remove automatic archivelog
Hello everyone.
I would be grateful if someone could confirm if my understanding of the below is correct.
Let's say we have an application that stores its data in Oracle database 11 g 2.
RMAN parameters are:
CONFIGURE REDUNDANCY 1 RETENTION STRATEGY; # by default
CONFIGURE BACKUP OPTIMIZATION # by default
SET UP DEFAULT DISK DEVICE TYPE; # by default
CONFIGURE CONTROLFILE AUTOBACKUP ON;
CONFIGURE CONTROLFILE AUTOBACKUP FORMAT FOR DEVICE TYPE DISK TO "%F" # by default
SET UP THE DEVICE TYPE DISK PARALLELISM BACKUPSET BACKUP TYPE COMPRESSED 4;
CONFIGURE BACKUP OF DATA TO DISK FILE TYPE DEVICE TO 1; # by default
CONFIGURE BACKUP ARCHIVELOG FOR DEVICE TYPE DISK TO 1; # by default
CONFIGURE MAXSETSIZE TO UNLIMITED; # by default
CONFIGURE ENCRYPTION OF DATABASE # by default
CONFIGURE THE ENCRYPTION ALGORITHM "AES128"; # by default
CONFIGURE COMPRESSION ALGORITHM 'BASIC' AND 'DEFAULT' LIBERATION OPTIMIZE FOR TRUE LOAD; # by default
CONFIGURE THE NONE ARCHIVELOG DELETION POLICY; # by default
The application raises backups using RMAN script once per week serving as archivelogs and obsolete backups. Let's say that, at a given time (for some reason any), backups start to fail. Archivelogs you will develop and will not be purged because Oracle will not be one of them as being obsolete (all archivelogs will be required to perform the recovery since the last successful backup).
Archivelogs continues to grow until DB_RECOVERY_FILE_ _Dest_size is reached and a few DB point will be national
Please correct if I am wrong up to that point.
At the bottom of the documentation:
Configuration of RMAN environment
"Restoring archived logs can be automatically deleted by the database or RMAN commands initiated by the user. Only newspapers in the field of quick recovery can be deleted automatically by the database. For files recovery logs stored in the area of fast recovery, the database keeps them as long as possible and automatically removes the qualifying newspapers when additional disk space is needed. »
Because newspapers are not eligible for deletion (they are required for recovery since the last backup) in archive scenario above they will not be removed automatically.
I'm looking for possible ways to prevent DB suspended due to filling FRA archive logs.
My question is:
1. is it possible to change the RMAN parameters above so that the archive logs are automatically disabled in above scenario? (It is acceptable to lose the ability to recover the database) or the only way is to create the RMAN script which will remove for example with force newspapers to archive older then a week. ?
Thank you
Greg
I don't know if I understand your environment, but have answered your question, you can do a RMAN script with something like this "DELETE NOPROMPT ARCHIVELOG ALL"; scheduled to run hourly, daily (the best option for your). I suggest to create a script to make a backup of the archivelogs with clause "delete entry" (if you have a physical backup), but you said "lose the possibility of recovering the database is acceptable.
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Remove the archivelogs with RMAN
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I usually remove archivelogs with RMAN with command as ' ARCHIVELOG DELETE ALL COMPLETED BEFORE ' SYSDATE - 1' if I have to erase the archivelogs to free the space of FRA.»»
My question is if I delete the archivelogs will it deletes the records in the catalog also (I think) so backed up on tape. In this case the catalogue is not information for these records even if they are on cassettes, correct?
So in the case of collection how can I restore them?
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Published by: 822424 on May 15, 2011 19:28The catalogue contains information about the backups.
Before you remove the archivelogs, I assume that you have done a BACKUP ARCHIVELOG (or with the database as a BACKUP database PLUS ARCHIVELOG DATA). Therefore, backups are in the BackupSets that are in the catalog.
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How to remove the archivelogs?
Dear Experts,
I am looking for a way to remove the logs from check-in through the RMAN backup, something like this command:
Entry to remove BACKUP ARCHIVELOG all until ' sysdate-5/24 ';
We are on Oracle 10 g Release 2 (10.2.0.3), IBM - AIX 5.3.
