Online backups on BIW systems, every update is logged?
Some years ago I was at an SAP BIW installation, they performed Oracle online backups dayly.
For some reason, they had to restore and recover DB, and after using an online backup as a restore basis, some indexes were not usable, because they had been updated without archive log information.
Finally, the easiest way for the system administator was using an offline backup.
I got to know there were some updates (not critical) not being logged in the DB, so online backups, as well as standby DB would not be as useful as on OLTP systems.
Does somebody know if this is or this is not the same nowadays? Is everything logged on a BW system? Is that a tunable configuration for some indexes? Is an online backup really useful after restoring and recovering?
Thanks very much for your experience and answers !!
Eva
Hello Eva,
> For some reason, they had to restore and recover DB, and after using an online backup as a restore basis, some indexes were not usable, because they had been updated without archive log information.
This behaviour is absolutely normal.
In a BW system the indexes are created / rebuild with the NOLOGGING clause, because of some performance reasons.
> Finally, the easiest way for the system administator was using an offline backup.
The easiest yes - but concurrently the worst one. He can identify the "new" indexes since the last online backup and only recreate this ones.
> Does somebody know if this is or this is not the same nowadays?
Yes the NOLOGGING clause is still used nowadays.
> Is everything logged on a BW system?Is that a tunable configuration for some indexes?
You can "deactivate" the NOLOGGING clause.. but then you can have some performance impacts in your BW load processes.
Check sapnote #442763 for the customizing.
> Is an online backup really useful after restoring and recovering?
Yes, of course .. the ONLINE backup is the preferred method.
If you recover your database with the BR*Tools .. your unusable indexes are automatically rebuild.
Check sapnote #849485 for that feature.
Regards
Stefan
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I have an online backup of a system.
(AIX - ORACLE)
If I restore the backup using Tivoli Storage Manager I still have to perform some actions to recover the database.
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> and it seems I can restore the logs using brtools (brrecover).
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http://help.sap.com/saphelp_nw04/helpdata/en/88/cadaca94734ae5b8ea3491f615741b/content.htm
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Online backup getting failed with error BR0278E - Invalid Argument
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BR0351I Restoring /oracle/RTP/sapbackup/.tape.hdr0
BR0355I from /dev/rmt3.1 ...
BR0241I Checking label on volume in device /dev/rmt3.1
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BR0226I Rewinding tape volume in device /dev/rmt3 ...
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Please go through below link
Re: onLine backup fails with error BR0278E
There is similar problem with the exact error you are facing for online backup and its solution is given in above link.
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Whether to take Offline (or) Online backup
Hi
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Edited by: Vani n on Jul 24, 2008 2:30 PM -
Database online backup issue after ERP 6.0 EHP4 update
Dear Folks!...
I have an issue with ERP 6.0 system with database oracle.
After performing EHP4 update unable to trigger online backup.
Shows bellow error message:
BR0280I BRBACKUP time stamp: 2009-07-10 14.53.10
BR0301E SQL error -1031 at location BrSapTspList-8, SQL statement:
'PREPARE stmt_1 STATEMENT FROM'
'SELECT TABSPACE FROM "SAPSR3".TSORA UNION SELECT INDSPACE FROM "SAPSR3".TSORA ORDER BY 1'
ORA-01031: insufficient privileges
BR0280I BRBACKUP time stamp: 2009-07-10 14.53.10
BR0307I Shutting down database instance RES ...
BR0280I BRBACKUP time stamp: 2009-07-10 14.53.17
BR0308I Shutdown of database instance RES successful
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BR0280I BRBACKUP time stamp: 2009-07-10 14.53.17
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It has been installed on Windows OS 64 bit AMD processor.And related to permissions of the folder was given completely.
Complete log Message:
BR0051I BRBACKUP 7.00 (39) BR0055I Start of database backup: beazhkrz.afd 2009-07-10 14.52.43
BR0484I BRBACKUP log file: G:\oracle\RES\sapbackup\beazhkrz.afd
BR0477I Oracle pfile G:\oracle\RES\102\database\initRES.ora created from spfile G:\oracle\RES\102\database\spfileRES.ora
BR0613I Database instance RES is shut down BR0329I Database instance RES will be opened now BR0280I BRBACKUP time stamp: 2009-07-10 14.52.45 BR0256I Enter 'c[ont]' to continue, 's[top]' to cancel BRBACKUP: BR0280I BRBACKUP time stamp: 2009-07-10 14.52.49 BR0257I Your reply: 'c' BR0259I Program execution will be continued...
