2.0.5
using catalog database.
Is there any way to reduce the time ?
Is there any query to see how long does the backup runs?Monitor the backup time?
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Sep 10, 2012
7 of days ago Full backup has been taken to disk due to issues with tape devices.3 days ago tape devices have been fixed and we switched to CommVault managed tape backups. CommVault calls RMAN with following command:
run {
allocate channel ch1 type 'sbt_tape'
PARMS="SBT_LIBRARY=/usr/local/bin/simpana/Base/libobk.so,BLKSIZE=1048576,ENV=(CV_mmsApiVsn=2,CV_channelPar=ch1,ThreadCommandLine=BACKUP -jm 45 -a 2:71 -cl 9 -ins 9 -at 22 -j 294321 -jt 294321:4:1 -bal 1 -rcp 0 -ms 1 -data -ma 89 -cn oraclehost -vm Instance001)"
TRACE 0;
setlimit channel ch1 maxopenfiles 8;
backup
incremental level = 0
filesperset = 32
database
include current controlfile spfile ;
}
exit;
These backups done successfully.Then archivelog backup taken similar way.But when I issue RESTORE DATABASE PREVIEW SUMMARY; RMAN starts with Full backup set, though newer Incremental Level 0 ones are available.Why it does not use these newer ones?
Oracle 10.2.0.5 for Linux on IBM POWER
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Oct 1, 2012
How to clone database using RMAN FULL BACKUP on different machine? I do not wants to use DUPLICATE Command......
Is there any other way to clone DB? I am using Oracle 11g R1 on Windows Server 2007 (64 bit)
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Aug 26, 2010
I started restoring and testing all the backups. So far I did good and I wanted to restore and test in different host. I couldn't find any online documentation regarding restore full back up in a new different server (With same OS and same version of Oracle) without RMAN catalog database.
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Jun 8, 2012
I use windows 2003 server, oracle 10.2.0.4.0.My question is related to maintaing a standby database
1. Do we need to take RMAN full backup of standby database on a regular basis? At the moment I dont take backups of standby database.
2. I have FRA on standby database. The archivelogs from primary go to FRA on standby. I delete my archivelogs as follows:
DELETE ARCHIVELOG ALL COMPLETED BEFORE 'SYSDATE-3';
Though the archivelogs are delete there are still empty folders of archivelogs that are not deleted. How to get rid of them automatically.
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Nov 27, 2012
I configured recovery catalog and started Full online backup using EMC Networker. In EMC Networker I set three months policy to keep Backup.I didn't change redundancy.
CONFIGURE RETENTION POLICY TO REDUNDANCY 1; # default
My question is, if I need to restore Backup of last 15 days then I can ?.
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Mar 7, 2012
we have a situation where both undo tablespaces were almost filled i.e UNDOTBS1 99% and UNDOTBS2 100% filled so i add data files to it and then i found a lot of blocking session and was just killing them through EM then i stop my front end listener and also down the service, now i don't have any blocking session but on EM a big WAIT is coming. alert log shows nothing serious, it was showing deadlock but now it is over as well.
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Nov 9, 2009
We are migrating oracle froms from 4.5 to 6i both based on window and character mode.
We have successfully migrated all the form to 6i on Linux and it is running fine.
The problem is that the menus were setup with a Menu Style of "Full Screen" in 4.5. But when run in 6i, the menu's are displayed as a single row across the top of the screen.
Client is bit rigid to retain their menu style in character mode after migration to 6i without going for Web solution.
I want to know, whether we can achive the full screen menu at all or not in 6i and if we can achieve then how?
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May 24, 2012
I have a scenario like while taking the hot backup i forgot put end backup mode,at the same time one of user u1 updating some lacks of recordsinto the T1 table.at some time he wants rollback.and my redolog file size is very less.is it possible to rollback? if yes how?
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May 13, 2012
SQL> SELECT * FROM V$VERSION;
BANNER
----------------------------------------------------------------
Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - Prod
PL/SQL Release 10.2.0.1.0 - Production
CORE 10.2.0.1.0 Production
TNS for Linux: Version 10.2.0.1.0 - Production
NLSRTL Version 10.2.0.1.0 - Production
after i backup my database,i check the alert log ,i found the following errror:
Mon May 14 09:19:42 2012
Errors in file /u01/app/oracle/admin/szcargo/udump/szcargo_ora_26967.trc:
Mon May 14 09:19:42 2012
Errors in file /u01/app/oracle/admin/szcargo/udump/szcargo_ora_26967.trc:
Mon May 14 09:19:42 2012
Errors in file /u01/app/oracle/admin/szcargo/udump/szcargo_ora_26967.trc:
[code]....
the trace number 26967 :
[oracle@shenzhengair archivelog]$ cat /u01/app/oracle/admin/szcargo/udump/szcargo_ora_26967.trc
/u01/app/oracle/admin/szcargo/udump/szcargo_ora_26967.trc
Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - Production
With the Partitioning, OLAP and Data Mining options
ORACLE_HOME = /u01/app/oracle/product/10.2.0/db_1
[code]....
what does the error mean?