I want to keep to archivelog generated in the last 5 hours on the disc and let RMAN delete anything else older than that. When I use the above command, RMAN throw errors on my face:
I know RMAN DELETE command has, but we have problems when you use BACKUP and DELETE. We receive intermittent errors during the BACKUP command because of the Media Manager and the backup will fail. However, the RMAN script continues and luckily deletes logs archiving to drive whether saved or not.RMAN> BACKUP ARCHIVELOG all delete input until time 'sysdate-5/24'; RMAN-00571: =========================================================== RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS =============== RMAN-00571: =========================================================== RMAN-00558: error encountered while parsing input commands RMAN-01009: syntax error: found "until": expecting one of: "archivelog, backup, backupset, channel, copy, controlfilecopy, current, database, datafile, datafilecopy, delete, diskratio, db_recovery_file_dest, filesperset, format, from, force, include, keep, (, maxsetsize, noexclude, nokeep, not, pool, plus, reuse, recovery, ;, skip, spfile, setsize, tablespace, tag, to" RMAN-01007: at line 1 column 36 file: standard input RMAN>
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Concerning
Published by: Oracle Lover3 16 November 2008 23:45
OS & DB version addedYou can do the following:
backup archivelog all not backed up 1 times; delete noprompt archivelog all completed before 'sysdate-5/24' backed up 1 times to device type disk;
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Remove the archivelogs and old backups
Hi all
9i
RHEL5
I want to perform cleanup of disk space and maintenance for dataguard primary & standby server.
You can share me please the command to remove all old backups and more newspapers to archive already apply in primary db and standby?
I want to erase everything for primary and standby. I understand archiving logs generates a lot of files and the cause of the db to hang when space is full.
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rchem wrote:
Political suppression of archives Set and question delete archive the primary, it removes only the archives which are applied pending.
CONFIGURE ARCHIVELOG DELETION POLICY TO APPLIED ON ALL STANDBY;
Consult the manual for the removal of backup.
http://docs.Oracle.com/CD/B19306_01/backup.102/b14192/maint003.htm
Hello, this option is not available in 9i.
in standby mode, you can do something like:
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The log files can be removed automatically in the environment of the HA
Hi experts BDB.
I write db HA 4.6.21 the bdb version-based application. Two processes are running on two machines, a master who will be read/write db, one as a client/backup reads only the db. There is a thread in demon master who perform checkpoint all the 1 second: dbenv-> txn_checkpoint (dbenv, 1, 1, 0), and dbenv-> log_archive (dbenv, NULL, DB_ARCH_REMOVE) will be called after runnng checkpoint each time. The env has been opened with indicator: DB_CREATE | DB_INIT_TXN | DB_INIT_LOCK | DB_INIT_LOG | DB_REGISTER | DB_RECOVER | DB_INIT_MPOOL | DB_THREAD | DB_INIT_REP; Autoremove indicator has been defined: envp-> set_flags (uid_dbs.envp, DB_LOG_AUTOREMOVE, 1) before open env.
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There is a thread in demon master who perform checkpoint all the 1 second: dbenv-> txn_checkpoint (dbenv, 1, 1, 0), and dbenv-> log_archive (dbenv, NULL, DB_ARCH_REMOVE) will be called after runnng checkpoint each time. The env has been opened with indicator: DB_CREATE | DB_INIT_TXN | DB_INIT_LOCK | DB_INIT_LOG | DB_REGISTER | DB_RECOVER | DB_INIT_MPOOL | DB_THREAD | DB_INIT_REP; Autoremove indicator has been defined: envp-> set_flags (uid_dbs.envp, DB_LOG_AUTOREMOVE, 1) before open env.
I do not say that this is causing a problem, but make the DB_ENV-> log_archive (DB_ARCH_REMOVE) in your thread and setting DB_ENV-> set_flags (DB_LOG_AUTOREMOVE) are redundant. In your thread, you control the timing. The DB_ENV-> set_flags (DB_LOG_AUTOREMOVE) option checks and removes unnecessary log files when we create a new log file.
