White Paper
PROTECTING SAP HANA WITH EMC
NETWORKER
 Efficient SAP HANA migration from physical to virtualized
environments
 Easy scheduling of routine backup
EMC Solutions
Abstract
This White Paper validates the functionality of EMC NetWorker as a tool for
protecting SAP HANA systems through NetWorker Module for SAP (NMSAP),
while continuing to protect other data center systems, on both physical and
virtualized environments, with comprehensive, integrated backup and restore
facilities.
February 2015
Copyright © 2015 EMC Corporation. All Rights Reserved.
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All trademarks used herein are the property of their respective owners.
Part Number H13937
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Table of contents
Executive summary............................................................................................................................... 5
Business case .................................................................................................................................. 5
Solution overview ............................................................................................................................ 5
Key results/ recommendations ........................................................................................................ 5
Introduction.......................................................................................................................................... 6
Purpose ........................................................................................................................................... 6
Scope .............................................................................................................................................. 6
Audience ......................................................................................................................................... 6
Technology overview ............................................................................................................................ 7
Overview .......................................................................................................................................... 7
Hardware resources..................................................................................................................... 8
Software resources ...................................................................................................................... 8
EMC NetWorker ................................................................................................................................ 8
EMC NetWorker Module for SAP (NMSAP) ......................................................................................... 8
NMSAP features specific to SAP HANA.............................................................................................. 9
SAP HANA database ......................................................................................................................... 9
Single-host configuration (scale-up) .......................................................................................... 10
Multi-node cluster configuration (scale-out) .............................................................................. 10
SAP HANA persistence ................................................................................................................... 11
SAP HANA on vSphere .................................................................................................................... 12
Testing and validation ........................................................................................................................ 14
NMSAP for SAP HANA configuration ............................................................................................... 14
Migrating from a physical to a virtualized environment using NMSAP ............................................. 16
Test validation steps ................................................................................................................. 17
Validation results ...................................................................................................................... 18
Virtual HANA backup and recovery with HANA Studio and NMSAP .................................................. 18
Recovering virtual HANA to its most recent state........................................................................ 18
Validation results ...................................................................................................................... 19
Recovering virtual HANA to a specific point in time .................................................................... 20
Validation results ...................................................................................................................... 21
Automate backup through NetWorker console and SAP GUI ........................................................... 21
Validation results ...................................................................................................................... 24
Conclusion ......................................................................................................................................... 25
Summary ....................................................................................................................................... 25
Findings ......................................................................................................................................... 25
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References.......................................................................................................................................... 26
EMC documentation ....................................................................................................................... 26
SAP documentation ....................................................................................................................... 26
VMware documentation ................................................................................................................. 26
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Executive summary
Business case
When adding SAP HANA to the data center portfolio, a key concern is the need for
new procedures and tools for its effective implementation. This concern is justified,
as experienced IT professionals know that dispersion of technology stacks, tools, and
processes can entail a greater risk of IT failure, more difficulty when implementing
change, and higher operational cost and complexity.
In many organizations, IT processes are organized so that a central tool is used to
protect and recover data within the data center, along with consistent processes to
manage backup and restore. These tools and processes are usually operated by a
team implementing a company-wide data protection strategy based on the key
service-level objectives—Recovery Time Objective (RTO) and Recovery Point Objective
(RPO).
With earlier versions of SAP HANA, organizations usually had to add yet more tools,
processes, and skillsets to back up and restore SAP HANA, since the built-in options
were quite limited.
With SAP HANA SPS05 came the HANA BACKINT interface, which enables integration
with third-party backup tools. This allowed EMC to develop that integration into EMC
NetWorker, enabling customers to keep their data center practices consistent by
using a single tool to protect SAP HANA and other data center applications, across
both physical and virtualized environments.
Solution overview
EMC NetWorker Module for SAP (NMSAP) is an add-on module for the NetWorker
server and client that provides backup and recovery services for SAP HANA. Database
administrators can continue to use existing, familiar workflows to protect virtual SAP
HANA with NMSAP. The solution described in this paper covers NMSAP configuration,
and automatic backup and test validation including virtual SAP HANA migration,
backups, and recovery.
Key results/
recommendations
This solution shows that the NMSAP delivers:

Easy migration of SAP HANA from a physical to a virtualized environment

Compatibility between the NMSAP backup solution and the virtual HANA
database

Easy scheduling of routine backups by the NetWorker console
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Introduction
Purpose
This White Paper demonstrates the functionality of EMC NetWorker for backup and
restore of SAP HANA applications on both physical and virtualized environments,
using SAP HANA Studio or SAP NetWeaver DBA Cockpit, and NetWorker’s GUI. The
paper aims to show that EMC NetWorker Module for SAP (NMSAP) can enable
organizations to consolidate scheduling, management, and reporting of backup and
recovery across the data center, using a single tool that also backs up SAP HANA
databases.
Scope
This document provides test validation of migration, backup, and recovery of virtual
SAP HANA with NMSAP and serves the following purposes:

Introducing the key solution technologies

Describing the key business benefits of using NMSAP with virtual SAP HANA

Describing how to configure NMSAP for virtual SAP HANA migration and
backup

Describing how to recover virtual SAP HANA with NMSAP
SAP does not currently support incremental or differential data backups. For more
information on SAP HANA backup and recovery, refer to the SAP HANA Administration
Guide and SAP Note 1642148.
To refresh or repurpose a SAP application running on HANA (with SID changed), SAP
does not currently support backint.
Audience
This document is intended for data center architects who define backup and recovery
standards for the data center (including SAP HANA systems), as well as for SAP
system administrators who wish to integrate SAP HANA with EMC NetWorker. This
document may also be useful to architects and administrators responsible for
implementing backup and recovery strategies for SAP HANA across physical and
virtualized environments.
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Technology overview
Overview
In this solution, an external storage array provides the persistence for data and log
volumes of both the physical and virtual HANA systems, as shown in Figure 1. EMC
NetWorker is used to back up and restore the HANA database, and to migrate it from
a physical environment to a virtualized environment.
Figure 1.
Solution architecture
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Hardware resources
Table 1 describes the hardware components used in the deployment.
Table 1.
Solution hardware resources
Equipment
Quantity
Configuration
Storage
1
EMC VNX8000
ESXi host
2
Four 10-core CPUs, 384 GB RAM
Physical host
1
Four 10-core CPUs, 384 GB RAM
Ethernet switches
2
10 Gb Ethernet (GbE)
SAN switches
2
8 Gb FC
Software resources
Table 2 describes the software components used in the deployment.
Table 2.
EMC NetWorker
Solution software resources
Software
Version
Description
EMC NetWorker
8.2
Backup and restore
software
EMC NetWorker Module for
SAP
8.2
NetWorker Module for SAP
backup and recover
EMC PowerPath/VE
5.8
Multipathing software
EMC Block Operating
Environment
5.33
Operating environment for
VNX
SUSE Linux
11 SP3
Operating system for SAP
HANA
VMware ESXi
5.5.0
Hypervisor
VMware vCenter Server
5.5.0
vSphere management
server
SAP HANA database
SPS08
SAP in-memory database
EMC NetWorker is a storage management software suite that provides backup,
recovery, and other services to hosts with a wide variety of operating systems and
data types. NetWorker products for different operating systems are interoperable.
NetWorker provides the flexibility to design a storage management system that works
best with the current computing environment.
EMC NetWorker
Module for SAP
(NMSAP)
EMC NetWorker Module for SAP (NMSAP) is an add-on module for the NetWorker
server and client that provides backup and recovery services for SAP HANA and SAP
with Oracle data. NMSAP provides a backup-restore interface between the SAP
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backup and restore interfaces, the NetWorker server, and the NetWorker Management
Console (NMC).
NMSAP features
specific to SAP
HANA
A SAP HANA database holds most of the data in memory but also uses persistent
storage on disk. During normal database operations, the data is automatically saved
from memory to the disk at regular intervals. All data changes are also captured in the
redo log on disk, which is updated after each committed database transaction. The
data on disk must be backed up to ensure protection against disk failure. NMSAP is
integrated with the SAP HANA BACKINT interface program, hdbbackint, to provide the
backup, deletion, inquiry, and recovery services for SAP HANA database data and
redo logs. Based on the features that SAP HANA supports, NMSAP supports the
following SAP HANA data operations:

Manual and scheduled backups

Online backups

Full database backups

Redo log backups

Recovery of a database to its most recent state, a specific point in time, a
specific data backup, or a log position

