Oracle Backup and Recovery with NetApp Storage. Klaus Wagner Solution Architect

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1 Oracle Backup and Recovery with NetApp Storage Klaus Wagner Solution Architect

2 Challenge: Expensive Backup and Restore Windows Time to Backup Time to Recover To Tape From Tape Redo Logs Performance degraded during hot backup windows Cold backups leads to lower SLA Separate backups on each platform Time-to-recover from tape becomes prohibitive Backups performed with less frequency Time: many hours 2008 NetApp. All rights reserved.

3 Snapshot Backup versus Tape Backup Coventional Online Backup to Tape Time for Backup Oracle Hot Backup Backup Load 08:00 00:00 04:00 08:00 12:00 04:00 08:00 00:00 Online or Offline Database Backups Take Several Hours Significant Backup Load on Database Server and Storage Database Backups Are typically Scheduled once per Day t Online Backups based on Snapshots Time for Backup Oracle Hot Backup Backup Load 08:00 00:00 04:00 08:00 12:00 04:00 08:00 00:00 Online or Offline Database Backups in Seconds No Backup Load on Database Server and Storage Database Backups Can Be Scheduled more often e.g. Every Four Hours t 2008 NetApp. All rights reserved.

4 Oracle Restore and Recovery Database Size 350GB, Tape Restore with 50MB/s = 175GB/h Database Produced 10 Redo Logs/Hour, Applying one Redo Log Takes 1 Minute Conventional Tape Restore / Recovery Last Backup to Tape Database Crash at 10: Hours Downtime Database Available 08:00 00:00 04:00 08:00 12:00 04:00 08:00 t Restore from Tape: 2 Hours Restore / Recovery with Snapshot and SnapRestore Point-in-Time Recovery: Redo Logs from 8:00 to 10:00 14 Hours => 140 Logs ~ 2.5 Hours (without Log Restore from Tape) 20 Minutes Downtime Database Crash at 10:00 08:00 00:00 04:00 08:00 12:00 04:00 08:00 SnapRestore to 8:00 Snapshot: Few Seconds Database Available Snapshot Copies Point-in-Time Recovery: Redo Logs from 8:00 to 10:00 2 Hours => 20 Logs ~ 20 Minutes t 2008 NetApp. All rights reserved.

5 WAFL, Snapshot, and FlexClone : The Foundation of Smart Copies Inodes, block maps NetApp s Unique DNA WAFL Write Anywhere File Layout Core block and file storage services Snapshot Active Filesys or LUN FlexClone Resiliency features (RAID-DP ) Snapshot Near-instantaneous, point-in-time copy of file system (vol) or LUN Read-only A B C D D Y SnapRestore Near-instantaneous rollback of vol or LUN to prior Snapshot copy FlexClone Disk blocks Near-instantaneous, WRITABLE copy of vol or LUN Same space-sharing characteristics 2008 NetApp. All rights reserved. 5

7 Asynchronous Mirroring for Archival All Snapshots A A A A A A A A A A A B1 C2 SnapVault Blocks on the Disk A B C B1 C2 WAN Archive A B1 C2 C Selected Snapshots SnapVault : an D2D Backup Solution Vaulted snapshots: Less frequent More snapshots, kept longer Often on cheaper, larger systems 2008 NetApp. All rights reserved.

8 Database Maintenance with FlexClones Production Mirrored Copy Benefits Instantaneous copies Low resource overhead Production DB Clones Snapshot Dev 1 Test 1 Test 2 Test N Active Filesys or LUN A B C D Dev 2 D Y Dev N FlexClone Inexpensive Easy and relatively inexpensive way to make copies of a production database without impacting the database Use database clones to test migrations, apply bug fixes, upgrades, and patches Easily reallocate storage for a database and its transaction log files 2008 NetApp. All rights reserved. 8

Integrates with the host application Tight integration RMAN Automated

9 SnapManager for Oracle Overview Oracle 9i, 10g, 11g Leverage GUI or CLI to automate complex and manual processes Backup/Restores Cloning Integrates with the host application Tight integration RMAN Automated Storage Manager (ASM) Direct NFS Client 2008 NetApp. All rights reserved. 9

10 NetApp Manageability Software Family Integrated and automated Oracle data management Eliminates the need for extensive storage involvement or skills for routine Oracle data management 2008 NetApp. All rights reserved. 10

11 Vereinfachtes Datenmanagement mit Snapmanager Traditioneller Ansatz Benutzer NetApp Ansatz Benutzer Applikations Management Windows Admin Storage Management Server Admin Storage und Server Admins Storage und Backup Admins Storage Admin 2008 NetApp. All rights reserved. 11

12 SnapManager for Oracle: Integration and Benefits Integration Points: Oracle Database 9i, 10g and 11g RAC RMAN ASM Direct NFS Client Benefits: Leverage backup, restore, and cloning benefits for ASM-based databases Realize SnapManager benefits for RAC configurations Direct NFS client support 2008 NetApp. All rights reserved. 12

SnapManager for Oracle Architecture SnapDrive

14 New in SnapManager for Oracle V2.2 Launch GUI from a web browser via Java Web Start Backup, Restore, Recover & Clone: Oracle 11g databases Databases on Windows New hooks to enable a scripted Disaster Recovery solution via the ability to: Restore from an alternate location Restore datafiles and controlfiles in a single operation 2008 NetApp. All rights reserved. 14

15 Key Features - Backup Automated, instantaneous and space-efficient backups using Snapshot Backup: Entire database Tablespaces Datafiles Verifies backups using the Oracle Database Verify utility (optional) Catalogs backups with RMAN (optional) 2008 NetApp. All rights reserved. NetApp Confidential - Do Not Distribute

