© 2012 IBM Corporation

Data Protection for SAP HANA Databases with IBM Tivoli Storage Manager for ERP

Cyrus Niltchian, Technical Evangelist

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Tivoli Technical Enablement

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Agenda

What is SAP HANA

HANA In-memory database – Backup Concept

IBM Tivoli Storage Manager – Overview and Background

IBM Tivoli Storage Manager - Backup and Restore Process for SAP HANA

Summary

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What is SAP HANA

SAP HANA is SAP’s implementation of an in-memory database.

It takes advantage of the low cost of memory, data processing abilities of multi-core processor

architectures and fast data access of SSD technology relative to traditional hard drives

It is designed to deliver better performance of analytical and transactional applications.

SAP delivers HANA as an Appliance or within an Application Cloud

Currently SAP offers Data Warehousing applications to run on SAP HANA, however SAP plans

to enable SAP HANA for SAP ERP in the future

SAP HANA can be clustered and runs typically only one DB instance at a time.

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The All In-Memory Tale – Is my data safe?

The SAP HANA database holds the bulk of its data

in memory for maximum performance

But still uses persistent storage to provide a fallback

in case of system failure (e.g. power outage)

Time

Data savepoint

to persistent

storage

Log written

to persistent storage

(committed transactions)Power

failure

SAS Drivesoptimized for

Throughput(>800MB/s)

SSD Drives / FusionIOoptimized for

high IOPS / low latency(>100 000 IOPS)

Serverlocalstorage

Also provides local replicas on disk

Backup to other media is left to Backup vendors

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HANA Service Pack 2 could initially only perform either ’Recovery to Last Backup’ or

‘Older Data Back-up’ or ’Recovery to Last State Before Crash’

In Service Pack 3 SAP introduced Full Automatic or Manual Log Backup option and

a Point In-Time Recovery option. The SAP HANA Studio administration features

includes a Backup Catalog which records all backup attempts.

Full and Log Backups are offered

Recovery can perform log replay

Includes backup interface to external backup vendors

SAP HANA’s Data Protection Capabilities

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TSM for ERP is a proven, robust, high

performance and highly scalable backup solution

with a long tradition of supporting SAP databases

Equivalent level of support is provided for the

strategic in-memory database from SAP

Familiar TSM for ERP features are applied to

backup SAP HANA

Manage all files per backup as a logical entity

Run multiple Parallel sessions to TSM

Exploit multiple network paths

Backup to multiple TSM servers

Provide File Multiplexing

TSM Server

Flash

Copy

TDP for mySAP

2:1

2:1

TSM

Server

2:1

2:1

TSM

Server

Compression

Compression

Multiple PathMultiplexing Multiple Server

IBM Tivoli Storage Manager for ERP, protecting SAP Databases

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HDD

IBM Tivoli Storage Manager for SAP HANA databases

node01 node02 node03 node04

backup

shared file system

HDD HDD HDD HDD

Backup files

Save pts & redo logs

Backup / Recovery for

•SAP HANA Database

•Redo Logs

•Configuration Files

SAP HANA

DB partition 1 DB partition 2 DB partition 3 DB partition 4

IMDB

- Run on 1 node in HANA

cluster

- Trigger HANA backup into

filesystem

- Send backup files for all

nodes to TSM

- Exploit high performance

features as needed

TSM Data Protection for SAP

HANA databases

TSM for ERP

TSM Server

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Backup Flow

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Backup Process

Step 1: DB Consistency : SAP HANA is setting itself into backup mode

Step 2: File DUMP: SAP HANA is backing up itself to the filesystem

Step 3: DB Consistency : SAP HANA is resuming from backup mode

Step 4: TSM for ERP reads all files which make up the database (backup.sh –data) and sends them to TSM. Configuration files are also included. Alternatively Logs can be backed-up (backup.sh –logs)

All steps are automatically initiated by TSM for ERP via the backup.sh command

This command can be scheduled via CRON, Tivoli Workload Scheduler, TSM Scheduler,…

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Start HANA Backup: One Command

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Automated Backup Process

SAP HANAIn-Memory database

SAP HANA appliance

Local disk

Dump of in-memory dataDP for SAP HANA

datamover

DP for SAP HANA

backup.sh

TSM server

Drives the backup in console modeCan be easily scheduled

• Use Command 'backup.sh –data‘ for full

database backup to TSM

• Use Command 'backup.sh –logs‘ for backup

of redo logs to TSM

• Schedule to run regularly

• Same frequency as HANA configuration

parameter 'log_backup_timeout_s'