Recovery to the original host or an alternate host

Deduplication backups and restores with a Data Domain system

Client Direct backups to an advanced file-type device (AFTD)

Configuration with the Backup Configuration Wizard
NMSAP works with the following SAP HANA interfaces on the database server to
perform backup and restore operations:
SAP HANA
database

SAP HANA command line interface (CLI) with the hdbsql command

SAP HANA Studio GUI

SAP DBA Cockpit in the Computing Center Management System (CCMS) GUI
SAP HANA is an in-memory database that combines transactional data processing,
analytical data processing, and application logic processing in memory. This design
enables real-time online application processing (OLAP) analysis on an online
transaction processing (OLTP) data structure.
SAP HANA can be delivered as an appliance with factory-installed hardware,
operating system, and SAP HANA database software. This configuration can be based
on either a single node or a multi-node cluster, using certified hardware provided by
SAP’s hardware partners. It can also be delivered under SAP’s Enterprise Shared
Storage and Tailored Data center Integration program, which allows customers to use
their existing infrastructure.
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As shown in Figure 2, the SAP HANA architecture can be deployed in two basic
configurations:

Single-host (scale-up)

Multi-node cluster (scale-out)
Figure 2.
SAP HANA system architecture
Single-host configuration (scale-up)
In an SAP HANA single-host configuration, all SAP HANA components run on a single
server. The persistence layer resides on server internal flash and SAS disks. The
scalability of the database is limited by the amount of RAM that can be installed in
the server. A single-host configuration does not provide High Availability (HA)
functionality.
Multi-node cluster configuration (scale-out)
In a multi-node cluster configuration, the SAP HANA database is distributed across
multiple servers. The scalability of the database is achieved by adding servers to the
cluster. Shared storage is required for a multi-node cluster configuration to provide
HA functionality. Each node uses its own persistent devices on the shared storage
layer. In case of a node failure, the SAP HANA HA feature reassigns the storage
persistence to a standby node, which recreates the in-memory database part from the
storage persistence.
In a distributed scale-out environment, one node (usually the first one installed) is
the master node. It handles the workload of the NetWeaver stack, the statistics and
the tables located in the row store. For a HANA scale-out database, it is a requirement
to have at least three nodes. In a two-node landscape, the table distribution and the
degree of parallel processing do not usually provide worthwhile benefits over a
single-node configuration.
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SAP HANA
persistence
The SAP HANA in-memory database holds the bulk of its data in memory for maximum
performance but still uses persistent storage to provide for startup and recovery in
case of a failure. The SAP HANA persistence uses two volumes, Data and Log, as
shown in Figure 3.
Figure 3.
The SAP HANA persistence layer
Data and log information are automatically saved to disk at regular savepoints as
shown in Figure 4 and described in the following sections.
Figure 4.
Persistence mechanism
Data Volume
Data in memory is asynchronously written to the persistence mechanism as a
savepoint every five minutes by default. This data volume capture method uses a
locking mechanism to prevent modification of pages while copying modified pages
and capturing open transactions before finally increasing the savepoint version and
releasing the lock.
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Log Volume
The log file system captures all database transactions since the last savepoint. It is
saved to disk continuously and synchronously after each database transaction
commit at the end of the disk write operation, or if the internal log buffer (1 MB) is
full. This information allows the database to be rolled back to any point in time, as
well as to back out of, or redo, individual transactions. In case of failure, the log
volume allows the database to be restored from the last savepoint onwards.
SAP HANA on
vSphere
SAP HANA now runs in production on vSphere, the foundation of the VMware vCloud
Suite. You can combine the power of the SAP HANA in-memory platform with vSphere
to achieve faster time-to-value, better service levels and lower TCO for your
production environments, and take the next step to the software-defined data center.
As shown in Figure 5, the benefits include:

Faster Time-to-Value—Accelerate and automate provisioning and reduce
deployment time to hours rather than days. Use template provisioning to
ensure consistency and scalability across environments.

Better Service Levels—With vSphere vMotion, live-migrate SAP HANA across
hosts in minutes with zero downtime and zero data loss. Ensure 99.9% high
availability and maximize uptime by automatically restarting SAP HANA virtual
machines with vSphere High Availability. Automatically manage peak analytic
workloads.