SnapManager for Oracle Backup Primary Data Center SnapManager backs up in seconds Snapshot copies verified for integrity and stored App/DB Server Snapshot NetApp Storage System Benefits: Fastest and

16 SnapManager for Oracle Backup Primary Data Center SnapManager backs up in seconds Snapshot copies verified for integrity and stored App/DB Server Snapshot NetApp Storage System Benefits: Fastest and most storage efficient backups More frequent backups due to speed and efficiency No performance degradation from online backups Instantaneous access to backup data Automation eliminates manual errors Time to backup: seconds 2008 NetApp. All rights reserved. 16

17 Key Features Restore & Recover Automated, rapid and granular restore & recovery using SnapRestore Reduces Mean Time to Recovery on failure Quick Restores More frequent backups Less logs to replay Faster Recovery Restore options include restoring: The entire backup Only the tablespaces or data files you specify Only control files Control files along with data files or tablespaces Recovery options include recovering the database to: The last transaction that occurred in the database A specific date and time A specific Oracle SCN The time of the backup 2008 NetApp. All rights reserved. NetApp Confidential - Do Not Distribute

18 SnapManager for Oracle Restore Primary Data Center Near instantaneous restores from Snapshot Dramatically shortened recovery with automated log replays App/DB Server Automated recovery tasks NetApp Storage System Snapshot Roll transaction logs Time to restore: minutes Benefits: Extremely fast and accurate data restore and recovery Reduce downtime from outages Automation saves administrative time 2008 NetApp. All rights reserved. 18

20 Key Features - Clone Fast, automated, and space-efficient clones using FlexClone Ideal for test and development environments Backup and clone in one step (optional) Clone to the same or different host Clone RAC as well as non-rac databases 2008 NetApp. All rights reserved. NetApp Confidential - Do Not Distribute

21 SnapManager for Oracle Clone Primary Data Center Near-instant clones from Snapshot Automated cloning operation App/DB Server Assign clones to remote host NetApp Storage System Benefits: Fast clones of Oracle databases for test and dev Automation saves administrative time Improved productivity Clones Time to clone: seconds 2008 NetApp. All rights reserved. 21

22 Cloning an ASM Diskgroup SMO knows ASM Disk Header format Enables ASM Diskgroup cloning via restamping of LUNs DISKGROUP_1 LUN Clone DISKGROUP_2 DISKGROUP_1 DISKGROUP_1 DISKGROUP_2 DISKGROUP_2 DISK HEADER DISK HEADER DISK HEADER DISK HEADER LUN 1 LUN 2 LUN 1 (clone) LUN 2 (clone) 2008 NetApp. All rights reserved. 22

Storage Konsolidierung mit NetApp Enterprise SAN Department Fibre Channel iscsi Dediziertes Ethernet CIFS/NFS Corporate LAN File Services Datenbanken Revisionssichere

23 Storage Konsolidierung mit NetApp Enterprise SAN Department Fibre Channel iscsi Dediziertes Ethernet CIFS/NFS Corporate LAN File Services Datenbanken Revisionssichere Archivierung Unified Architecture Simple Administration Reduced Complexity Lower TCO Backup und Restore Spiegelung und Disaster Recovery 2008 NetApp. All rights reserved. 23

Direct NFS Performance Direct NFS scales

linearly for sequential workloads & improves

26 Oracle and Network Appliance 12 years of innovation driving down infrastructure costs AND increasing enterprise IT productivity 1995 First filer for Oracle DB sold 1999 NetApp helps establish OSCP 1997 Oracle certifies NetApp 2001 NetApp runs on Oracle NetApp and Oracle Consulting Blueprints 2000 Oracle B2B Exchange selects NetApp NetApp is Certified Solution Partner Oracle on NetApp customers Linux competency center 2002 Oracle NetApp Joint Escalation Team Joint Center of Excellence (CoE) and professional services 2005 ONTAP 7G FlexVol & FlexClone deployed HARD: SnapValidator EM Grid Control Integration 2004 Enterprise Grid Alliance Oracle builds next Apps on NetApp storage 2007 Oracle Enterprise Linux 4 Support SMB Bundle Solution DNFS in 11g 2006 OCS SnapLock Integration SnapManager for Oracle joint customers 2008 NetApp. All rights reserved. 26

terabytes of NetApp storage Largest NetApp single installation on earth Scaling at over 60TBs of storage each month Over 500

27 Oracle Austin Data Center. Austin Data Center Stats More than 20,000+ servers Largest Dell/Linux installation on earth Scaling at over 100 servers/week 6,900+ terabytes of NetApp storage Largest NetApp single installation on earth Scaling at over 60TBs of storage each month Over 500 mission-critical customers' apps hosted on the premises Primary data center for 50,000+ Oracle employees 2 acres of data center raised floor space Sources: Oracle Magazine Mar/Apr 2005 and Oracle ADC Executives 2008 NetApp. All rights reserved. 27

28 Summary SnapManager for Oracle: Efficient, Predictable, Reliable Backup, Restore and Recovery for Oracle databases Time and space efficient database cloning (including ASM) for setting up test and dev environments Fully integrated with Oracle technologies such as ASM, RMAN, RAC and Direct NFS Allows DBAs to efficiently perform database backup, restore, recovery, clone operations with minimum storage knowledge 2008 NetApp. All rights reserved. NetApp Confidential - Do Not Distribute

NetApp Solutions for Oracle

NetApp Solutions for Oracle for BCCServices HROUG, Rovinj Oct. 19th 2007 Bernd Dultinger Sales Manager Eastern Europe Agenda NetApp and Oracle Partnership NetApp and Oracle Highlights NetApp Solutions