Backing Up Oracle - Computing at Cornell

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E.2 Overview of TDP for ESS TDP for ESS takes advantage of the FlashCopy feature of the IBMM ESS to make a copy of an Oracle database so it can perform an RMAN database backup on the database copy instead of the actual database. A separate machine called the backup machine, which has access to the database copy on FlashCopy devices, is used to perform the RMAN backup. Because resources associated with a backup process are “off-loaded” onto a separate backup machine, the availability of databases running on production machines is increased. This also reduces any performance impact that is normally caused by backup processes on production databases. TDP for ESS also employs the use of TDP for Oracle to backup databases to TSM. The TSM server can reside on the backup machine. Figure 61 shows a typical TDP for ESS configuration. Production Machine IBM ESS Backup Machine Oracle Production System Figure 61. Typical TDP for ESS configuration TDP for ESS includes programs that are executed on the production machine and on the backup machine. The FlashCopy is done by the program that executes on the production machine. The program that executes on the backup machine does the Oracle backup, using the file created by the FlashCopy. 230 Backing Up Oracle using Tivoli Storage Management Oracle Datafiles Flashcopy Devices Oracle Backup System TSM Server
E.3 Our lab setup and experiences In this section, we will show you how we set up TDP for ESS and TDP for Oracle. Our setup was quite simple, and we did not have a large database. Our tests involved backups using TDP for Oracle only and TDP with ESS, and we used the same RMAN catalog for both types of backup. Our database is in ARCHIVELOG mode. We tested our recovery by deleting one of the data files. We will also discuss what problems we encountered when doing backup and recovery. This section is not intended to replace the manual Tivoli Data Protection for IBM ESS for Oracle Databases Installation and User’s Guide Version 1 Release 1, SH26-4125-00. This section simply complements the manual. The manual is also available online at: http://www.tivoli.com/support/storage_mgr/tivolimain.html We will refer you to the manual when discussing our setup in detail. We also assume that the TSM Server and ESS are already installed and operational. E.3.1 Setup and configuration Here we outline the setup and configuration of the systems we used, including details of the system environment and customization of option files. E.3.1.1 Environment Our environment consists of the following as shown in Table 5. Table 5. System environment System Name Production machine auckland.ibm.com Backup machine swiss.ibm.com ESS Server vienna01.ibm.com TSM Server swiss.ibm.com E.3.1.2 TDP for Oracle setup See Chapter 5, “Configuration and setup of TDP for Oracle on UNIX” on page 61 to better understand the setup for TDP for Oracle. The Oracle server must be installed on both the production and backup machines. Appendix E. TDP for IBM ESS for Oracle databases 231
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Backing Up Oracle Using Tivoli Stor
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Take Note! Before using this inform
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3.1.3 Backup windows. . . . . . . .
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8.3 Recovery examples . . . . . . .
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C.1.1 TDPO.OPT file . . . . . . . .
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x Backing Up Oracle using Tivoli St
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41. Complete or Custom . . . . . .
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xiv Backing Up Oracle using Tivoli
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The team that wrote this redbook Th
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xviii Backing Up Oracle using Tivol
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2 Backing Up Oracle using Tivoli St
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Backup/archive client This allows u
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1.1.2 Tivoli Data Protection for Or
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8 Backing Up Oracle using Tivoli St
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Table A Table B Tablespace 1 Figure
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Table A Table B Tablespace 1 data f
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Figure 4. Log files Database Some R
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2.2 Oracle8i overview The previous
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Online redo logs are commonly multi
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Node 1 Instance Red log Figure 7. P
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Units of recovery (which other tabl
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For each type of event that may occ
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3.2.1 Disk mirroring Often, a combi
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Note You should assume that import
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This is how to recover from a log f
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32 Backing Up Oracle using Tivoli S
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TSM backup-archive client: Tivoli s
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4.4.2 Installing the TSM client Thi
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RMAN> run{ 2> allocate channel t1 t
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Only the owner of the data object o
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tsm: BRAZIL>q copygroup api_domain
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Once the object is sent to the TSM
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A backup object that is the active
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4.7 Policy management consideration
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TDP for Oracle does not send any ar
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4.8 Node considerations A TSM clien
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you can save time by sending the bi
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tsm: BRAZIL>def stg api_disk_a DISK
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If you are planning to use the 64-b
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5.1.3 Edit the client options files
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5.1.4 Registering with the TSM serv
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6.1.1.1 RMAN command The RMAN comma
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Figure 13. RMAN and TSM system comp
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The following are sample print scre
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To list the result of the register
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6.3.2 Whole database backup A whole
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6.3.3.2 Cumulative incremental back
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Figure 17. Whole consistent backup,
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. The second archivelog backup exam
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The following example shows the cod
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The normal way to start SQL*Net ser
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7.2.1 Report utility The list comma
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RMAN> report need backup incrementa
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7.2.1.4 Report on unrecoverable dat
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7.2.2.3 List backup of certain obje
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To list backups of archive logs bet
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#!/bin/ksh # Initialize variables:
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This is an example of TSM SQL SELEC
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106 Backing Up Oracle using Tivoli
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Control file Archive log If the con
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8.3.2 Complete recovery Next, we cr
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Some hours after the successful rec
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We created an RMAN command file inc
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We created an inito.ora file for in
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In this example: - The syntax for t
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With this storage policy defined, t
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Figure 21. Downloading TDP for Orac
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We wanted to change the installatio
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We left the program folder as the d
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The next screen was the registratio
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.. Figure 31. Editing the client op
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Figure 33. First steps to test a RM
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RMAN> run { 2> allocate channel t1
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RMAN> list backup; RMAN-03022: comp
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From the RMAN prompt, we need to al
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From this site, you can select whic
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The next screen will prompt you for
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Select either Complete or Custom. T
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After selecting a Complete or Custo
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If you are using TCP/IP as your com
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9.7.3.1 Coexistence of backup-archi
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10.1.1.1 RMAN command The RMAN comm
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Figure 47. RMAN and TSM system comp
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10.1.3 Registering the target datab
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10.2.2 Whole database backup A whol
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Cumulative backups require more sto
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shutdown immediate ; startup force
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The first statement alter system ar
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After selecting the Archive button,
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To use this command file with the s
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After running that command, a numbe
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Figure 55. Changing the scheduler s
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11.3.1 Report utility The report ut
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