Restore cumulative incremental level 0 and cumulative incremental level 1 backups on a new host (not available Archivelogs)
Hi guys, I have a disaster to manage.
Due to a shooting incident, I physically lost my Oracle database server. Fortunately, I was doing extra effective Cumulative weekly 0 my databases backups and daily incremental cumulative level 1 of my databases on an external hard drive.
Now, I need to restore these backups on a new physical server. I don't have backups of the archivelogs.
Data loss can be allowed in this scenario. I have backup of the control file and the spfile (controlfile autobackup is configured).
How can I restore and recover my databases on the new server (with a different directory structure)? I do not use a recovery catalog.
Thanks in advance
Clamarion
@Hemant K Collette
I have good news! I was able to raestore and recover my database with almost no loss of data. I have a ws, helped by a DBA called J.P. Boileau. I did not use the Oracle Support solution because it was too complicated to deploy. That's what I did:
1. I arrived the last RCS of my backup cumulative incremental level 1 thanks to a list backup command.
2. then, I used the SNA to make a series until the SNA...
3. Finally, I did a restore of database; recover the database; and alter database open resetlogs.
It's the detailed output of a simulation testing of this solution:
[oracle@cumulative ~] $. oraenv
ORACLE_SID = [oracle]? ORCL
ORACLE_HOME = [/ home/oracle]? /U01/app/Oracle/product/11.2.0/dbhome_1
The Oracle base has been set on/u01/app/oracle
[oracle@cumulative ~] target rman $ /.
Recovery Manager: release 11.2.0.3.0 - Production on Thu Oct 3 09:12:30 2013
Copyright (c) 1982, 2011, Oracle and/or its affiliates. All rights reserved.
connected to the database target (not started)
RMAN > startup mount;
Oracle instance started
mounted database
Total System Global Area 835104768 bytes
Bytes of size 2232960 fixed
574623104 variable size bytes
251658240 of database buffers bytes
Redo buffers 6590464 bytes
RMAN > catalogue start by ' / u01/backup ';
From implicit overlapping backup 3 October 13
using the control file of the target instead of recovery catalog database
allocated channel: ORA_DISK_1
channel ORA_DISK_1: SID = 133 type device = DISK
Cut 7 objects
Implicit overlapping backup has completed 3 October 13
Starting copy implied overlap in October 3, 13
using channel ORA_DISK_1
Copy of implicit cross ended up at October 3, 13
the search for all files in the recovery area
cataloging files...
not cataloged files
the search for all files that match the/u01/backup model
List of unknown files from the database
=====================================
File name: /u01/backup/autobackup/o1_mf_s_827753589_94qxm5o3_.bkp
File name: /u01/backup/o1_mf_nnnd0_TAG20131002T101620_94qs34qw_.bkp
File name: /u01/backup/o1_mf_nnnd1_TAG20131002T113233_94qxl1yt_.bkp
Do you want to catalog the files above (enter YES or NO)? Yes
cataloging files...
cataloging done
List of cataloged files
=======================
File name: /u01/backup/autobackup/o1_mf_s_827753589_94qxm5o3_.bkp
File name: /u01/backup/o1_mf_nnnd0_TAG20131002T101620_94qs34qw_.bkp
File name: /u01/backup/o1_mf_nnnd1_TAG20131002T113233_94qxl1yt_.bkp
RMAN > overlap backupset;
using channel ORA_DISK_1
verified backup item: found to be "EXPIRED".
handle=/U01/app/Oracle/fast_recovery_area/ORCL/backupset/2013_09_30/o1_mf_nnnd0_TAG20130930T114816_94loqk4w_.BKP element of backup RECID = 1 STAMP = 827495297
verified backup item: found to be "EXPIRED".
handle=/U01/app/Oracle/fast_recovery_area/ORCL/autobackup/2013_09_30/o1_mf_s_827495353_94losbfm_.BKP element of backup RECID = TONE 2 = 827495354
verified backup item: found to be "EXPIRED".
handle=/U01/app/Oracle/fast_recovery_area/ORCL/backupset/2013_09_30/o1_mf_nnnd1_TAG20130930T115510_94lp4h7v_.BKP element of backup RECID = STAMP 3 = 827495711
verified backup item: found to be "EXPIRED".