BR0280I BRBACKUP time stamp: 2009-07-10 14.52.49 BR0304I Starting and opening database instance RES ...
BR0280I BRBACKUP time stamp: 2009-07-10 14.53.01 BR0305I Start and open of database instance RES successful
BR0101I Parameters
Name Value
oracle_sid RES
oracle_home G:\oracle\RES\102
oracle_profile G:\oracle\RES\102\database\initRES.ora
sapdata_home G:\oracle\RES
sap_profile G:\oracle\RES\102\database\initRES.sap
backup_mode ALL
backup_type offline
backup_dev_type disk
backup_root_dir Y:\Backup
compress no
disk_copy_cmd copy
cpio_disk_flags -pdcu
exec_parallel 0
system_info resadm RCIHWRES13V Windows 5.2 Build 3790 Service Pack 2 AMD64
oracle_info RES 10.2.0.4.0 8192 8188 87296881 RCIHWRES13V UTF8 UTF8
sap_info 701 SAPSR3 RES TEMPLICENSE R3_ORA INITIAL
make_info NTAMD64 OCI_10201_SHARE Dec 7 2008
command_line G:\usr\sap\RES\DVEBMGS13\exe\brbackup.exe -p initRES.sap -d disk -t offline -m all -k no -e 0 -l E -U
BR0116I ARCHIVE LOG LIST before backup for database instance RES
Parameter Value
Database log mode No Archive Mode
Automatic archival Disabled
Archive destination M:\oracle\RES\oraarch\RESarch
Archive format ARC%S_%R.%T
Oldest online log sequence 8185
Next log sequence to archive 8188
Current log sequence 8188 SCN: 87296881
Database block size 8192 Thread: 1
Current system change number 87304439 ResetId: 689356796
BR0118I Tablespaces and data files
Tablespace TS-Status F-Status File Size Id. Device Link Type MaxSize IncrSize BlkSize
PSAPSR3 ONLINE* ONLINE+ H:\ORACLE\RES\SAPDATA1\SR3_1\SR3.DATA1 2222989312 4 7 NOLINK FILE 10485760000 20971520 8192
PSAPSR3 ONLINE* ONLINE H:\ORACLE\RES\SAPDATA1\SR3_21\SR3.DATA21 2097160192 48 7 NOLINK FILE 0 0 8192
PSAPSR3 ONLINE* ONLINE H:\ORACLE\RES\SAPDATA1\SR3_22\SR3.DATA22 2097160192 49 7 NOLINK FILE 0 0 8192
PSAPSR3 ONLINE* ONLINE H:\ORACLE\RES\SAPDATA1\SR3_23\SR3.DATA23 2097160192 50 7 NOLINK FILE 0 0 8192
PSAPSR3 ONLINE* ONLINE H:\ORACLE\RES\SAPDATA1\SR3_24\SR3.DATA24 2097160192 58 7 NOLINK FILE 0 0 8192
PSAPSR3 ONLINE* ONLINE H:\ORACLE\RES\SAPDATA1\SR3_25\SR3.DATA25 2097160192 59 7 NOLINK FILE 0 0 8192
PSAPSR3 ONLINE* ONLINE H:\ORACLE\RES\SAPDATA1\SR3_26\SR3.DATA26 2097160192 60 7 NOLINK FILE 0 0 8192
PSAPSR3 ONLINE* ONLINE H:\ORACLE\RES\SAPDATA1\SR3_27\SR3.DATA27 2097160192 61 7 NOLINK FILE 0 0 8192
PSAPSR3 ONLINE* ONLINE H:\ORACLE\RES\SAPDATA1\SR3_28\SR3.DATA28 2097160192 62 7 NOLINK FILE 0 0 8192
PSAPSR3 ONLINE* ONLINE H:\ORACLE\RES\SAPDATA1\SR3_29\SR3.DATA29 2097160192 63 7 NOLINK FILE 0 0 8192