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Recovery Flow

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Recovery Process

Step 1: Restore: TSM for ERP restores all files, which make up the database and sends them to the filesystem

Step 2: Recovery: SAP HANA Studio is running the recovery process by reading the files from disk

Two steps are required for Recovery:

Start TSM for ERP (through the backup.sh command) and import through SAP HANA Studio

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Restore from TSM

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SAP HANA Recovery I

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Recovery Flow

SAP HANAIn-Memory database

SAP HANA appliance

Local disk

Dump of in-memory dataDP for SAP HANA

datamover

DP for SAP HANA

restore.sh or backfm

TSM server

Drives the restore of data

from TSM

SAP HANA Studio

Used to perform final recovery

•Restore to most recent state

•Restore to a specific point in time

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IBM Tivoli Storage Manager for ERP: Looking Ahead

Tivoli’s SAP HANA Support is in two phases:

First phase is within TSM for ERP 6.4, second phase is planned for next year, it encompasses:

Tighter integration

Current integration is a two step backup and recovery process, second phase is planned to be one step each

TSM for ERP Admin Assistant support

Leveraging SAP new SAP HANA Backup interfaces

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FAQ

Does SAP HANA support ‘incremental forever’ or ‘progressive backup’?

No, currently it’s traditional FULL with LOG Backups.

Why is TSM for ERP being used and not the TSM B/A Client?

We are taking advantage of the TSM for ERP enhanced performance features and current market position.

Why are backup data temporarily stored on disk?

First phase of TSM for ERP needed to be announced in time, the second phase is planned to eliminate this step.

Are all TSM for ERP performance features being leveraged?

YES, with the exception of run length compression.

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IBM Tivoli Storage Manager provides backup & restore of SAP HANA databases

Tivoli Storage Manager is a proven, robust, high performance and highly scalable backup solution with a long tradition of supporting SAP databases, like DB2 and Oracle

Tivoli Storage Manager has been enhanced to provide an integrated and automated backup and restore solution for SAP HANA

Tivoli Storage Manager currently runs a Beta program with selected SAP HANA customers

General availability for TSM/HANA support will be November 16th 2012 (eGA TSM 6.4)

“Tivoli Storage Manager enhancement to support SAP HANA is another example of the broad customer centric partnership between IBM and SAP", Craig Jonsson, Vice President, Global IBM Alliance, SAP AG

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Product Information:

– TSM for ERP product page

– Tivoli Storage Manager Data Sheet Web Page Tech Info

– Tivoli Storage Manager Suite for Unified Recovery Data Sheet Web Page Tech Info

– Tivoli Storage Manager for Virtual Environments Data Sheet Web Page

– Tivoli Storage Manager FastBack Data Sheet Web Page Tech Info

– Tivoli Storage Manager FastBack for Workstations Data Sheet Web Page

– Tivoli Storage FlashCopy Manager Data Sheet Web Page

White Papers:

– Ten ways to save money with Tivoli Storage Manager

– ESG: Tivoli Storage Manager for Virtual Environments

– Unified Recovery Management

– Extend Tivoli Storage Manager to the Cloud

– Migrate to IBM Tivoli Storage Manager Easily and Confidently

– Leverage the IBM Tivoli Competitive Advantages in Storage Management

– Using IBM Data Reduction Solutions to Manage More Data with Less Infrastructure

– Advanced Reporting Capabilities for Smarter Storage Management

Solution information:

– Storage Management - Remote Office Data Protection

– Backup and Recovery - Unified Recovery Management

– Data Reduction - Storage Management in Cloud

DeveloperWorks: TSM Wiki

More Information

Visit these links for more information on IBM Tivoli Storage Manager

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For more information please visit IBM Tivoli Storage Manager

http://www-01.ibm.com/software/tivoli/products/storage-mgr/

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Global Alliance Solutions, SAP

Start HANA Backup

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Start TSM Backup

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Full Backup: Progress

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Finished Full Backup

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Start Log Backup

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Log Backup Progress

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Log Backup Finished

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Restore from TSM

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Global Alliance Solutions, SAPRestore from TSM Completed

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SAP HANA Recovery I

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SAP HANA Recovery II

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SAP HANA Recovery III

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SAP HANA Recovery III

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SAP HANA Recovery IV

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SAP HANA Recovery V

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SAP HANA Recovery VI

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SAP HANA Recovery VII

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SAP HANA Data Protection Guide

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