handle=/U01/app/Oracle/fast_recovery_area/ORCL/autobackup/2013_09_30/o1_mf_s_827495755_94lp5w1f_.BKP element of backup RECID = STAMP 4 = 827495756
verified backup item: found to be "EXPIRED".
handle=/U01/app/Oracle/fast_recovery_area/ORCL/autobackup/2013_10_02/o1_mf_s_827749047_94qs58bo_.BKP backup RECID piece = 6 = 827749048 STAMP
verified backup item: found to be "EXPIRED".
handle=/U01/app/Oracle/fast_recovery_area/ORCL/backupset/2013_10_02/o1_mf_nnnd0_TAG20131002T101620_94qs34qw_.BKP element of backup RECID = STAMP 5 = 827748980
"" element of verified backup: turned out to be "AVAILABLE"
handle=/U01/backup/o1_mf_nnnd0_TAG20131002T101620_94qs34qw_.BKP element of backup RECID = STAMP 8 = 827831641
verified backup item: found to be "EXPIRED".
handle=/U01/app/Oracle/fast_recovery_area/ORCL/backupset/2013_10_02/o1_mf_nnnd1_TAG20131002T113233_94qxl1yt_.BKP element of backup RECID = STAMP 7 = 827753553
"" element of verified backup: turned out to be "AVAILABLE"
handle=/U01/backup/o1_mf_nnnd1_TAG20131002T113233_94qxl1yt_.BKP element of backup RECID = STAMP 9 = 827831641
Cut 9 objects
RMAN > list backup;
List of backup sets
===================
Time of accomplishment BS key Type LV size device Type elapsed time
------- ---- -- ---------- ----------- ------------ ---------------
1 DISK of 1.06 G Incr 0 00:00:51 30-SEP-13
BP key: 1 situation: EXPIRED compressed: NOT of Tag: TAG20130930T114816
Part name: /u01/app/oracle/fast_recovery_area/ORCL/backupset/2013_09_30/o1_mf_nnnd0_TAG20130930T114816_94loqk4w_.bkp
List of files to backup data value 1
Name of file LV Type cash SNA cash time
---- -- ---- ---------- --------- ----
1 0 incr 1123837 /u01/app/oracle/oradata/orcl/system01.dbf 30-SEP-13
2 0 1123837 /u01/app/oracle/oradata/orcl/sysaux01.dbf incr 30-SEP-13
3 0 incr 1123837 /u01/app/oracle/oradata/orcl/undotbs01.dbf 30-SEP-13
4 0 incr 1123837 /u01/app/oracle/oradata/orcl/users01.dbf 30-SEP-13
5 0 incr 1123837 /u01/app/oracle/oradata/orcl/example01.dbf 30-SEP-13
Time of accomplishment BS key Type LV size device Type elapsed time
------- ---- -- ---------- ----------- ------------ ---------------
2 full 9.36 M DISC 01:00:00 30-SEP-13
BP key: 2 location: EXPIRED compressed: NOT of Tag: TAG20130930T114913
Part name: /u01/app/oracle/fast_recovery_area/ORCL/autobackup/2013_09_30/o1_mf_s_827495353_94losbfm_.bkp
SPFILE included: Modification Date: 30-SEP-13
SPFILE db_unique_name: ORCL
Control file included: cash SNA: 1123870 cash time: 30-SEP-13
Time of accomplishment BS key Type LV size device Type elapsed time
------- ---- -- ---------- ----------- ------------ ---------------
3 incr 1 DISK of 4.54 M 00:00:39 30-SEP-13
BP key: 3 location: EXPIRED compressed: NOT of Tag: TAG20130930T115510
Part name: /u01/app/oracle/fast_recovery_area/ORCL/backupset/2013_09_30/o1_mf_nnnd1_TAG20130930T115510_94lp4h7v_.bkp
List of files of data in backup set 3
Name of file LV Type cash SNA cash time
---- -- ---- ---------- --------- ----
1 1 incr 1124362 /u01/app/oracle/oradata/orcl/system01.dbf 30-SEP-13
2 1 incr 1124362 /u01/app/oracle/oradata/orcl/sysaux01.dbf 30-SEP-13
3 1 incr 1124362 /u01/app/oracle/oradata/orcl/undotbs01.dbf 30-SEP-13
4 1 incr 1124362 /u01/app/oracle/oradata/orcl/users01.dbf 30-SEP-13
5 1 incr 1124362 /u01/app/oracle/oradata/orcl/example01.dbf 30-SEP-13
Time of accomplishment BS key Type LV size device Type elapsed time
------- ---- -- ---------- ----------- ------------ ---------------
4 whole 9.36 M DISC 01:00:00 30-SEP-13
BP key: 4 location: EXPIRED compressed: NOT of Tag: TAG20130930T115555