PSAPSR3 ONLINE* ONLINE+ H:\ORACLE\RES\SAPDATA1\SR3_2\SR3.DATA2 2243960832 5 7 NOLINK FILE 10485760000 20971520 8192
PSAPSR3 ONLINE* ONLINE H:\ORACLE\RES\SAPDATA1\SR3_30\SR3.DATA30 2097160192 64 7 NOLINK FILE 0 0 8192
PSAPSR3 ONLINE* ONLINE+ I:\ORACLE\RES\SAPDATA2\SR3_8\SR3.DATA8 2139103232 11 8 NOLINK FILE 10485760000 20971520 8192
PSAPSR3 ONLINE* ONLINE+ I:\ORACLE\RES\SAPDATA2\SR3_9\SR3.DATA9 2432704512 12 8 NOLINK FILE 10485760000 20971520 8192
PSAPSR3 ONLINE* ONLINE+ J:\ORACLE\RES\SAPDATA3\SR3_11\SR3.DATA11 2264932352 14 9 NOLINK FILE 10485760000 20971520 8192
PSAPSR3 ONLINE* ONLINE+ K:\ORACLE\RES\SAPDATA4\SR3_18\SR3.DATA18 2181046272 21 10 NOLINK FILE 10485760000 20971520 8192
PSAPSR3 ONLINE* ONLINE+ K:\ORACLE\RES\SAPDATA4\SR3_19\SR3.DATA19 2181046272 22 10 NOLINK FILE 10485760000 20971520 8192
PSAPSR3 ONLINE* ONLINE+ K:\ORACLE\RES\SAPDATA4\SR3_20\SR3.DATA20 2202017792 23 10 NOLINK FILE 10485760000 20971520 8192
PSAPSR3700 ONLINE+ ONLINE+ H:\ORACLE\RES\SAPDATA1\SR3700_1\SR3700.DATA1 2705334272 24 7 NOLINK FILE 10485760000 20971520 8192
PSAPSR3700 ONLINE+ ONLINE+ H:\ORACLE\RES\SAPDATA1\SR3700_2\SR3700.DATA2 2705334272 25 7 NOLINK FILE 10485760000 20971520 8192
PSAPSR3700 ONLINE+ ONLINE+ H:\ORACLE\RES\SAPDATA1\SR3700_3\SR3700.DATA3 2747277312 26 7 NOLINK FILE 10485760000 20971520 8192
PSAPSR3700 ONLINE+ ONLINE I:\ORACLE\RES\SAPDATA2\SR3700_20\SR3700.DATA20 2147491840 54 8 NOLINK FILE 0 0 8192
PSAPSR3700 ONLINE+ ONLINE J:\ORACLE\RES\SAPDATA3\SR3700_21\SR3700.DATA21 2147491840 55 9 NOLINK FILE 0 0 8192
PSAPSR3701 ONLINE* ONLINE H:\ORACLE\RES\SAPDATA1\SR3701_11\SR3701.DATA11 2097160192 72 7 NOLINK FILE 0 0 8192
PSAPSR3701 ONLINE* ONLINE H:\ORACLE\RES\SAPDATA1\SR3701_12\SR3701.DATA12 2097160192 73 7 NOLINK FILE 0 0 8192
PSAPSR3701 ONLINE* ONLINE I:\ORACLE\RES\SAPDATA2\SR3701_10\SR3701.DATA10 2097160192 71 8 NOLINK FILE 0 0 8192
PSAPSR3701 ONLINE* ONLINE I:\ORACLE\RES\SAPDATA2\SR3701_5\SR3701.DATA5 2097160192 66 8 NOLINK FILE 0 0 8192
PSAPSR3701 ONLINE* ONLINE I:\ORACLE\RES\SAPDATA2\SR3701_6\SR3701.DATA6 2097160192 67 8 NOLINK FILE 0 0 8192
PSAPSR3701 ONLINE* ONLINE I:\ORACLE\RES\SAPDATA2\SR3701_7\SR3701.DATA7 2097160192 68 8 NOLINK FILE 0 0 8192
PSAPSR3701 ONLINE* ONLINE I:\ORACLE\RES\SAPDATA2\SR3701_8\SR3701.DATA8 2097160192 69 8 NOLINK FILE 0 0 8192
PSAPSR3701 ONLINE* ONLINE I:\ORACLE\RES\SAPDATA2\SR3701_9\SR3701.DATA9 2097160192 70 8 NOLINK FILE 0 0 8192
PSAPSR3701 ONLINE* ONLINE K:\ORACLE\RES\SAPDATA4\SR3701_1\SR3701.DATA1 20971528192 44 10 NOLINK FILE 0 0 8192
