Backing Up Oracle - Computing at Cornell

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6.3.3.2 Cumulative incremental backup A cumulative incremental backup at level n contains only blocks that have been changed since the most recent backup at level n - 1 or lower. Cumulative backups require more storage space than differential backups, but they are preferable during a restore operation because only one backup for a given level is needed. See Figure 16. Note that the first incremental backup must be a level 0 backup that contains all used blocks. A cumulative backup at level 2 will contain all blocks changed since the most recent level 1 backup, copying all blocks changed since the base level 0 backup only if a previous level 1 is unavailable. In contrast to a cumulative backup, a differential backup at level 2 will determine which level 1 or level 2 backup occurred most recently and copies all blocks changed since that backup. Figure 16. Cumulative incremental backups 6.3.4 Image copies An image copy is a single file (data file, archive log, or control file) that can be used as-is to perform a recovery. It is similar to an operating system copy of a single file, except that it is produced by an Oracle server process which performs additional tasks such as validating the blocks in the file and registering the copy in the control files. An image copy can be done only to disk. Image copies are not discussed further in this chapter, because RMAN does not send image copies to TSM — they are always stored locally on disk. 80 Backing Up Oracle using Tivoli Storage Management
6.4 Backup examples This section describes some typical backup examples using RMAN, complete with sample scripts. The examples are based on the following database instances: Target database: paris Recovery catalog database: rio For the examples, we used RMAN command files and redirected the output to logfiles. RMAN command files are regular text files containing commands executed by RMAN. The examples illustrate how to perform the following functions: Consistent whole database backup Archive redo log backup Incremental level 0 backup 6.4.1 Consistent whole database backup In the following examples, we are using RMAN to shut down and restart the database, to guarantee that all read-write datafiles and control files have been check-pointed with respect to the same system change number (SCN). These examples are suitable for databases operating in ARCHIVELOG and NOARCHIVELOG mode, and in our opinion, they represent the most common backup operation: rman target internal/manager@PARIS rcvcat rman/rman@RIO cmdfile=backup_offline_paris log=backup_offline_paris.log Chapter 6. Oracle backup considerations on UNIX 81
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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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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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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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Page 72 and 73: 4.8 Node considerations A TSM clien
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Page 76 and 77: tsm: BRAZIL>def stg api_disk_a DISK
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Page 96 and 97: To list the result of the register
Page 98 and 99: 6.3.2 Whole database backup A whole
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Page 104 and 105: . The second archivelog backup exam
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Page 124 and 125: This is an example of TSM SQL SELEC
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Page 128 and 129: Control file Archive log If the con
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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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RMAN> report need backup redundancy
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11.3.2.2 List old backups You can l
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11.3.3 Crosscheck utility To list b
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col handle for a30 set echo off set
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Control file Archive log If the con
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. RMAN successfully restored the da
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C:\oracle\oradata\beach>dir Volume
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Action UNIX chapters Windows chapte
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B.1.1.1 Windows Make sure that the
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The value for errorlogname will eit
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B.4 List of logfiles A key thing to
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When you use the RMAN command to de
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B.5.3 Renaming / deleting the TSM f
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C.1.4 Synchronization utility (TDPO
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Table 4 contains an overview of the
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C.2.5 Validating the setup We used
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This option can be set in the TDP f
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copy mgmtclass API_DOMAIN API_POLIC
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C.3.3 TDPOSync The following is a T
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- The value of the compression opti
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Figure 59. FlashCopy concept There
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E.2 Overview of TDP for ESS TDP for
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The following is a description of o
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The stanza for the server swiss in
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shark_target_volume We only used on
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E.3.2.1 Backup on the production ma
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E.3.3.1 Backup We performed both ba
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In order for the DBA user (oracle8)
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F.1.1 Define new management class f
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F.1.3 Modify dsmsta.opt In the ...\
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Right-clicking AdsmScsi and selecti
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tsm: BRAZIL>define server jamaica_s
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F.2 Running a backup and verifying
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G.2.2 How to use the Web material T
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that the same or similar results wi
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I.4 Referenced Web sites These Web
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IBM Redbooks fax order form Please
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DSMI_CONFIG 36 ESS 227 Configuratio
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Backing Up Oracle using Tivoli Stor
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