Part name: /u01/app/oracle/fast_recovery_area/ORCL/autobackup/2013_09_30/o1_mf_s_827495755_94lp5w1f_.bkp
SPFILE included: Modification Date: 30-SEP-13
SPFILE db_unique_name: ORCL
Control file included: cash SNA: 1124391 cash time: 30-SEP-13
Time of accomplishment BS key Type LV size device Type elapsed time
------- ---- -- ---------- ----------- ------------ ---------------
6 whole 9.36 M DISK 00:00:01 2 October 13
BP key: 6 location: EXPIRED compressed: NOT of Tag: TAG20131002T101727
Part name: /u01/app/oracle/fast_recovery_area/ORCL/autobackup/2013_10_02/o1_mf_s_827749047_94qs58bo_.bkp
SPFILE included: Date modified: October 2, 13
SPFILE db_unique_name: ORCL
Control file included: cash SNA: 1177698 cash time: 2 October 13
BS key Type LV size
------- ---- -- ----------
8 0 incr 1.06 G
List of files to backup set of 8 data
Name of file LV Type cash SNA cash time
---- -- ---- ---------- --------- ----
1 0 incr 1177574 2 October 13 /u01/app/oracle/oradata/orcl/system01.dbf
2 0 incr 1177574 2 October 13 /u01/app/oracle/oradata/orcl/sysaux01.dbf
3 0 incr 1177574 2 October 13 /u01/app/oracle/oradata/orcl/undotbs01.dbf
4 0 incr 1177574 2 October 13 /u01/app/oracle/oradata/orcl/users01.dbf
5 0 incr 1177574 2 October 13 /u01/app/oracle/oradata/orcl/example01.dbf
Backup the exemplary value of the backup set of 8 #1
Time of accomplishment of the time Type compressed device Tag
----------- ------------ --------------- ---------- ---
00:00:00 DISC 2 OCTOBER 13 NO. TAG20131002T101620
The list of items to backup the save game 8 copy #1
Name of the Key BP Pc # status element
------- --- ----------- ----------
5 1 EXPIRED /u01/app/oracle/fast_recovery_area/ORCL/backupset/2013_10_02/o1_mf_nnnd0_TAG20131002T101620_94qs34qw_.bkp
Backup the exemplary value no. 2 backup set of 8
Time of accomplishment of the time Type compressed device Tag
----------- ------------ --------------- ---------- ---
DISC 00:00:00 3 OCTOBER 13 NO. TAG20131002T101620
The list of items to backup the save game 8 copy #2
Name of the Key BP Pc # status element
------- --- ----------- ----------
8 1 /u01/backup/o1_mf_nnnd0_TAG20131002T101620_94qs34qw_.bkp AVAILABLE
BS key Type LV size
------- ---- -- ----------
9 incr 1 9,20 M
List of files to backup data value 9
Name of file LV Type cash SNA cash time
---- -- ---- ---------- --------- ----
1 1 incr 1182056 2 October 13 /u01/app/oracle/oradata/orcl/system01.dbf
2 1 incr 1182056 2 October 13 /u01/app/oracle/oradata/orcl/sysaux01.dbf
3 1 incr 1182056 2 October 13 /u01/app/oracle/oradata/orcl/undotbs01.dbf
4 1 incr 1182056 2 October 13 /u01/app/oracle/oradata/orcl/users01.dbf
5 1 incr 1182056 2 October 13 /u01/app/oracle/oradata/orcl/example01.dbf
The exemplary value value 9 Backup #1 backup
Time of accomplishment of the time Type compressed device Tag
----------- ------------ --------------- ---------- ---
00:00:00 DISC 2 OCTOBER 13 NO. TAG20131002T113233
List backup to backup the value 9 #1 copy items
Name of the Key BP Pc # status element
------- --- ----------- ----------
7 1 EXPIRED /u01/app/oracle/fast_recovery_area/ORCL/backupset/2013_10_02/o1_mf_nnnd1_TAG20131002T113233_94qxl1yt_.bkp
Backup the exemplary value no. 2 backup the value 9
Time of accomplishment of the time Type compressed device Tag
----------- ------------ --------------- ---------- ---
DISC 00:00:00 3 OCTOBER 13 NO. TAG20131002T113233
List backup to backup the value 9 #2 copy items
Name of the Key BP Pc # status element
------- --- ----------- ----------
9 1 /u01/backup/o1_mf_nnnd1_TAG20131002T113233_94qxl1yt_.bkp AVAILABLE
RMAN > run {}
2 > until the SNA 1182056.