PSAPSR3701 ONLINE* ONLINE L:\ORACLE\RES\SAPDATA5\SR3701_2\SR3701.DATA2 20971528192 45 11 NOLINK FILE 0 0 8192
PSAPSR3701 ONLINE* ONLINE L:\ORACLE\RES\SAPDATA5\SR3701_3\SR3701.DATA3 20971528192 46 11 NOLINK FILE 0 0 8192
PSAPSR3701 ONLINE* ONLINE L:\ORACLE\RES\SAPDATA5\SR3701_4\SR3701.DATA4 10485768192 47 11 NOLINK FILE 0 0 8192
PSAPSR3DB ONLINE* ONLINE+ K:\ORACLE\RES\SAPDATA4\SR3DB_1\SR3DB.DATA1 2097160192 41 10 NOLINK FILE 10485760000 20971520 8192
PSAPSR3DB ONLINE* ONLINE+ K:\ORACLE\RES\SAPDATA4\SR3DB_2\SR3DB.DATA2 2097160192 42 10 NOLINK FILE 10485760000 20971520 8192
PSAPSR3DB ONLINE* ONLINE+ K:\ORACLE\RES\SAPDATA4\SR3DB_3\SR3DB.DATA3 1048584192 43 10 NOLINK FILE 10485760000 20971520 8192
PSAPSR3USR ONLINE* ONLINE+ H:\ORACLE\RES\SAPDATA1\SR3USR_1\SR3USR.DATA1 20979712 40 7 NOLINK FILE 10485760000 20971520 8192
PSAPTEMP ONLINE# ONLINE+ I:\ORACLE\RES\SAPDATA2\TEMP_1\TEMP.DATA1 2097160192 -1 8 NOLINK FILE 10485760000 20971520 8192
PSAPUNDO ONLINE- ONLINE+ J:\ORACLE\RES\SAPDATA3\UNDO_1\UNDO.DATA1 8766103552 2 9 NOLINK FILE 10485760000 20971520 8192
SYSAUX ONLINE* ONLINE+ H:\ORACLE\RES\SAPDATA1\SYSAUX_1\SYSAUX.DATA1 251666432 3 7 NOLINK FILE 10485760000 20971520 8192
SYSTEM ONLINE* SYSTEM+ H:\ORACLE\RES\SAPDATA1\SYSTEM_1\SYSTEM.DATA1 1073750016 1 7 NOLINK FILE 10485760000 20971520 8192
BR0119I Redo log files
File Size Group Device Status Link Type
F:\ORACLE\RES\MIRRLOGA\LOG_G11M2.DBF 52429312 1 5 INUSE NOLINK FILE
E:\ORACLE\RES\ORIGLOGA\LOG_G11M1.DBF 52429312 1 4 INUSE NOLINK FILE
F:\ORACLE\RES\MIRRLOGB\LOG_G12M2.DBF 52429312 2 5 INUSE NOLINK FILE
E:\ORACLE\RES\ORIGLOGB\LOG_G12M1.DBF 52429312 2 4 INUSE NOLINK FILE
F:\ORACLE\RES\MIRRLOGA\LOG_G13M2.DBF 52429312 3 5 INUSE NOLINK FILE
E:\ORACLE\RES\ORIGLOGA\LOG_G13M1.DBF 52429312 3 4 INUSE NOLINK FILE
F:\ORACLE\RES\MIRRLOGB\LOG_G14M2.DBF 52429312 4 5 INUSE NOLINK FILE
E:\ORACLE\RES\ORIGLOGB\LOG_G14M1.DBF 52429312 4 4 INUSE NOLINK FILE
BR0120I Control files
File Size Id. Device Link Type
E:\oracle\RES\origlogA\cntrl\cntrlRES.dbf 14106624 0 4 NOLINK FILE
E:\oracle\RES\origlogB\cntrl\cntrlRES.dbf 14106624 0 4 NOLINK FILE
G:\oracle\RES\sapdata1\cntrl\cntrlRES.dbf 14106624 0 6 NOLINK FILE
BR0280I BRBACKUP time stamp: 2009-07-10 14.53.10
BR0301E SQL error -1031 at location BrSapTspList-8, SQL statement:
'PREPARE stmt_1 STATEMENT FROM' 'SELECT TABSPACE FROM "SAPSR3".TSORA UNION SELECT INDSPACE FROM "SAPSR3".TSORA ORDER BY 1'
ORA-01031: insufficient privileges
BR0280I BRBACKUP time stamp: 2009-07-10 14.53.10 BR0307I Shutting down database instance RES ...