Have you seen in the documentation of DB_ENV-> set_flags (DB_LOG_AUTOREMOVE) we do not recommend do deleting files of automatic newspaper with replication? While this warning is not repeated in DB_ENV-> log_archive (DB_ARCH_REMOVE), it also applies to this option. You should review the use of this option, especially if it is possible that your customer could go down for a long time.
But it is a warning and automatic log removal should work. My first thought here is to ask if your client has recently experienced a synchronization? Internally, we block archive on the client during certain parts of a synchronization master to improve the chances that we will keep all records required by the sync client. We block archiving for 30 seconds after the client synchronization.
I found this thread https://forums.oracle.com/message/10945602#10945602 that discussed non-ha environment and I tested my code in an env without DB_INIT_REP non-ha, it worked. However in HA env these log files were never deleted.
This thread is to discuss a different issue. The reason for our BDB 4.6 warning against the use of automatic elimination of log with replication is that it only takes into account all sites in your replication group, so that we can remove a log of the master who always needs a client.
We added remove auto journal group that supports replication manager replication 5.3 BDB, and this discussion is about a change in the behavior of this addition. With this addition, we no longer need to recommend against the use of elimination automatic log with replication in BDB 5.3 and later versions.
Could help you in this matter? The customer needs to run checkpoint? Can it be a bug in the bdb?
I'm not sure that the customer needs to run its own control points, because it performs checkpoints when it receives control point of the master journal records.
But none of these options to delete log on the master does nothing to remove the logs on the client. You will need to do the following: to archive logs separately to the customer and the master.
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Dear friends,
I did all this and still see my archivelogs of March 2011
What should I do?
How should I go about this?configure retention policy to recovery window of 14 days; DELETE ARCHIVELOG ALL COMPLETED BEFORE 'SYSDATE-14'; delete obsolete archivelog all; delete expired archivelog all; DELETE COPY OF ARCHIVELOG ALL COMPLETED BEFORE 'SYSDATE-14';
Can I delete the files from the hard drive and then remove the obsolete archivelogs?
Please guide me!I think that these archives are not registered with the control file.
It can reside.Just check as below
SQL > select name from v$ archived_log where completion_time like '% MAR % ';
If discovered notfound from above. Then you can remove it manually.
Also
RMAN > delete archivelog all completed until 'sysdate-x ";
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It comes to my RMAN backup script.
I don't understand why RMAN does not delete files from archive local more than 3 days (RETENTION POLICY TO RECOVERY WINDOW OF 3 DAYS)
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{
allocate channel c1 type disk;
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}You can try
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http://download-West.Oracle.com/docs/CD/B19306_01/backup.102/b14192/maint003.htm
and post the result
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RMAN is not the removal of the archivelogs
Hi all
When I look at my archivelogs I can see that there are still some very old (+ 2 months ago) archivelogs.
If I look at RMAN with: list of the archivelogs all; they do not appear in RMAN-calatlog.
My retention policy is a 5 day recovery window.
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I also save the archivelogs daily.
After the backup, I run every day the following remove script
ALLOCATE CHANNEL C1 TYPE DISK; CROSSCHECK BACKUP; CROSSCHECK BACKUPSET; CROSSCHECK ARCHIVELOG ALL; CROSSCHECK DATAFILECOPY ALL; DELETE NOPROMPT OBSOLETE; DELETE NOPROMPT EXPIRED BACKUP;
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Hello
I don't understand why entries in the controlfile can crushed...
If you don't want to delete this information automaticly from controlfile you can increate
CONTROL_FILE_RECORD_KEEP_TIME value.Well when new record is come usable space will expand if there are not aged record.
Already as seen above used records reach to upper limit for archivelog.
So when the new record is coming, old folder will remove the controlfile. If the journal entry archive is older thanCONTROL_FILE_RECORD_KEEP_TIME value.
archivelog information
is a candidate for the removal of controlfile.Yasin
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