3 > restore database;
4 > restore database;
{5 >}
executing command: SET until clause
From restoration to 3 October 13
using channel ORA_DISK_1
channel ORA_DISK_1: from the restore backup set data file
channel ORA_DISK_1: specifying datafile (s) to restore from backup set
channel ORA_DISK_1: restore datafile 00001 to /u01/app/oracle/oradata/orcl/system01.dbf
channel ORA_DISK_1: restore datafile 00002 to /u01/app/oracle/oradata/orcl/sysaux01.dbf
channel ORA_DISK_1: restore datafile 00003 to /u01/app/oracle/oradata/orcl/undotbs01.dbf
channel ORA_DISK_1: restore datafile 00004 in /u01/app/oracle/oradata/orcl/users01.dbf
channel ORA_DISK_1: restore datafile 00005 to /u01/app/oracle/oradata/orcl/example01.dbf
channel ORA_DISK_1: backup /u01/backup/o1_mf_nnnd0_TAG20131002T101620_94qs34qw_.bkp piece reading
channel ORA_DISK_1: room handle=/u01/backup/o1_mf_nnnd0_TAG20131002T101620_94qs34qw_.bkp tag = TAG20131002T101620
channel ORA_DISK_1: restored the backup part 1
channel ORA_DISK_1: restore complete, duration: 00:00:47
Restoration finished in October 3, 13
From pick up to 3 October 13
using channel ORA_DISK_1
channel ORA_DISK_1: from additional data file from the restore backup set
channel ORA_DISK_1: specifying datafile (s) to restore from backup set
destination for the restoration of the data file 00001: /u01/app/oracle/oradata/orcl/system01.dbf
destination for the restoration of the data file 00002: /u01/app/oracle/oradata/orcl/sysaux01.dbf
destination for the restoration of the data file 00003: /u01/app/oracle/oradata/orcl/undotbs01.dbf
destination for the restoration of the data file 00004: /u01/app/oracle/oradata/orcl/users01.dbf
destination for the restoration of the data file 00005: /u01/app/oracle/oradata/orcl/example01.dbf
channel ORA_DISK_1: backup /u01/backup/o1_mf_nnnd1_TAG20131002T113233_94qxl1yt_.bkp piece reading
channel ORA_DISK_1: room handle=/u01/backup/o1_mf_nnnd1_TAG20131002T113233_94qxl1yt_.bkp tag = TAG20131002T113233
channel ORA_DISK_1: restored the backup part 1
channel ORA_DISK_1: restore complete, duration: 00:00:07
starting media recovery
media recovery complete, duration: 00:00:01
Finished recover to 3 October 13
RMAN > alter database open resetlogs;
open database
RMAN >
Thanks again for all your help and patience.
Concerning
Clamarion.
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RMAN > restore the database up to the wire of the sequence 10 1;
From restoration to November 8, 11
using channel ORA_DISK_1
channel ORA_DISK_1: from datafile backupset restoration
channel ORA_DISK_1: specifying datafile (s) to restore from backup set
restoring datafile 00001 to D:\DBDATA\PRODDB\SYSTEM01. DBF
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OVERY_AREA\PRODDB\BACKUPSET\2011_11_07\O1_MF_NNNDF_TAG20111107T175037_7CH6YYVJ_. BK
P
switch to the previous backup
RMAN-00571: ===========================================================
RMAN-00569: = ERROR MESSAGE STACK FOLLOWS =.
