Previous backups useless?
In the backup directory there are files that are from various dates, all the way to 7-6-2005. "report obsolete" doesn't mention these files. Our RMAN scripts call "delete obsolete" every night. Why would this be happening?
We run level 0 incrementals once a week. The other days are level 1 incremental cumulatives. Using 9i.
Here is our RMAN configuration:
CONFIGURE RETENTION POLICY TO RECOVERY WINDOW OF 7 DAYS;
CONFIGURE BACKUP OPTIMIZATION ON;
CONFIGURE CONTROLFILE AUTOBACKUP ON;
CONFIGURE CONTROLFILE AUTOBACKUP FORMAT FOR DEVICE TYPE DISK TO 'D:\oracle\oradata\Backup\prodPerm\rman\%F.bck';
Once a week:
run {
sql "alter system checkpoint";
allocate channel prodPerm type disk format 'D:\oracle\oradata\Backup\prodperm\rman\b_%u_%p_%c.bak';
BACKUP INCREMENTAL LEVEL 0 DATABASE FILESPERSET 4;
BACKUP tag = "full archive backup" ARCHIVELOG ALL;
DELETE ARCHIVELOG UNTIL TIME 'SYSDATE-7';
release channel prodPerm;
crosscheck backup;
report need backup;
delete noprompt obsolete;
Rest of week:
run {
DELETE BACKUP COMPLETED BEFORE 'SYSDATE-7' DEVICE TYPE DISK;
sql "alter system checkpoint";
allocate channel prodPerm type disk format 'D:\oracle\oradata\Backup\prodperm\rman\b_%u_%p_%c.bak';
BACKUP INCREMENTAL LEVEL 1 CUMULATIVE DATABASE FILESPERSET 4;
BACKUP tag = "full archive backup" ARCHIVELOG ALL;
DELETE ARCHIVELOG UNTIL TIME 'SYSDATE-7';
release channel prodPerm;
crosscheck backup;
report need backup;
delete noprompt obsolete;
}
YEs, if list backup of archivelog all reports only file with Completion Time 02-FEB-06 to 09-FEB-06 you can remove them without problem. However you must be sure you are not in the situation mentioned in my first post (containing the metalink note).
Regarding your backup script: You never backed up a archivelog. You just tried to drop existing (if any) backups of archivelogs.
Here the demonstration
- I execute you command
- I list all backup to retrieve the last execute backup
- I check the contents (You will see that there are not archive)
RMAN> BACKUP INCREMENTAL LEVEL 0 DATABASE FILESPERSET 4;
Starting backup at 10-FEB-06
using channel ORA_DISK_1
channel ORA_DISK_1: starting incremental level 0 datafile backupset
channel ORA_DISK_1: specifying datafile(s) in backupset
including current SPFILE in backupset
including current controlfile in backupset
input datafile fno=00001 name=/db/ARON/fs1/system_d01_0.dbf
input datafile fno=00003 name=/db/ARON/fs1/user_s01_0.dbf
channel ORA_DISK_1: starting piece 1 at 10-FEB-06
channel ORA_DISK_1: finished piece 1 at 10-FEB-06
piece handle=/db/ARON/BACKUP/RMAN/backup_ARON_582026921_245_1_7lhb21l9_1_1.bck comment=NONE
channel ORA_DISK_1: backup set complete, elapsed time: 00:00:26
channel ORA_DISK_1: starting incremental level 0 datafile backupset
channel ORA_DISK_1: specifying datafile(s) in backupset
input datafile fno=00004 name=/db/ARON/fs1/undo_d01_0.dbf
input datafile fno=00002 name=/db/ARON/fs1/test_d01_0.dbf
channel ORA_DISK_1: starting piece 1 at 10-FEB-06
channel ORA_DISK_1: finished piece 1 at 10-FEB-06
piece handle=/db/ARON/BACKUP/RMAN/backup_ARON_582026947_246_1_7mhb21m3_1_1.bck comment=NONE
channel ORA_DISK_1: backup set complete, elapsed time: 00:00:25
Finished backup at 10-FEB-06
RMAN> list backup summary;
List of Backups
===============
Key TY LV S Device Type Completion Time #Pieces #Copies Tag
3207 B 0 A DISK 24-OCT-05 1 1 TAG20051024T163622
3208 B 0 A DISK 24-OCT-05 1 1 TAG20051024T163622
3221 B A A DISK 24-OCT-05 1 1 TAG20051024T163709
3240 B A A DISK 02-NOV-05 1 1 TAG20051102T225314