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Jan 29, 2011
online backup done thru RMAN.Suppose i am taking online backup of full database. During the backup, user's are inserting/deleting/modifying data. This data is getting stored as online archives. Once the database backup is finished, how these archives are applied to the database to make the database up to date.
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Dec 11, 2012
I am trying to look at wait events for a long running query in TOAD.I start the query on one instance of TOAD and open the Session Browser on another instance.But I am surprised to find that in "TOtal Waits" on the RHS-> SQL*Net message from client is the longest time taking and is already -> 178577 units whereas I have just started the query.
Whereas in the Current Waits it shows DB File Scattered Read currectly as some seconds.
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Dec 27, 2011
I am using the following query to determine if my rman backup succeeded for failed. I look for "COMPLETED WITH ERRORS"
col input_type format a10
col bck_hrs format 99.9 heading "Run|Time"
col status format a21
col end_dt format a20 heading "End|Time"
col mbytes_per_sec format 9,999 heading "Output|Rate|MB/sec"
[code]...
output
======
End Run Output Rate
INPUT_TYPE STATUS Time Time Size GB MB/sec
---------- --------------------- -------------------- ----- ---------- ------
ARCHIVELOG COMPLETED 2011-12-24 06:03:54 .5 189.4 106
DB INCR COMPLETED 2011-12-24 05:33:05 9.3 3,392.6 103
ARCHIVELOG COMPLETED 2011-12-23 10:12:27 .2 73.3 105
I know that the DB INCR is an INCR 0 backup but is there some way query I can join with my example above to tell me this is INCR 0 or FULL BKUP?
I was thinking maybe setting "COMMAND_ID" some text like INCR 0 or INCR 1 or FULL BKUP. Does that sound feasible
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May 13, 2012
my restore scenario bellow.
I have hot full backup that processed by NetBackup Policy. the backup policy are;
1.Full backup database in Monday. Daily_Monday_RMAN <- 1 volume pool=1 media
2.Full backup database in Tuesday .Daily_Tuesday_RMAN <- 1 volume pool=1 media
3.Full backup database in Wednesday. Daily_Wednesday_RMAN <- 1 volume pool=1 media
4.Full backup database in Thursday. Daily_Thursday_RMAN <- 1 volume pool=1 media
5.Full backup database in Friday. Daily_Friday_RMAN <- 1 volume pool=1 media
6.Full backup database in Saturday. Daily_Saturday_RMAN <- 1 volume pool=1 media
How to restore database from one of medias?
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May 9, 2011
if I could execute the 'ALTER DATABASE BEGIN/END BACKUP' while in NOARCHIVELOG MODE.
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May 6, 2013
resolving the below issue.
environment:
DB version:11.2.0.3.0
OS : IBM/AIX RISC System/6000
backup tool : Symantec net backup.
When I start RMAN backup through Symantec net backup tool same is failing. when I see in log file below error message is recorded in the same.
################################################################################
Starting backup at 06-MAY-13
channel ch00: starting compressed incremental level 0 datafile backup set
channel ch00: specifying datafile(s) in backup set
RMAN-03009: failure of backup command on ch00 channel at 05/06/2013 07:09:16
[Code]....
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03009: failure of backup command on ch00 channel at 05/06/2013 07:09:16
ORA-19602: cannot backup or copy active file in NOARCHIVELOG mode
RMAN> RMAN>
Recovery Manager complete.
####################################################################################
But, DB is up and operating fine with ARCHIVELOG mode at that movement not even restart also.
how to resolve.
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Oct 18, 2012
understanding rman scn based Backup Algorithm .. In SCN based backup do rman generate backup from archivelogs ???
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Jan 27, 2013
My RMAN backup failed with below error.
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03009: failure of sql command on default channel at 01/26/2013 22:48:56
RMAN-11003: failure during parse/execution of SQL statement: alter system archive log current
ORA-00258: manual archiving in NOARCHIVELOG mode must identify log
RMAN>
Recovery Manager complete.
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Jun 20, 2013
I'm testing out various RMAN restore/recovery scenarios for 10g R1. Took a full level-0 backup of one of our larger databases (16 tb) and I'm trying to restore the whole thing on another server. While the backup was running (for about a day & a half), a few datafiles were added. The backup completed fine, including "backup current controlfile;". Now my restore is failing with "RMAN-06023: no backup or copy of datafile xxxx found to restore", with reference to the 4 files that were added while the backup was in progress.