RMAN-00571: ===========================================================
RMAN-03002: failure of the restore command at 11/08/2011 11:41:33
RMAN-06026: some targets not found - abandonment of restoration
RMAN-06023: no backup or copy of the file 4 found to restore
RMAN-06023: no backup or copy of datafile 3 found to restore
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RMAN > list incarnation;
List of Incarnations of the database
DB key Inc key STATE ID DB name DB reset reset time SNA
------- ------- -------- ---------------- --- ---------- ----------
1 1 PRODDB 3774691295 PARENT 1 17 APRIL 07
2 2 3774691295 PRODDB PARENT 521803 6 OCTOBER 11
3 3 3774691295 PRODDB PARENT 1595143 20 OCTOBER 11
4 4 3774691295 PRODDB PARENT 1600974 20 OCTOBER 11
5 5 3774691295 PRODDB PARENT 1952053 27 OCTOBER 11
6 6 PRODDB 3774691295 CURRENT 2146951 7 NOVEMBER 11
RMAN > backup recoverable list;
List of backup sets
===================
Time of accomplishment BS key Type LV size device Type elapsed time
------- ---- -- ---------- ----------- ------------ ---------------
37 full 822,34 M DISK 00:29:47 7 November 11
BP key: 37 status: AVAILABLE Tablet: NO Tag: TAG20111107T175037
Part name: C:\ORACLE\PRODUCT\10.2.0\FLASH_RECOVERY_AREA\PRODDB\BACKUPSET\
2011_11_07\O1_MF_NNNDF_TAG20111107T175037_7CH6YYVJ_. BKP
List of files to backup data value 37
Name of file LV Type cash SNA cash time
---- -- ---- ---------- --------- ----
2149673 full 1 7 November 11 D:\DBDATA\PRODDB\SYSTEM01. DBF
2 full 2149673 D:\DBDATA\PRODDB\UNDOTBS01 7 November 11. DBF
3 full 2149673 D:\DBDATA\PRODDB\SYSAUX01 7 November 11. DBF
4 integer 2149673 D:\DBDATA\PRODDB\USERS01 7 November 11. DBF
5 integer 2149673 D:\ORA_DATA\DATA01 7 November 11. DBF
full 2149673 D:\ORA_DATA\DATA02 6 7 November 11. DBF
7 full 2149673 D:\ORA_DATA\INDX01 7 November 11. DBF
8 whole 2149673 D:\ORA_DATA\INDX02 7 November 11. DBF
Time of accomplishment BS key Type LV size device Type elapsed time
------- ---- -- ---------- ----------- ------------ ---------------
38 full 6.95 M DISK 00:00:03 7 November 11
BP key: 38 status: AVAILABLE Tablet: NO Tag: TAG20111107T182034
Part name: C:\ORACLE\PRODUCT\10.2.0\FLASH_RECOVERY_AREA\PRODDB\AUTOBACKUP
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Control file included: cash SNA: 2151141 cash time: 7 November 11
SPFILE included: Modification Date: 7 November 11
Time of accomplishment time BS key size Device Type
------- ---------- ----------- ------------ ---------------
18,46 39 M DISK 00:00:05 8 NOVEMBER 11
BP key: 39 status: AVAILABLE Tablet: NO Tag: TAG20111108T093359
Part name: C:\ORACLE\PRODUCT\10.2.0\FLASH_RECOVERY_AREA\PRODDB\BACKUPSET\
2011_11_08\O1_MF_ANNNN_TAG20111108T093359_7CJY7TG1_. BKP
List of newspapers archived on backup value 39
The next time that THRD Seq YVERT low low time next YVERT
---- ------- ---------- --------- ---------- ---------
1 1 2146951 7 NOVEMBER 11 2149493 NOVEMBER 7, 11
1 2 2149493 7 NOVEMBER 11 2149519 NOVEMBER 7, 11
1 3 2149519 7 NOVEMBER 11 2149565 NOVEMBER 7, 11
1 4 2149565 7 NOVEMBER 11 2149641 NOVEMBER 7, 11
1 5 2149641 7 NOVEMBER 11 2172859 NOVEMBER 7, 11
1 6 2172859 7 NOVEMBER 11 2197851 NOVEMBER 7, 11
1 7 2197851 7 NOVEMBER 11 2220349 NOVEMBER 8, 11
1 8 2220349 8 NOVEMBER 11 2222621 NOVEMBER 8, 11
1 9 2222621 8 NOVEMBER 11 2222729 NOVEMBER 8, 11
1-10 2222729 8 NOVEMBER 11 2223088 NOVEMBER 8, 11
Time of accomplishment BS key Type LV size device Type elapsed time
------- ---- -- ---------- ----------- ------------ ---------------
40 full 6.95 M DISK 00:00:00 November 8, 11
BP key: 40 status: AVAILABLE Tablet: NO Tag: TAG20111108T093411
Part name: C:\ORACLE\PRODUCT\10.2.0\FLASH_RECOVERY_AREA\PRODDB\AUTOBACKUP
\2011_11_08\O1_MF_S_766661651_7CJY84LK_. BKP
Control file included: cash SNA: 2223097 cash time: November 8, 11
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1 oradim create new instance
2 startup nomount pfile = 'C:\inittest.ora'
3. restore conrolfile of 'c:\name.bak '.