BR0280I BRBACKUP time stamp: 2009-07-10 14.53.17 BR0308I Shutdown of database instance RES successful
BR0056I End of database backup: beazhkrz.afd 2009-07-10 14.53.10 BR0280I BRBACKUP time stamp: 2009-07-10 14.53.17
BR0054I BRBACKUP terminated with errors
Regards,
Venkata. -
Every time i connect my iphone to itunes and trying to do a backup or get the new update it says i have to restore my iphone. and then that doesnt work, i tried to reinstall itunes but it doesnt work. i get this all the time. fix it please.
iTunes states " There's a problem with your Iphone, please contact apple service center " Also i took my iphone to a local service man and he told me the IMEI code has been corrupted and there's nothing that can be done about it. Please help, if you have any solution.
Thank you -
How can I find out what my password on the computer is? I had to change it due to my teenagers helping themselves, and now every time there is a system update, I have to have the password, which I cannot remember or find. It then wants it every time I log in and pops up Key Chain Access as well. Very annoying. I do not have the disc to reload it and fear I would loose everything on my computer as there is also trouble with the back up system. Too many issues and not enough solutions. Many thanks in advance!
I do not have the disc to reload
Why not? You need your system dvds to troubleshoot & to reset/change passwords in view of your current OS listed in your profile.
You can get replacement System Install & Restore CD/DVDs from Apple's Customer Support - in the US, (800) 767-2775 - for a nominal S&H fee. You'll need to have the model and/or serial number of your Mac available.
If you're not in the US, you may need to go through the regional Apple Store that serves your location to find the contact number. Here's a list of links to all of those - http://store.apple.com/Catalog/US/Images/intlstoreroutingpage.html Another resource: International Support Phone #s.
===============
I have to have the password, which I cannot remember or find.
When selecting passwords, make sure it's one that you will NEVER forget AND no one else can figure out.
Old school--- > Print it out & keep in a safe place. A place that ONLY you know about AND never forget.
New school---> Get a password manager utility. Highly recommend 1Password which is shareware. Do a Google search for free password managers. -
i lost my itunes dat my system is updated.now wen i conncted iphone to my pc i did backup from "on this phone"tab i lost music wen i syncd how can i get my music back.ive nt dne back up to ny othr extrnl devices.
Rebooting computers does not cause files to disappear.
Goofy fonts do not encourage others to read or respond. -
What is the best online backup system to use for Mac?
What is the best online backup system to use for mac?
By online, do you mean backup to the cloud, where you pay a monthly fee for the service to host your data?
If this is the case, then there are a lot of services (do not know them all, but DropBox, CrashPlan, Carbonite, Mozy, SugarSync, come to mine, and that is not a complete list.
There are also services that allow you to backup over your home network or across the internet to your own storage. CrashPlan has this option (for free), and Transporter come to mind. CrashPlan talks to another computer also running CrashPlan that you own or have some control (could even be a friend or relatives computer). Transporter is hardware that you either provide some storage of your choice, or they will sell the unit with storage.
I'm mostly a CrashPlan to my own storage user. I backup to a Mac mini for my Mom (300 miles away) and Wife (she is local )
Can clarify your exact desires or needs. -
Change filelocation whilst migrating system using online backup (hom. systemcopy)
Hi all,
Situation:
I'm migrating (homogeneous systemcopy) a couple of systems running on windows / oracle to windows / oracle using an online backup created on the source system ((brbackup –c –p initSID.sap –u system/***** -t online) . This backup will be shipped to the target system. I also want to keep and apply the redologs from after this backup to the new target system.