3241 B A A DISK 02-NOV-05 1 1 TAG20051102T225314
3261 B A A DISK 02-NOV-05 1 1 TAG20051102T225358
3265 B F A DISK 02-NOV-05 1 1 TAG20051102T225401
3360 B F A DISK 23-JAN-06 1 1 TAG20060123T172135
3374 B A A DISK 23-JAN-06 1 1 TAG20060123T194305
3397 B A A DISK 23-JAN-06 1 1 TAG20060123T194718
3404 B A A DISK 23-JAN-06 1 1 TAG20060123T194744
3443 B A A DISK 01-FEB-06 1 1 TAG20060201T164721
3444 B A A DISK 01-FEB-06 1 1 TAG20060201T164721
3450 B 0 A DISK 01-FEB-06 1 1 TAG20060201T164725
3451 B 0 A DISK 01-FEB-06 1 1 TAG20060201T164725
3464 B A A DISK 01-FEB-06 1 1 TAG20060201T164811
3468 B F A DISK 01-FEB-06 1 1 TAG20060201T164814
3472 B F A DISK 01-FEB-06 1 1 TAG20060201T164817
3524 B A A DISK 07-FEB-06 1 1 TAG20060207T130254
3543 B A A DISK 08-FEB-06 1 1 TAG20060208T200209
3547 B F A DISK 08-FEB-06 1 1 TAG20060208T200214
3559 B A A DISK 08-FEB-06 1 1 TAG20060208T200302
3563 B 1 A DISK 09-FEB-06 1 1 TAG20051024T163622
3583 B 0 A DISK 10-FEB-06 1 1 TAG20060210T100840
3584 B 0 A DISK 10-FEB-06 1 1 TAG20060210T100840
RMAN> list backup tag="TAG20060210T100840";
List of Backup Sets
===================
BS Key Type LV Size Device Type Elapsed Time Completion Time
3583 Incr 0 147M DISK 00:00:21 10-FEB-06
BP Key: 3585 Status: AVAILABLE Tag: TAG20060210T100840
Piece Name: /db/ARON/BACKUP/RMAN/backup_ARON_582026921_245_1_7lhb21l9_1_1.bck
SPFILE Included: Modification time: 07-FEB-06
List of Datafiles in backup set 3583
File LV Type Ckp SCN Ckp Time Name
1 0 Incr 7115707068 10-FEB-06 /db/ARON/fs1/system_d01_0.dbf
3 0 Incr 7115707068 10-FEB-06 /db/ARON/fs1/user_s01_0.dbf
BS Key Type LV Size Device Type Elapsed Time Completion Time
3584 Incr 0 11M DISK 00:00:23 10-FEB-06
BP Key: 3586 Status: AVAILABLE Tag: TAG20060210T100840
Piece Name: /db/ARON/BACKUP/RMAN/backup_ARON_582026947_246_1_7mhb21m3_1_1.bck
List of Datafiles in backup set 3584
File LV Type Ckp SCN Ckp Time Name
2 0 Incr 7115707077 10-FEB-06 /db/ARON/fs1/test_d01_0.dbf
4 0 Incr 7115707077 10-FEB-06 /db/ARON/fs1/undo_d01_0.dbf
RMAN> backup archivelog all delete input;
Starting backup at 10-FEB-06
current log archived
using channel ORA_DISK_1
channel ORA_DISK_1: starting archive log backupset
channel ORA_DISK_1: specifying archive log(s) in backup set
input archive log thread=1 sequence=54 recid=238 stamp=582026891
input archive log thread=1 sequence=55 recid=239 stamp=582026892
input archive log thread=1 sequence=56 recid=240 stamp=582026893
input archive log thread=1 sequence=57 recid=241 stamp=582026899
input archive log thread=1 sequence=58 recid=242 stamp=582026900
input archive log thread=1 sequence=59 recid=243 stamp=582027039
channel ORA_DISK_1: starting piece 1 at 10-FEB-06
channel ORA_DISK_1: finished piece 1 at 10-FEB-06
piece handle=/db/ARON/BACKUP/RMAN/backup_ARON_582027040_247_1_7nhb21p0_1_1.bck comment=NONE
channel ORA_DISK_1: backup set complete, elapsed time: 00:00:02
channel ORA_DISK_1: deleting archive log(s)
archive log filename=/db/ARON/archiver/1_54.dbf recid=238 stamp=582026891
archive log filename=/db/ARON/archiver/1_55.dbf recid=239 stamp=582026892
archive log filename=/db/ARON/archiver/1_56.dbf recid=240 stamp=582026893
archive log filename=/db/ARON/archiver/1_57.dbf recid=241 stamp=582026899
archive log filename=/db/ARON/archiver/1_58.dbf recid=242 stamp=582026900
archive log filename=/db/ARON/archiver/1_59.dbf recid=243 stamp=582027039
Finished backup at 10-FEB-06Bye, Aron
Message was edited by:
Aron Tunzi
Sorry, by the demonstration I didn't see the line in your script that you include the archivelogs, too.