I found this file control point to the oradata folder as directed by the original host
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Mounted DB.
5 restore database completed with error
switch to the previous backup
RMAN-00571: ==================================================
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RMAN-00571: ==================================================
RMAN-03002: failure of the restore command at the 12:17:55 08/12/2014
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RMAN-06023: no backup or copy of datafile 3 found to restore
RMAN-06023: no backup or copy of datafile 2 found to restore
RMAN-06023: no backup or copy of datafile 1 found to restore
So, it is possible to restore and recover the rman backup to the new host with the structure of different file...?
Hello
Try to rename the log file to roll forward online to the desired path on the destination server, and then open with resetlogs.
SQL > alter database file rename ' G:\APP\ORADATA\HOOP\REDO01. JOURNAL "to"
"; Kind regards
Shivananda
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I bought and downloaded an album, but one of the songs is not in my music. Why?
I am running Yosemite (10.10.5) and iTunes 12.3.0.44 (with match) on an iMac. I bought and downloaded an album, but one of the songs is not available in my music, so I can't add it to any playlists. I've never had this happen before. Any ideas on what is the cause?
Have you tried re - download the album?
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processor and RAM not available
Hello
I am using Toshiba, windows 7 Home premium.it showed cyber crime unit virus.suddenly I restarted my system once it shows the toolbar as windows xp.and also description of processor, RAM, computer, rating watch is not available. VM articles, Internet Explorer does not. Pls tell me solution wait.Hi Manju,
Generally, this problem is caused because of the threats of viruses or malware. I would suggest trying the following methods and check if it works for you.
Method 1:
Run Microsoft Safety Scanner and check if it detects a virus threats on your computer.
Microsoft safety scanner: http://www.microsoft.com/security/scanner/en-us/default.aspx
Note: The Microsoft Safety Scanner ends 10 days after being downloaded. During these 10 days, it will remove all the files infected by the virus and records. I suggest you create a backup of your data, and then install Microsoft Safety Scanner.
Method 2:
Run Windows Defender in offline mode and check if it helps.
Windows Defender Offline: Frequently asked questions:
http://Windows.Microsoft.com/en-us/Windows/Windows-Defender-offline-FAQ
For more information, you can consult the following Microsoft Help article.
http://Windows.Microsoft.com/en-us/Windows/what-is-Windows-Defender-offline
Please reply with the status of the issue, so that we can better help you.
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computer crashed and lost photoshop 5 I have the serial number, but not my old drive
Hello world:
My computer crashed and I had to replace my hard drive. I can't find my photo elements 5 old record shop. Thank God, I wrote my serial number. What can I do without buying a newer version I'm used to the old and to my learning of the age, something new is not an easy task.
If anyone can help me with this it would be greatly appreciated that I lost all my photos old and everything on my computer and I would start to replace programs but cannot find this drive after at least 16 or 17 years old.
Thanks for any help.
GM
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Cumulative level 1 backup and redundancy of information
My understanding of Cumulative level 1 - backups all the block changed since last level 0 backups and also double level 1 incremental copies, if we missed any level 1 differential before running the level 1 cumulative backup.
Having said that I fell on the underside of documentation in Oracle.
Suppose a case where
REDUNDANCY
is1
. You run a backup of level 0 at noon Monday, a level 1 cumulative backup on Tuesday and Wednesday at noon and a backup of level 0 at noon Thursday. Immediately after each daily backup, you run aDELETE OBSOLETE
. WednesdayDELETE
command does not remove the level 1 of the Tuesday backup because the backup is not redundant: the level 1 of Tuesday backup could be used to recover the level 0 backup Monday for a duration between Tuesday noon and Wednesday noon. However, theDELETE
command Thursday removes the previous level 0 and level 1 backups.Can someone explain to me why killing level 1 backup needed clarification? When we have a backup of the sea element that has backup KILLS (e i, which has backup LUN)
to recover the database so I think that a single backup item is needed Wednesday.