I guess if the datafiles were added after the backup had finished, we'd be fine because they'd be created during recovery with our archive logs (we have all of those).
I found some suggestions for first doing a "restore controlfile;" -- did that and it worked fine -- then mounting the database and creating the datafiles manually. I added that to my RMAN restore script and tried it, like so:
run {
allocate channel d4 type disk format '/BK01/dbX/stream1/df_%t_s%s_s%p' ;
sql "alter database create datafile ''/uXX/oradata/dbX/datafile_58.dbf''";
restore database ;
}
The datafiles were created successfully, and the restore began .. but then it failed with this:
creating datafile fno=4216 name=/uXX/oradata/dbX/datafile_58.dbf
...
RMAN-03002: failure of restore command at 06/20/2013 17:27:28
ORA-01119: error in creating database file '/uXX/oradata/dbX/datafile_58.dbf
ORA-27038: created file already exists
So RMAN seems to be telling me that if these 4 datafiles don't exist in the backupset, then RMAN won't automatically create them. But if I manually create them first, then RMAN will try to restore them and complain that they already exist. And for that matter, I would have expected that RMAN would be smart enough to detect that those 4 files were added while the backup was active, and just include them in the backup. Maybe there's something I needed to do to tell RMAN to do that?
This is just a test, so of course I can redo the backup from scratch and try again, but we have some pretty large databases which cannot be shut down for cold backups, so it's entirely possible this scenario could show up in a real disaster recovery. RMAN does such a good job of managing things.
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Jan 24, 2011
I have 2 seperate rman backup one backup is of only datafile ,spfile and controlfile which i am able to restore and recover without any problem say bkp1 taken at 10 am
other set of backup is of only archive log files of same day but later time than datafile backup say bkp2 taken at 8pm...if i restore and recover bkp1 and try to restore bkp2 it gives error datafile exist (possibly due to fact both backup have control file)
if i just restore bkp1 and try to restore bkp2 so that i can do one recover at time
it gives error datafile permission issue (possibly due to fact both backup have control file)
I want to restore database upto 8pm time how can i use both bkp1 and bkp2 to do it(restore datafiles and apply all archive logs on it)
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Jul 9, 2013
The customer wants the RMAN recovery catalog database to be highly available so that none of the RMAN database backup jobs are impacted at the time of taking the database backups. There are are 200+ databases running on OEL, RHEL and Windows. So we planned to host the recovery catalog database on Oracle Active DataGuard 11.2.0.1 Enterprise Edition on RedHat EL 5.8 version on two physical servers.
The Primary Instance will be in one server in the Primary DC and the Standby Instance will be on another server in another DC. Also all the database datafiles are hosted in ASM Diskgroups on SAN (DATA, FRA, REDO, ARCH diskgroups). Are there any specific RPM/patch/OS user custom/specific settings or configurations needed..?
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Aug 25, 2010
I have Oracle loaded on a server. I have three database instances - /db1, /db2, /db3. I want to put the database in backup mode before I take a backup copy of the three database instances.
Is the database put in backup mode just once and then the three instances can be backed up? Or does each instance need its own script to put the database in backup mode?
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Aug 7, 2013
I'm an application developer of an automotive company and developing a lot of database-based applications with either oracle forms or c#.Since we've moved from a 10g rac to 11g using a shared server configuration, the prevailing and overwhelming topic of addm performance analysis is "unusual network wait event" caused by virtual circuit waits. Therefore I cannot use grid control to detect bad sql as I could in 10g anymore, because all "tunable" sql is wiped out by virtual circuit wait.In top activity, I see virtual circuit wait on every type of statement (select, insert...) and pl/sql execution.
What do I have to do as an application developer to avoid virtual circuit waits? Especially in C#: we normally use auto committed dml statements and selects to fill either a datatable or generic list with a data reader. Usually we close a connection after each statement, but/and we are using connection pooling. How can such a activity cause virtual circuit waits? In Oracle Forms: Seems that we have a virtual circuit wait if we show sorted data in a block where not all records are fetched from database. It doesn't make sense to us to rewrite all blocks to always get all records due to performance reasons.
How do I have to write and execute my statements in C#, oracle forms and/or pl/sql to avoid virtual circuit wait?
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Aug 23, 2012
We are having 5 schemas in one database. Now we need to move Oracle server from one machine to another. I can take schema level back up using Export and Import in new server. I am not a DBA as we don't have a DBA I need to do this myself.
I want to know Is there an option to take full database back up including tablespaces and all the schemas in one shot. I read that RMAN is one option. But any option using EXP/IMP for same?
My plan is
-Take list of Tablespaces and create them in new server
-Take Exports of schemas from original server
-Create schemas and import the data in new server.
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Dec 30, 2011
after setting a full database backup and restore in noarchivelog mode , i would like to perform backup and restore just a tablespaces.
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