S/4 HANA Journey 2011 - 2015 SAP HANA System Replication SUSE Linux Disaster Recovery Solution for SAP HANA Customer examples

1. SAP S/4HANA Disaster Recovery Confidence
December 8, 2015
Carl Dubler: carl.dubler@sap.com
Dirk Oppenkowski: dop@suse.com
Public

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Agenda
Introduction
SAP HANA System Replication Overview
SAP HANA HA/DR scenarios
Q & A

3. Introduction

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SUSE Linux Enterprise + SAP HANA
SAP HANA was developed on SUSE
7,000+ SAP HANA customers on SUSE
SAP HANA Enterprise Cloud runs on SUSE
SAP IT runs SAP HANA on SUSE
17 out of 17 SAP HANA benchmarks on SUSE

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SUSE Linux: Technology Leadership
SAP uses SUSE Linux as development platform for UNIX/LINUX
Co-developed Netweaver 7.30 Cluster certification
#1 provider for SAP HANA Scale-up HA/DR
Currently in Ramp-up for SAP HANA Scale-out HA/DR
20,000+ SAP customers rely on SUSE Linux

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SAP HANA, our great simplifier for enterprise applications
Including Carl’s non-official opinion on his journey to understanding!
SAP
HANA
SAP Business
Warehouse
powered by
SAP HANA
SAP Business
Suite powered
by SAP HANA
SAP S/4HANA
Finance
 Real-time analysis
 Real-time reporting
 Real-time business
 OLAP and OLTP together
 SAP HANA Enterprise
Cloud for SAP Business
Suite on SAP HANA
 In-memory
platform
 Instant financial insight
 No aggregates
 Single source of truth
 Simplified data model
 New user experience
 Advanced processing
 Choice of deployment
2011 20132012 2014 2015
“In-memory
OLAP?”
“Makes sense”
“OK. If you need
every bit of speed.”
“Re-architected.
I get it now.”
ERP “digital core”

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SAP S/4HANA
SERVICE
SAP S/4HANA
HUMAN RESOURCES
SAP S/4HANA
MANUFACTURING
SAP S/4HANA
SUPPLY CHAIN
SAP S/4HANA
MARKETING
SAP S/4HANA
FINANCE
SAP S/4HANA
SALES
SAP S/4HANA
SOURCING &
PROCUREMENT
SAP S/4HANA
ASSET
MANAGEMENT
SAP S/4HANA
RESEARCH &
DEVELOPMENT
Enterprise Management
TheDigitalCore
TheDigitalCore
SAP S/4HANA Enterprise Management: The Digital Core
Streamlined
Procure to Pay
Accelerated Plan
to Product
Optimized Order
to Cash
Enhanced
Request to
Service
Core Finance
Core Human
Resources

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Customer Success Story
Engage a single vendor for
database and IT applications
Standardize IT server
landscape to reduce cost and
complexity of its IT operations
Increase flexibility of its SAP
ERP solution by migrating from
Itanium-based servers to
Industry-standard Intel Xeon
servers
Geberit is a leading manufacturer of sanitary products, employing
approximately 6,000 people worldwide. The company has 16 production
facilities in Europe, China and the USA, and sells its products in 41 countries.
Infrastructure costs reduced
by 50%
Performance improvements
between 22% and 60%
72% reduced data volume
Integrated support between
SAP and SUSE reduces
administration effort
SUSE Linux Enterprise
Server for SAP
SUSE Linux High Availability
solution for SAP HANA
Migrated all SAP systems
from Oracle to SAP HANA
VMWare VSphere
HP BL680c servers
Fritz & Macziol
implementation partner

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Greenply Industries Ltd.
Spinoff of decorative business
necessitated new SAP ERP
Platform
Existing AIX/DB2 infrastructure
too expensive and slow
Integrate supply chain with
manufacturing to adjust
production with demand in
real-time
Greenply Industries is India’s largest interior infrastructure company with four
state-of-the-art manufacturing facilities for plywood and MDF. Greenply has 45
branches across India and a distribution chain that spans more than 300 cities,
1,550 distributors and 10,000 retailers.
99.999% Availability for
SAP Applications
SAP HANA license costs
offset by cost-competitive
infrastructure
Business users have real-
time visibility into supply-
chain and can leverage 8-
10 years of historical data
Full backup takes 15
minutes compared to 10
hours
SUSE Linux Enterprise
Server for SAP
SUSE Linux High Availability
solution for SAP HANA
SUSE Manager
SAP HANA for ERP
VMWare VSphere
Cisco UCS server

10. SAP HANA System Replication Overview

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SAP HANA Business Continutity
HW SAP
Business Continuity
HA
per Datacenter
Disaster recovery
between Datacenter
SAP HANA Host Auto
Failover
(scale out with standby)
SAP HANA System Replication SAP HANA System Replication
SAP HANA Storage Replication
SAP
HW
SAP

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Automate SAP HANA System Replication
SAP HANA System
Replication
“sr_takeover” is a
Manual process

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Automate SAP HANA System Replication
SUSE High
Availability Solution
Automates the
“sr_takeover”
SAP HANA System
Replication

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Automate SAP HANA System Replication
Service Level Agreement
improves
SAP HANA System
Replication
SUSE High
Availability Solution

