Backing Up Oracle - Computing at Cornell

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Figure 59. FlashCopy concept There are two requirements to allow a FlashCopy relation between two ESS volumes to be established: The volumes must be in the same LSS (logical subsystem). LSS is an internal ESS structure that groups certain ESS volumes together. For a description on LSS, see Appendix B, “Understanding logical subystems” in the redbook Implementing ESS Copy Services on UNIX and Windows NT/2000, SG24-5757-00. The target volume must be equal to or greater in size than the source volumes. We recommend that you select target volumes with exactly the same size as the source volumes. At a specific time, the FlashCopy relationship between source and target volumes will be established. This is known as the T 0 (time zero) copy. The process of establishing this T 0 copy takes only a few seconds. A bitmap will be created to identify the T 0 data on the source disk. At the time that the FlashCopy is started, the target volume is basically empty. The background copy task copies data from the source to the target. The FlashCopy bitmap keeps track of which data has been copied from source to target. If an application wants to read some data from the target that has not yet been copied to the target, the data is read from the source; otherwise, the read is satisfied from the target volume. See Figure 60. 228 Backing Up Oracle using Tivoli Storage Management
Figure 60. Implementation of split mirror Before an application can update a track on the source that has not yet been copied, the track is copied to the target volume. After some time all the data is copied either by the background copy process or by write operation on either the source or the target volume. Note Time Source Target T0 write read read write T1 When establishing the FlashCopy, the data on the source volume must be in a consistent state. This can be achieved by stopping the application and flushing the data from memory to disk. If the application cannot be stopped, then the application itself must provide a feature to ensure that the data is consistent while the FlashCopy is being established and that it can recover from that state afterwards on the target side. Appendix E. TDP for IBM ESS for Oracle databases 229
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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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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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Page 250 and 251: E.2 Overview of TDP for ESS TDP for
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