I need to change driveletters:
old SAPDATA_HOME T:
new X:
old ORACLE_HOME E:
new G:
old oraarch P:
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Many thanks!
MarcelHello Marcel,
Note that when you run the target system installation, you will be running a fresh installation, but the only difference will be you will restore the database during the target system installation.
Therefore, you just need to set all new drive letters when SWPM request for them.
Regards,
Henrique Girardi
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Oracle Output: ORA-01031: insufficient privileges
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sqlcode 1031
Please advise.
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Thank you : )Just understand it gets pretty expensive after you exceed the free space. 2-5 GBs isn't much space.
Basic Backup
For some people Time Machine will be more than adequate. Time Machine is part of OS X. There are two components:
1. A Time Machine preferences panel as part of System Preferences;
2. A Time Machine application located in the Applications folder. It is
used to manage backups and to restore backups. Time Machine
requires a backup drive that is at least twice the capacity of the
drive being backed up.
3. Time Machine requires a backup drive that is at least double the
capacity of the drive(s) it backs up.
Alternatively, get an external drive at least equal in size to the internal hard drive and make (and maintain) a bootable clone/backup. You can make a bootable clone using the Restore option of Disk Utility. You can also make and maintain clones with good backup software. My personal recommendations are (order is not significant):
1. Carbon Copy Cloner
2. Get Backup
3. Deja Vu
4. SuperDuper!
5. Synk Pro
6. Tri-Backup
Visit The XLab FAQs and read the FAQ on backup and restore. Also read How to Back Up and Restore Your Files. For help with using Time Machine visit Pondini's Time Machine FAQ for help with all things Time Machine.
Although you can buy a complete external drive system, you can also put one together if you are so inclined. It's relatively easy and only requires a Phillips head screwdriver (typically.) You can purchase hard drives separately. This gives you an opportunity to shop for the best prices on a hard drive of your choice. Reliable brands include Seagate, Hitachi, Western Digital, Toshiba, and Fujitsu. You can find reviews and benchmarks on many drives at Storage Review.
Enclosures for FireWire and USB are readily available. You can find only FireWire enclosures, only USB enclosures, and enclosures that feature multiple ports. I would stress getting enclosures that use the Oxford chipsets especially for Firewire drives (911, 921, 922, for example.) You can find enclosures at places such as;
1. Cool Drives
2. OWC
3. WiebeTech
4. Firewire Direct
5. California Drives
6. NewEgg
All you need do is remove a case cover, mount the hard drive in the enclosure and connect the cables, then re-attach the case cover. Usually the only tool required is a small or medium Phillips screwdriver. -
Less redo generates at the time of online backup using RMAN
Hi,
can someone eleborate that why less redo generates at the time of RMAN online backup in comparison of manual hotbackup.
ThanksA manual hot backup (aka "OS backup" or "scripted backup") cannot handle fractured blocks. This happens when a backup command is copying out blocks from a datafile at the same time as DBWR is updating blocks. The Oracle Block Size (8KB) is generally a multiple of the OS Block size (512Bytes to 4KB or 8KB, depending on the filesystem / raw device and how the OS command copies blocks out). It is possible for DBWR to write 8KB and the OS backup utility to be concurrently reading the same Oracle block as, say, two different 4KB reads. The first half of the Oracle block may be read by one OS call and the second half by another OS call -- the two halves would be inconsistent with each other if Oracle were writing the database block at the same time.
(Therefore a restore of such a backup would give you an inconsistent -- i.e. fractured -- block, which would be logically corrupt).
In order to handle such issues, after a BEGING BACKUP is issued, for every first change to a database block, the whole block is written to the redo stream, not just the change vectors. (If the same database block is subsequently modified while in BACKUP mode, it is only the change vectors that have to be written to the redo stream). Once the END BACKUP is issued, the redo stream does not need to capture whole database blocks.
If such a backup is restored, it still has fractured blocks. However, when applying the ArchiveLogs generated during the Backup, each such fractured block is "automagically repaired" because a whole image is restored from the ArchiveLog. (Subsequent changes are replayed as changes through the change vectors).
Hemant K Chitale
http://hemantoracledba.blogspot.com
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