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Reliable, Scalable and Secure Operating System
SUSE Linux Enterprise Server
High Availability
SAP Netweaver & SAP HANA
Faster Installation
SAP Installation Wizard
Page Cache
Management
Antivirus
ClamAV
Specific Update Channel
24x7 PRIORITY SUPPORT for SAP
24x7 PRIORITY SUPPORT for SAP
PRIORITYSUPPORTforSAP
PRIORITYSUPPORTforSAP
18 Month Grace Period
Long-Term Service Pack Support
Simplify Linux for SAP Workloads
SUSE Linux Enterprise Server for SAP Applications 11

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SAP HANA System Replication
Powered by SUSE High Availability Solution
resource failover
active / active
node 1 node 2
N M
A B
N M
A B
HANA
Database
HANA
memory-preload
A B
System
Replication
HANA PR1
primary
HANA PR1
secondary
Performance optimized
 Secondary system completely used for the preparation of a possible take-over
 Resources used for data pre-load on Secondary
 Take-overs and Performance Ramp shortened maximally

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From Concept to Implementation
SUSE High Availability Solution for SAP HANA
SAP HANA
Primary
SAP HANA
Secondary
vIP
SAPHana
Master/Slave Resource
Master Slave
SAPHanaTopology
Clone Resource
Clone Clone
suse01 suse02
Cluster Communication
Fencing

18. SAP HANA HA/DR scenarios

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Allowed Scenarios
Scale-Up performance-optimized - syncron (=>)
A => B
Scale-Up in a chain or multi tier - asyncron (->)
A => B -> C
Scale-Up in a cost-optimized scenario (+)
A => B + Q
Scale Up in a mixed scenario
A => B -> C + Q
Now all with multi tenancy (%) - here cost optimized
%A => %B + %Q

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Performance-Optimized
Single-tier System Replication and memory preload
Pacemaker
System Replication
node 1 node 2
SAP HANA
PR1 primary
SAP HANA
PR1 secondary
System
PR1
vIP
System
PR1
Performance optimized (A → B)
Secondary system completely used for the preparation of a possible take-over
Resources used for data pre-load on Secondary
Take-over performance much faster than a cold start

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Cost-Optimized
Single-tier System Replication and DEV / QAS
System
PR1
System
DEV
Cost optimized (A → B + Q)
Operating non-prod systems on Secondary
During take-over the non-prod operation has to be ended
Take-over performance similar to cold start-up
Needs another disk stack for non-prod usage load
Pacemaker
System Replication
node 1 node 2
SAP HANA
PR1 primary
SAP HANA
DEV / PR1 secondary
System
PR1
vIP

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Multi Tier System Replication – Cascading Systems
Starting with version 0.149
Datacenter Datacenter
asyncsync
Production Local standby
with data preload
Remote standby system
with or without preload
(mixed usage with non-prod.)
Available since SAP HANA SPS7
(Three cascading systems)

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Multi-tier System Replication
Chain Topology ( A → B → C )
asyncsync
Cluster
P S
A B C
Default Setup - Chain
Cluster
async
P
A B C
only async now

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Multi-tier System Replication
Chain Topology ( A → B → C )
asyncsync
Cluster
PS
A B C
asyncsync
Cluster
P S
A B C
Default Setup - Chain
Cluster
async
P
A B C
only async now

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Multi-tier System Replication
Chain Topology ( A → B → C )
asyncsync
Cluster
PS
A B C
asyncsync
Cluster
P S
A B C
Default Setup - Chain
Cluster
async
P
A B C
only async now
Not allowed from SAP This would be a star

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async
Cluster
P
A B C
Only async
Multi-tier System Replication
Chain Topology ( A → B → C )

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async
Cluster
P
A B C
ADMIN:
Break Replication complete
async
Cluster
P
A B C
Only async
Multi-tier System Replication
Chain Topology ( A → B → C )

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async
sync
PS
A B
C Again a chain
async
Cluster
P
A B C
ADMIN:
Break Replication complete
async
Cluster
P
A B C
Only async
starting with version 0.149
Multi-tier System Replication
Chain Topology ( A → B → C )
ADMIN:
Create new SystemReplication

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SUSE SAPHanaSR in 3 Facts
Reduces complexity
- provides a wizard for easy configuration with just SID,
instance number and IP address
- automates the sr-takeover and IP failover ("bind")
Reduces risk
- includes always a consistent picture of the SAP HANA
topology
- provides a choice for automatic registrations and site
takeover preference
Increases reliability
- provides short takeover times in special for table preload
scenarios
- includes the monitoring of the system replication status to
increase data consistency

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Outlook: HANA in a SUSE Linux Enterprise HA Extension Cluster
HANA Multi Node – System Replication / Scale-OUT
SUSE is still scoping and researching this cluster concept.
site 1 site 2
N M
A B
N M
A B
HANA
Database
HANA
memory-preloadA B
System
Replication
HANA PR1
primary
HANA PR1
syncmem
resource failover
active / active

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Four Steps to Install and Configure
Install SAP HANA
Configure SAP HANA System Replication
Install and initialize SUSE Cluster
Configure SR Automation using HAWK wizard

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SAPHanaSR HAWK Wizard

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What is the Delivery?
SUSE Linux Enterprise Server for SAP Applications
The package SAPHanaSR
 the two resource agents
 SAPHanaTopology
 SAPHana
 HAWK setup Wizard (as technical preview)
The package SAPHanaSR-doc
 the important SetupGuide

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Thank you
Dirk Oppenkowski, SUSE
SAP Alliance Director
dop@suse.com
Carl Dubler, SAP
Director, Product Marketing
carl.dubler@sap.com