Please correct me if I'm wrong. Sorry for my bad English, if you find any grammatical error
Also put me as what will contain the element of KILLING level 1 cumulative backup
for sample data of level 0 kills more than Monday morning and data MIDI Mar
Thank you
Thank you
2638616 wrote:
My understanding of Cumulative level 1 - backups all the block changed since last level 0 backups and also double level 1 incremental copies, if we missed any level 1 differential before running the level 1 cumulative backup.
Having said that I fell on the underside of documentation in Oracle.
Assume a case in which
REDUNDANCY
is1
. You run a backup of level 0 at noon Monday, a level 1 cumulative backup on Tuesday and Wednesday at noon and a backup of level 0 at noon Thursday. Immediately after each daily backup, you run aDELETE OBSOLETE
. WednesdayDELETE
command does not remove the level 1 of the Tuesday backup because the backup is not redundant: the level 1 of Tuesday backup could be used to recover the level 0 backup Monday for a duration between Tuesday noon and Wednesday noon. However, theDELETE
command Thursday removes the previous level 0 and level 1 backups.Can someone explain to me why killing level 1 backup needed clarification? When we have a backup of the sea element that has backup KILLS (e i, which has backup LUN)
to recover the database so I think that a single backup item is needed Wednesday.
Please correct me if I'm wrong. Sorry for my bad English, if you find any grammatical error
Also put me as what will contain the element of KILLING level 1 cumulative backup
for sample data of level 0 kills more than Monday morning and data MIDI Mar
Thank you
Thank you
Also put me as what will contain the element of KILLING level 1 cumulative backup
for example Monday level 0 data more Tuesday morning as well as MIDI data Mar
No backup of level 1 will contain nothing of the previous level 0 backup. First level 1 (no matter the cumulative or differential) will contain only the data blocks that have changed since the previous level 0. Backups.will all new 1 cumulative level contain only data blocks that have changed since the previous level 0.
And if you think a little about it, which will answer any other questions.
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How to restore the Rman incremental level 0 backup if the SID is different?
Hi Experts,
I had a little problem with restore rman backup of level 0. I have backup rman for oracle 11.2.0.1.0 - 64 bit and restore the server to Test 11.2.0.1.0 - 64 bit.
Problem:
Sid = prd production server
Sid = prderp test server
Operating system is Oracle linux 5 on both servers.
How to restore Rman if the SID is different?Hello
Refer to this http://shivanandarao.wordpress.com/2012/04/19/duplicating-primary-database-to-a-new-host-without-connecting-to-the-primary-database-in-oracle-10g11g/
You need to restore it under the same name as you have in the production and later change the dbname using the NEST.
If you don't want to go with this method, then I suggest you to go with the method of double RMAN.
http://www.Oracle-base.com/articles/11g/duplicate-database-using-RMAN-11gr2.php
http://docs.Oracle.com/CD/B28359_01/backup.111/b28270/rcmdupdb.htmrman target sys/
@prod auxiliary sys/ @tst RMAN>duplicate target database to 'prderp' nofilenamecheck; Please close this Re: how to restore the Rman backup if the SID is different? wire by marking as replied.
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How the level 0 and level 1 backups are related?
Version: 11 g
I was going through the scripts in the post, two issues related to the RETENTION STRATEGY
When you have a differential incremental backup strategy and when you run scripts to backup of level 1 and level 0 via cronjobs different from Sunday to Saturday, during recovery, how RMAN will identify all these level 1 backups and backup of level 0 parent as a single unit? In level 0, and its backup scripts later level 1, I do not see a clause that links the level 0 backup and its subsequent backups level 1?Hi Steve_74,
How RMAN will identify all these level 1 backups and backup of level 0 parent as a single unit?
Information used during a restore comes the controlfile.
Example of
Select backup, INCREMENTAL_LEVEL
v $ backup_set
/
Will determine the backup set level 0 necessary depending on your clause of restoreSelect INCREMENTAL_LEVEL, INCREMENTAL_CHANGE #, CHECKPOINT_CHANGE #.
v $ BACKUP_DATAFILE
When file # = 1
/
Will determine what (s) to apply to the datafile 1 according to your restoration clause.Kind regards
Tycho
Edited by: tychos on November 1st, 2009 01:51
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