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http://pondini.org/TM/D3.html
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Hi,
I have decided to move my external USB disk from the Airport Extreme USB port to my computer USB port to speed up backups and restores.
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I have not changed computer name,
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thanks!Thanks for the replies,
I would like to move from a wired network TM backup to a local firewire/USB backup.
So the first error I have made is to have deleted the user directory in the Airport Extreme external USB disk: I have moved the TM sparse bundle file to the new location but I didn't noticed that other hidden files were there.
Second, I was unable to browse the older TM backups using TM and it seems that I cannot "browse other TM backups" using such TM option because the window were not showing me any drive.
I have then realized that I have to mount the sparse bundle to see it in such TM option: then it seems to work perfectly.
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I think it is also possible to fix by using the procedure listed in the previous link: I didn't try just because I don't want to spend more time on this issue and because I have not enough free space on other drives... but...
...it should be enought to:
1- connect a new drive to the computer;
2- mount the old TM sparse bundle image;
3- use SuperDuper to copy all contents of mounted sparse bundle image into the new attached drive;
contents of the sparse bundle image seems to be equal to the structure and names used by a new fresh backup on a local USB disk, so I suppose that it could work... if someone wants to try a tell if it is so... thanks! -
I use an external 500 GB WD hard drive for my Time-Machine backup.
Sometimes - several times - after i've disconnected the drive to go travelling, when i reconnect the external drive, Time Machine tries to resume but tells me there is not enough space on the drive, and to chose a bigger disk.
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Jean-Noel CozonHi Linc,
Thanks for getting back - if i understood correctly, the info you suggested i collect is hereunder ...
Jan 22 06:08:09 MBP-15 com.apple.backupd[4353]: Starting standard backup
Jan 22 06:08:10 MBP-15 com.apple.backupd[4353]: Backing up to: /Volumes/Time-Machine MBP15 Backup/Backups.backupdb
Jan 22 06:10:54 MBP-15 com.apple.backupd[4353]: No pre-backup thinning needed: 3.12 GB requested (including padding), 234.07 GB available
Jan 22 06:18:20 MBP-15 com.apple.backupd[4353]: Copied 28083 files (2.2 GB) from volume MBP-15.
Jan 22 06:21:57 MBP-15 com.apple.backupd[4353]: No pre-backup thinning needed: 3.13 GB requested (including padding), 231.88 GB available
Jan 22 06:29:10 MBP-15 com.apple.backupd[4353]: Copied 23509 files (2.2 GB) from volume MBP-15.
Jan 22 06:32:01 MBP-15 com.apple.backupd[4353]: Starting post-backup thinning
Jan 22 06:32:01 MBP-15 com.apple.backupd[4353]: No post-back up thinning needed: no expired backups exist
Jan 22 06:32:02 MBP-15 com.apple.backupd[4353]: Backup completed successfully.
Jan 22 07:08:09 MBP-15 com.apple.backupd[4474]: Starting standard backup
Jan 22 07:08:10 MBP-15 com.apple.backupd[4474]: Backing up to: /Volumes/Time-Machine MBP15 Backup/Backups.backupdb
Jan 22 07:10:52 MBP-15 com.apple.backupd[4474]: No pre-backup thinning needed: 3.13 GB requested (including padding), 231.88 GB available
Jan 22 07:18:26 MBP-15 com.apple.backupd[4474]: Copied 28091 files (2.2 GB) from volume MBP-15.
Jan 22 07:22:02 MBP-15 com.apple.backupd[4474]: No pre-backup thinning needed: 3.13 GB requested (including padding), 229.69 GB available
Jan 22 07:29:22 MBP-15 com.apple.backupd[4474]: Copied 23517 files (2.2 GB) from volume MBP-15.
Jan 22 07:32:14 MBP-15 com.apple.backupd[4474]: Starting post-backup thinning
Jan 22 07:32:14 MBP-15 com.apple.backupd[4474]: No post-back up thinning needed: no expired backups exist
Jan 22 07:32:15 MBP-15 com.apple.backupd[4474]: Backup completed successfully.
Jan 22 08:08:10 MBP-15 com.apple.backupd[4595]: Starting standard backup
Jan 22 08:08:10 MBP-15 com.apple.backupd[4595]: Backing up to: /Volumes/Time-Machine MBP15 Backup/Backups.backupdb
Jan 22 08:10:56 MBP-15 com.apple.backupd[4595]: No pre-backup thinning needed: 3.13 GB requested (including padding), 229.68 GB available
Jan 22 08:18:19 MBP-15 com.apple.backupd[4595]: Copied 28099 files (2.2 GB) from volume MBP-15.