Lower TCO—Reduce capital expenditure (CapEx) by 70% and operational
expenditure (OpEx) by 56% through greater utilization of existing resources
and infrastructure. Unify and manage SAP HANA with the rest of your
virtualized data center. Improve resource utilization through simplified
operations management.
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Figure 5.
SAP HANA on vSphere benefits
For detailed information on virtualizing SAP HANA with VMware vSphere, refer to SAP
Note 1788665 and to the VMware documentation section.
A variety of techniques and tools are available to customers when migrating SAP
HANA on vSphere. In Migrating from a physical to a virtualized environment using
NMSAP, we show how to migrate SAP HANA on vSphere using NMSAP.
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Testing and validation
This section provides the detailed information on test scenarios and results. We
performed the testing of a single-node HANA backup and restore on a virtualized
environment. The test scenarios included:
NMSAP for SAP
HANA
configuration

NMSAP for HANA configuration

Migration from a physical to a virtualized environment using NMSAP

On-demand virtual HANA backup and recovery with NMSAP

Automated backup through the NetWorker console and SAP GUI
NMSAP is an add-on module for the NetWorker server and client software. In this
solution, we use the followings steps to configure the NMSAP for SAP HANA after
installing the NetWorker client and NMSAP software on the SAP HANA node.
1.
Create a SAP HANA user key and set the credential parameters. The SAP HANA
user key takes the higher precedence because it is more secure than the
standard username/password combination, as a password can be leaked
through the process list.
Create a user key BACKUP with the hdbuserstore command, as shown in
Figure 6. This key is then used in step 3.
Figure 6.
2.
Log in to the NetWorker console and right-click Clients in the Configuration
view under the NetWorker server name. Select New Client Wizard as shown in
Figure 7.
Figure 7.
3.
Using the hdbuserstore command
Create a NetWorker client on the NetWorker console
Specify the options and values required for the backup configuration on each
wizard page that appears. In this solution, we specify SAP HANA as
application type and the user key BACKUP, as created in step 1. The SID,
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instance number, and hdbsql directory are detected automatically by the
NMSAP module, as shown Figure 8.
Figure 8.
Specify options in New Client Wizard
4.
Create a new group for the new client in the wizard.
5.
On the HANA node, manually create the /usr/sap/<SID>/SYS/global/hdb/opt
subdirectory if it does not already exist.
6.
Copy the /usr/sbin/hdbbackint file to that directory or create a symbolic link
that points from /usr/sap/<SID>/SYS/global/hdb/opt/hdbbackint to the
executable file.
7.
Modify the parameter settings of the /etc/init_hana_nmsap.utl file, which is
the NMSAP for SAP HANA template configuration file. In this solution, we set
the parameters as shown in Table 3.
Table 3.
Parameter settings of NMSAP for SAP HANA configuration file
Parameter
Value
Comments
server
nw82.sap.sse.local
Hostname of the NetWorker server
client
saphandb
Hostname of the NetWorker client
pool
datadomain
Any pool defined in the NetWorker server
Note: HANA full backups can be directed to any device supported by NetWorker
such as tape drives, virtual disk library, basic file, or Data Domain. In this solution,
Data Domain is recommended since SAP HANA full backups benefit greatly from
data deduplication.
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8.
Enable the hdbbackint parameter file in SAP HANA Studio. As shown in Figure
9, the location of the parameter file /etc/init_hana_nmsap.utl is specified on
the Configuration tab of the HANA Studio Backup console. Select Use the
same parameter file data backup and log backup to use the same
configuration file for both data and log backup.
Figure 9.
Specify the location of NMSAP configuration file in HANA Studio
For full SAP environment protection (including applications such as ERP, BI, and so
on), we strongly recommend using NetWorker's powerful features to schedule regular
VMware image and critical files backup. This can include the instance profile, the
transport domain configuration file, and other critical files under the /sapmnt,
/usr/sap/, and /hana/shared file systems. Additional NetWorker clients can be
created for virtual machines for either traditional backup or VMware Consolidated
Backup (VCB).
For detailed configuration information, refer to the documents EMC NetWorker
Module for SAP Administration Guide and EMC NetWorker Administration Guide
Release 8.2.
Migrating from a
physical to a
virtualized
environment using
NMSAP
This test scenario validates that NMSAP can be used for migrating SAP HANA from a
physical to a virtual platform with a different OS patch level. Beyond that particular
validation, this scenario can also be used to restore the backup to a different host for
repurpose—for example, using the restored SAP system as a TEST system with the
same SID but using a different hostname.
In this solution, we restore to a virtual SAP HANA database from the backup of a
physical HANA saved on Data Domain using NMSAP. The OS patch of the virtual SAP
HANA database upgrades from SUSE Linux 11 SP2 to SP3 by migration.
Before you perform a physical-to-virtual SAP HANA migration, the following
prerequisites must be met:

A virtual SAP HANA database with the same SID, UID (User ID), and GID (Group
ID) as the physical HANA has been installed.
Note: Follow the SAP HANA Server Installation and Update Guide and Best Practices
and Recommendations for Scale-up Deployments of SAP HANA on VMware vSphere
documents to install SAP HANA on vSphere.
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
NMSAP software with the same parameter settings (including server, client,
and pool) as the physical HANA has been installed on the virtual HANA server.
Note: Follow NMSAP for SAP HANA configuration on page 14 to install and configure
NMSAP for virtual SAP HANA.
Test validation steps
Perform the following steps to validate:
1.
Query the record count of the physical HANA database table and OS version
as shown in Figure 10. This information is later used to validate the result
after the virtual HANA restore.
Figure 10.
2.
In HANA Studio’s physical HANA backup console, perform data backup for
physical HANA. Select Backint for Destination Type and type 4migration for
the backup name in the Backup Prefix text box, as shown in Figure 11. The
backup name is later used for the virtual HANA restore.
Figure 11.
3.
Query the record count of the physical HANA database table and OS version
Backup physical HANA through HANA Studio
In HANA Studio’s virtual HANA backup console, initiate a recovery SAP HANA
database to a specific data backup operation through HANA Studio. For
virtual HANA recovery, specify the same Destination Type and Backup Prefix
settings as the physical HANA backup, as shown in Figure 12.
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Figure 12.
4.
Virtual HANA recover
Start the recovery operation.
Validation results
We verified the table records count and OS version from the recovered virtual HANA
database. Figure 13 shows the table records count matching the values recorded on
the physical HANA with the OS patch upgraded. The HANA database is migrated to a
virtual machine with a different OS version using NMSAP for HANA and the data is
validated.
Figure 13.
Virtual HANA
backup and
recovery with
HANA Studio and
NMSAP
Validate table records count and OS version on virtual HANA
This test scenario validates that NMSAP integrated with the SAP HANA BACKINT
backup solution is compatible with a virtual HANA database. The testing includes:

Recovering virtual HANA to its most recent state

Recovering virtual HANA to a specific point-in-time
Recovering virtual HANA to its most recent state
Recovery of virtual HANA to its most recent state is required when database data or
log areas become unusable. This can happen if data or log files are damaged by a
false operation, a vSphere data store failure, and so on. In this solution, we validate
virtual HANA recovery to its most recent state with HANA Studio and NMSAP by
simulating data file corruption.
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Test procedure
1.
Query how many table records are in the virtual HANA database after 1,000
records are inserted, as shown in Figure 14. This number is later used to
validate the restore result.
Figure 14.
Query table records count before database crash
2.
Delete one HANA data file manually to simulate a data file crash.
3.
Restart the virtual HANA database. Due to the missing data file, the restart
fails.
4.
In the SAP HANA Studio Specify Recovery Type window, select Recover the
database to its most recent state for the recovery type.
5.
Specify the log backup location and select the latest available data backup,
as shown in Figure 15.
Figure 15.
6.
Recover virtual HANA database to its most recent state
Start the recovery operation.
Validation results
We started the recovered virtual HANA database and verified the table records count.
Figure 16 shows that the table records match the values recorded before the table
records were deleted.
Figure 16.
Validate table records count after database recovered
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Recovering virtual HANA to a specific point in time
Recovery of virtual HANA to a specific point in time is required when a logical error
occurs such as accidental deletion of table records or a dropped table. In this
solution, we delete one table to simulate a database logic error. Using HANA Studio
and NMSAP, we then recover the virtual HANA to the point in time before the table
was dropped.
Test procedure
1.
Query the current table records count and timestamp, as shown in Figure 17.
Figure 17.
2.
Drop one table to simulate a database logic error, as shown in Figure 18.
Figure 18.
3.
Query current table records count and timestamp
Simulate database logic error
In the SAP HANA Studio Specify Recovery Type window, select Recover the
database to the following point in time as the recovery type. Specify the point
in time from step 1 in the Date and Time fields, as shown in Figure 19.
Figure 19.
Virtual HANA database point-in-time recovery
4.
Specify the log backup location and select the latest available data backup.
5.
Start the recovery operation.
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Validation results
We started the recovered virtual HANA database and verified the table records count.
Figure 20 shows that the table records match the values recorded before the table
records were deleted.
Figure 20.
Automate backup
through NetWorker
console and SAP
GUI
Validate table records number after database point-in-time recovery
SAP HANA database backup can be initiated either through HANA Studio or through
the NetWorker console. The NetWorker console enables centralized management of
NetWorker components (including NetWorker server, various clients, and backup
devices) and comprehensive data protection options within the enterprise. This test
scenario validates that automating the backup solution is compatible with a virtual
HANA database.
Test procedure
1.
In HANA Studio, ensure Enable Automatic Log Backup is selected, as shown
in Figure 21.
Figure 21.
Enable Automatic Log Backup setting
2.
In the NetWorker console, open the group properties of the virtual HANA
client.
3.
Set the Start time of the group, as shown in Figure 22. The NetWorker client in
the backup group begins automatic scheduled backups according to the start
time of the group.
Figure 22.
Set Start time in the NetWorker console
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4.
Set a schedule for the group. NetWorker software ships with preconfigured
schedules to meet varied backup requirements. New schedules also can be
created to accommodate specific needs. We used Full Every Day for SAP
HANA data protection, as shown in Figure 23.
Figure 23.
Set schedule in the NetWorker console
The SAP Basis administrator can also schedule backup of SAP Business Suite on
HANA through transaction code DB13 in the SAP GUI, as follows:
1.
Select BACKINT for Destination Type in the Action Parameters tab, as shown
in Figure 24.
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Figure 24.
2.
Select backup destination type in SAP GUI
Define a recurrence pattern in the Recurrence tab, as shown in Figure 25.
Figure 25.
Define a recurrence pattern in SAP GUI
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Validation results
Check the Save Sets of the NetWorker volumes, as shown in Figure 26. SAP HANA
data and log backup are automatically saved at the time scheduled.
Figure 26.
Volume Save Sets view in NetWorker console
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Conclusion
Summary
EMC NMSAP for HANA is an add-on module for the NetWorker server and client that
provides backup and recovery services for SAP HANA. It enables virtual HANA
migration, backup and restore operations with SAP HANA Studio, and automated
backup.
Findings
The test results for virtual SAP HANA backup and restore with NMSAP for HANA
presented here confirm the following:

NetWorker is an enterprise-class data protection solution that meets specific
needs. NMSAP for HANA enables comprehensive SAP HANA data protection
options within the enterprise.

NMSAP enables easy migration to virtual SAP HANA using existing physical
SAP HANA database backup. Migrating to a virtualized environment provides
the benefits of rapid provisioning, zero downtime, and low TCO.

The NMSAP backup solution is compatible with a virtual HANA database
including manual and automated backup, specific backup set restore, most
recent restore, and point-in-time restore.
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References
EMC
documentation
SAP
documentation
VMware
documentation
For additional information, see the following EMC documents (available on EMC.com
and on the EMC online support website):

EMC NetWorker Module for SAP – Installation Guide

EMC NetWorker Module for SAP – Administration Guide

EMC NetWorker and EMC Data Domain Boost Deduplication Devices
Integration Guide

EMC NetWorker Release 8.2 Administration Guide

EMC NetWorker Software Compatibility Guide

EMC NetWorker Module for SAP Release 8.2 and Service Packs
For additional information, see the SAP documents listed below.

SAP Note 1995460 - Single SAP HANA VM on VMware vSphere in production

SAP Note 1788665 - SAP HANA Support for VMware Virtualized Environments

SAP HANA Administration Guide - SAP HANA Platform SPS 08

SAP HANA Server Installation and Update Guide - SAP HANA Platform SPS 08

SAP HANA Guidelines for Being Virtualized with VMware vSphere
For additional information, see the VMware documents listed below.

SAP HANA on VMware vSphere 5.5 Best Practices Resource Guide

Best Practices and Recommendations for Scale-up Deployments of SAP HANA
on VMware vSphere
Protecting SAP HANA with EMC NetWorker
White Paper
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