MySQL Backup For The Oracle DBA - Zmanda Recovery
MySQL Backup for the Oracle DBAChander KantZmanda, Inc.ck@zmanda.comhttp://www.zmanda.com/Open Source Backup and Recovery1
Agenda Zmanda Inc OverviewZRM for MySQLRMAN/Oracle vs. ZRM/MySQLQuickstartBackup MethodsBackups using SnapshotsPoint in Time Recovery of DatabaseReporting and MonitoringAdvanced FeaturesQ&AOpen Source Backup and Recovery2
Zmanda : Open Source Backup and RecoveryOpen Source Backup and Recovery3
Zmanda Recovery Manager (ZRM) for MySQL Centralized backup and recovery of multiple MySQL databasesSchedule full and incremental backupsPerform logical or raw backups of MySQL databaseGet e-mail or RSS notification about status of backupsMonitoring and ReportingEnforcement of site or application specific backup policiesRecover database easily to a required point in time or to anyparticular database eventOpen Source Backup and Recovery4
Oracle RMAN Backup/Restore Scripts and Backup Manager in Oracle Enterprise Manager Block level corruption detection Block level differential backup Recovery information integrated into the database control filesOpen Source Backup and Recovery5
Oracle RMAN Backup/Restore Scripts and Backup Manager in Oracle Enterprise Manager Block level corruption detection Block level differential backup Recovery information integrated into the database control filesOpen Source Backup and Recovery6
RMAN and ZRM for MySQLOpen Source Backup and Recovery7
ZRM for MySQL – Global Management forOnline DatabasesBackup of Enterprise wide MySQL DatabasesOpen Source Backup and Recovery8
Quick Start – Default Configuration RMAN/Oracle ORACLE HOME/config/scripts/backup.sh– Runs full backup of all databases under ORACLE HOME– Default retention policy is last two backups ZRM/MySQL/usr/bin/mysql-zrm-backup– Runs full backup of all local databases– Default retention policy is foreverOpen Source Backup and Recovery9
Immediate Full Backup from Management ConsoleOpen Source Backup and Recovery10
Immediate Full Backup from RMANOpen Source Backup and Recovery11
Logical Backups Extract logical definitions and data from the database to a file Can be done at Database level or Table level Allows for selective recovery Command line and Management ConsoleOracle EXP (export) and IMP (import) utilities Data Pump (Introduced in Oracle 10g) Uses Oracle proprietary binary file formatMySQL mysqldump client program Can backup local or remote servers Stores backup as SQL statements PortableOpen Source Backup and Recovery12
Physical (Raw) Backups Binary copies of Database files Faster and preferred method for large databases Very limited portabilityOracle Backup Data files, Control files, Server Parameter file and Redo Log files Online backup requires ARCHIVELOG mode Hot Tablespace Backups (ALTER TABLESPACE BEGIN BACKUP) Recovery Manager (RMAN) Snapshot: Oracle 11g on Windows has a VSS WriterMySQL Actual files depend on storage engine being used MyISAM : .frm, .MYD and .MYI files InnoDB: .frm, .ibd, InnoDB log files mysqlhotcopy : For MyISAM storage engine on UNIX and Netware ibbackup (InnoDB Hot Backup): InnoDB storage engine only Snapshot based solutionsOpen Source Backup and Recovery13
ZRM for MySQL – Optimized for your ConfigurationBackup methods that best matches storage engine and configuration Logical backup Raw backup Snapshot backupOpen Source Backup and Recovery14
Snapshots - Logical Copy Of DatabaseDatabasechanges theoriginal volumeThe same logicalcopy of the originalvolumesnapshot is a copy of a setof files and directories asthey were at a particularpoint in the past Copy on Write Taking a snapshot is very fast and does not depend on size of thedatabase Always a “full” point-in-time backup of databaseOpen Source Backup and Recovery15
Database Backup Using Snapshot Momentarily read lock the database Flush the memory buffers for logicalconsistency of data on disk Take the snapshot Unlock the database Manage the snapshot Moving to a different location Catalog backup images Monitoring and reportingOpen Source Backup and RecoveryRequires snapshotmanager such asZRM that is aware ofMySQL and specificsnapshot technology16
Incremental Backups Differential and Cumulative backups using RMAN- Differential: Faster Backup/Slower Recovery- Cumulative: Slower Backup/Faster Recovery ZRM only does Differential backups– ZMC enables easy recovery Differential backups difference– Oracle RMAN: Changed blocks– ZRM: Database Event LogOpen Source Backup and Recovery17
Storing backups Encryption Compression RMAN media management interface ZRM for MySQL integration with Amanda Enterprise Storing backups on the storage grid– Amazon S3Open Source Backup and Recovery18
Point in Time Restore of Databases Recovering from logical errors Audit and analyze transactions Oracle Flashback Commands– RMAN Flashback Transaction History MySQL Log Analyzer pin-points the time of recovery– ZRM can recover to any point in time since last backupOpen Source Backup and Recovery19
MySQL Log AnalyzerOpen Source Backup and Recovery20
MySQL Backup ReportingOpen Source Backup and Recovery21
Advanced Features Database Duplication– RMAN Network Database Duplication– ZRM can instantiate MySQL Replication Slaves Access control– RMAN Virtual Private Catalog– ZRM Role Based Access Control Cluster support– RMAN supports Real Application Cluster (RAC)– ZRM supports MySQL NDB ClustersOpen Source Backup and Recovery22
ZRM/MySQL RMAN/Oracle Multiple Backup methods to suit multiple storage engines Plug-in Architecture– Snapshots– Scheduling Customizable compression and encryption methods Flexible, robust and very easy to useTop 5 Considerations while setting up your MySQL tions.htmlLive Demo: http://network.zmanda.com/Open Source Backup and Recovery23
Open Source Backup and Recovery 5 Oracle RMAN Backup/Restore Scripts and Backup Manager in Oracle Enterprise Manager Block level corruption detection Block level differential backup Recovery
Lifetime Support Oracle Premier Support Oracle Product Certifications MySQL Enterprise High Availability MySQL Enterprise Security MySQL Enterprise Scalability MySQL Enterprise Backup MySQL Enterprise Monitor/Query Analyzer MySQL Workbench MySQL Enterprise Edition. 11 MySQL Database
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