Jan 22 08:21:50 MBP-15 com.apple.backupd[4595]: No pre-backup thinning needed: 3.14 GB requested (including padding), 227.49 GB available
Jan 22 08:29:18 MBP-15 com.apple.backupd[4595]: Copied 23525 files (2.2 GB) from volume MBP-15.
Jan 22 08:32:09 MBP-15 com.apple.backupd[4595]: Starting post-backup thinning
Jan 22 08:32:09 MBP-15 com.apple.backupd[4595]: No post-back up thinning needed: no expired backups exist
Jan 22 08:32:10 MBP-15 com.apple.backupd[4595]: Backup completed successfully.
Jan 22 09:08:09 MBP-15 com.apple.backupd[4716]: Starting standard backup
Jan 22 09:08:10 MBP-15 com.apple.backupd[4716]: Backing up to: /Volumes/Time-Machine MBP15 Backup/Backups.backupdb
Jan 22 09:10:55 MBP-15 com.apple.backupd[4716]: No pre-backup thinning needed: 3.13 GB requested (including padding), 227.49 GB available
Jan 22 09:18:48 MBP-15 com.apple.backupd[4716]: Copied 28107 files (2.2 GB) from volume MBP-15.
Jan 22 09:22:40 MBP-15 com.apple.backupd[4716]: No pre-backup thinning needed: 3.27 GB requested (including padding), 225.30 GB available
Jan 22 09:32:35 MBP-15 com.apple.backupd[4716]: Copied 23533 files (2.3 GB) from volume MBP-15.
Jan 22 09:35:25 MBP-15 com.apple.backupd[4716]: Starting post-backup thinning
Jan 22 09:35:25 MBP-15 com.apple.backupd[4716]: No post-back up thinning needed: no expired backups exist
Jan 22 09:35:26 MBP-15 com.apple.backupd[4716]: Backup completed successfully.
Jan 22 10:08:09 MBP-15 com.apple.backupd[4840]: Starting standard backup
Jan 22 10:08:10 MBP-15 com.apple.backupd[4840]: Backing up to: /Volumes/Time-Machine MBP15 Backup/Backups.backupdb
Jan 22 10:10:51 MBP-15 com.apple.backupd[4840]: No pre-backup thinning needed: 3.14 GB requested (including padding), 225.18 GB available
Jan 22 10:18:12 MBP-15 com.apple.backupd[4840]: Copied 28115 files (2.2 GB) from volume MBP-15.
Jan 22 10:21:49 MBP-15 com.apple.backupd[4840]: No pre-backup thinning needed: 3.14 GB requested (including padding), 222.99 GB available
Jan 22 10:29:05 MBP-15 com.apple.backupd[4840]: Copied 23541 files (2.2 GB) from volume MBP-15.
Jan 22 10:32:00 MBP-15 com.apple.backupd[4840]: Starting post-backup thinning
Jan 22 10:32:00 MBP-15 com.apple.backupd[4840]: No post-back up thinning needed: no expired backups exist
Jan 22 10:32:01 MBP-15 com.apple.backupd[4840]: Backup completed successfully.
Jan 22 11:08:09 MBP-15 com.apple.backupd[4963]: Starting standard backup
Jan 22 11:08:10 MBP-15 com.apple.backupd[4963]: Backing up to: /Volumes/Time-Machine MBP15 Backup/Backups.backupdb
Jan 22 11:10:53 MBP-15 com.apple.backupd[4963]: No pre-backup thinning needed: 3.14 GB requested (including padding), 222.82 GB available
Jan 22 11:18:10 MBP-15 com.apple.backupd[4963]: Copied 28123 files (2.2 GB) from volume MBP-15.
Jan 22 11:21:46 MBP-15 com.apple.backupd[4963]: No pre-backup thinning needed: 3.14 GB requested (including padding), 220.63 GB available
Jan 22 11:30:13 MBP-15 com.apple.backupd[4963]: Copied 23553 files (2.2 GB) from volume MBP-15.
Jan 22 11:33:03 MBP-15 com.apple.backupd[4963]: Starting post-backup thinning
Jan 22 11:33:03 MBP-15 com.apple.backupd[4963]: No post-back up thinning needed: no expired backups exist
Jan 22 11:33:04 MBP-15 com.apple.backupd[4963]: Backup completed successfully.
Currently, having once again yesterday flattened and restarted my T-M from scratch i probably overwrote all the backups since the last time i had to do that - and as long as i don't disconnect my external backup drive it seems OK now.
I'm a bit paranoid as i use my MBP both as my Mac, but also as my Virtual PC so i have a lot of technical and commercial data which i need to keep properly backed up.
Is it possible when i've ejected my TM backup disck, gone travelling, and then reconnected it some days later - that i am causing a new backup to start by hitting the 'Backup Now' command on the menu bar.... should i let TM pickup by itself automaticvally without porvoking a Backup Now command ?
Thanks in advance for any futher advice
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