What s New? SAP HANA SPS 07 Scale-Out, High Availability and Disaster Recovery (Delta from SPS 06 to SPS 07)

What s New? SAP HANA SPS 07 Scale-Out, High Availability and Disaster Recovery (Delta from SPS 06 to SPS 07) SAP HANA Product Management November, 2013

High Availability and Disaster Recovery

SAP HANA Storage Replication What s new for SAP HANA SPS 07

Certified HANA Hardware November 2013* (only China) Scale Out (BW) S - L M M, L M M S - L M M planned SoH: 1/2/4 TB 1/2/4 1/2/4 2/4 1 1 1/2/4 1/2 1/2/4 High Availability X X X X X X X X planned DR Storage Repl.: Async DR Storage Repl.: Sync X planned X X X X X planned First asynchronous solutions for SAP HANA Storage Replication certified, SAP note 1755396 adapted * For most up to date list please go to the SAP Product Availability Matrix 2013 SAP AG. All rights reserved. Public 7

SAP HANA System Replication What s new for SAP HANA SPS 07

Agenda High Availability & Disaster Recovery New offerings with SAP HANA Storage Replication New features for SAP HANA System Replication o Multi Tier System Replication allowing first 1:n setups: Three cascading systems in a row o Zero Downtime maintenance o Compressed log transfer o Basic encryption for internal communication 2013 SAP AG. All rights reserved. Public 9

Multi Tier System Replication First 1:n setups: Three cascading systems in a row Since SPS 07 SAP HANA System Replication allows chains of databases with more than one shadow system. Multi Tier System Replication (Cascading systems) Different transfer modes (SYNC/ASYNC) can be combined. Allows more sophisticated landscapes where System Replication can fuel not only one other data center. Further extensions of this 1:n concept are planned for later releases Campus cluster Metro cluster Sync Geo cluster Async RPO 0 Production Local standby Remote standby systems Three cascading systems with SPS 07 RTO < 30 min 2013 SAP AG. All rights reserved. Public 10

Zero Downtime maintenance Featured by SAP NetWeaver ABAP stack As an evolution of Near Zero Downtime Maintenance, SPS 07 now offers Zero Downtime Maintenance Based on connectivity suspend feature of the SAP NetWeaver ABAP stack (SAP note 1913302) o DBSL of the database interface decouples transaction management between ABAP and HANA database o This keeps transaction on ABAP layer alive and allows to change components (software versions) on the layers below on secondary (shadow) HANA instance When used in combination with SAP HANA software update, command line tool hdbupd has to used to do the update of SAP HANA software on secondary (HLM can not work without an online database and the secondary is not reachable without connecting it through the primary HANA instance) Further information also in Step-by-Step Implementation Guide for SAP HANA System Replication: https://scn.sap.com/docs/doc-47702 2013 SAP AG. All rights reserved. Public 11

Compressed log transfer Reduction of transfer amount HANA Log pages transfer with SAP HANA System Replication before SPS 07 Uncompressed Same format as log pages in online Log Volumes Size 4kB up to 1 MB granularity Commit can force the IO system to write down smaller chunks (log pages) because of synchronous character With SPS 07 the free space in these log pages can be compressed during transfer time Commits often produce nearly empty pages which now can be shortened Reduction of over all transfer amount. On secondary, these shortened pages are refit individually into official sized page and stored into log volumes 2013 SAP AG. All rights reserved. Public 12

Basic encryption for internal communication One security layer to rule them all Consolidating encryption entities Client communication encryption already available for long time (SSL) Realized on individual usage and engine Implementing a general purpose, basic encryption layer for all internal and external communication needs SAP HANA System Replication uses this new option for the internal communication 2013 SAP AG. All rights reserved. Public 13

Disclaimer This presentation outlines our general product direction and should not be relied on in making a purchase decision. This presentation is not subject to your license agreement or any other agreement with SAP. SAP has no obligation to pursue any course of business outlined in this presentation or to develop or release any functionality mentioned in this presentation. This presentation and SAP s strategy and possible future developments are subject to change and may be changed by SAP at any time for any reason without notice. This document is provided without a warranty of any kind, either express or implied, including but not limited to, the implied warranties of merchantability, fitness for a particular purpose, or non-infringement. SAP assumes no responsibility for errors or omissions in this document, except if such damages were caused by SAP intentionally or grossly negligent. 2013 SAP AG. All rights reserved. Public 14

Thank you Contact information Ralf Czekalla SAP HANA Product Management AskSAPHANA@sap.com To get the best overview of what s new in SAP HANA SPS 07, read this blog.

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