Introduction to Data
Archiving
Georg Fischer,
Product Manager PDMS
SAP AG
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.
Agenda
1.
Overview
2.
Data Archiving Basics
3.
Data Archiving Applied
4.
Access to Archived Data
5.
Data Archiving Projects
6.
More Information
Data Archiving
File System
Archive and Delete
Store
Access
Display
Online
Database
Storage System
Benefits
1
System Availability
Faster and easier upgrade to
higher software releases.
Shorter runtime for backup and
recovery.
2
Use of Resources
Reduced hardware costs for
Disk, CPU, Memory as well as
administration costs.
Value Generation
through Data Archiving powered by SAP NetWeaver
3
Better Performance
Shorter response times in dialog
mode for all employees.
4
Legal Compliance
Meeting data retention
requirements and setting up
end-of-life scenarios.
Use of Resources – Storage Savings
Data Records
10 GB
Total savings in this scenario: 97.5%
Mirrors
20 GB
Archiving
Compression
to 20 %
2 GB
2 GB
Backup to Tape
System Copies
80 GB
Use of Resources – Distribution of Storage
Costs
“Hard disk costs represent less than a quarter of storage costs.”
(Giga Information Group)
“Administration costs for 1 Terabyte storage are five to seven times higher than the storage
costs”
(Dataquest/Gartner)
Various
(Training, other costs
10%
Environment
(Electricity, physical space)
3%
Storage Mgmt.
(Soft- & Hardware)
19%
Hard disk
23%
Personnel
Better Performance – Areas of Improvement
Reduce display of mature data
Faster DB access
Faster access to single documents
0
500
1000
1500
2000
2500
Month 1
Month 2
Month 3
Month 4
MB
/ msec
Number of Legal Requirements Keeps
Increasing
Laws and regulations affecting ever more media and data types
Laws and regulations growing across industries and countries
Agenda
1.
Overview
2.
Data Archiving Basics
3.
Data Archiving Applied
4.
Access to Archived Data
5.
Data Archiving Projects
6.
More Information
Data Archiving and Storage
Database
Application Data
File System
Data Objects
Storage System
Data Objects
SAP Business Suite
Storage System
Partner (Optional)
Storage
System
HSM
System
ArchiveLink
Alternative
Storage
Data Archiving in Relation to Optical Archiving
Incoming
Documents
Documents
Outgoing
Archive Files
Print Lists
Archive Development Kit (ADK)
Runtime solution for data archiving
Development tool for data archiving solutions
SAP
Application developers integrate archiving functionality into the application
Customer
Archiving solutions for customer-specific tables and extensions
ADK
Adjustment of code page, number format, structure
changes, compression, file handling, job scheduling
SAP Business Suite
Applications
Database
Archiving Object
Definition of logical units in business processes
All programs required for archiving, for example preprocessing, read,
write and delete programs
Definition of required Customizing
Archiving Object
Programs
Data
Customizing
Archive Administration –
Archive Administration – Central Access to
Archiving Logs
Archive Administration – Tables and Archiving
Objects
Archive Administration – Archive Information
System
Archive Management – Overview of Archiving
Sessions
Agenda
1.
Overview
2.
Data Archiving Basics
3.
Data Archiving Applied
4.
Access to Archived Data
5.
Data Archiving Projects
6.
More Information
Accessing Archived Data
Database
SAP System
Archive Files
ADK
100%
DRB
Application
Business view
Retrieval from DB + Archive
Business processes
x% Index / Archive Infostructure
Archive Information System
Flexible creation of archive file indexes
Configurable infostructures stored in transparent database tables
Manually filled using selected archive file(s)
Automatically filled during archive delete phase
Retrieval of archived data
Technical view for all archiving objects
Document lists
Based on infostructures
Based on ad hoc evaluation of selected archive files
Use of display variants
Using the Archive Information System
Archive Retrieval Configurator
Selection of the archiving object
Selection of the required field catalog
Selection and activation of the desired
infostructure
Status Management
Fill the infostructure with the required archive
file content
Archive Explorer
Select infostructure
Make field selections
Browse document list
Detailed display from the archive
Archive Information System
Create
Read
Archive Files
Archive
Information
Structure
Archive Retrieval
Document Relationship Browser (DRB)
Display
Database
User Interface
Archive Explorer
Transaction ALO1
User role SAP_DRB
Application transactions
Display of business processes across archive
and database boundaries
Archive
Files
Application
Data
Infra-structure
Display Archived Data from Within an
Application
Exception: Reloading Archived Data
2
1
Scenario
Reload in the test system
Data in a test environment can be reloaded
at any time, since this does not affect
operational data (cannot result in business
inconsistencies)
Scenario
Reload immediately after
archiving
Restoring the database due to an
error (e.g. incorrect selection,
incorrect customizing of residence
times)
Reloading archived data back into the DB should be
considered only in the following cases:
Reload function is not available
for all archiving objects
Agenda
1.
Overview
2.
Data Archiving Basics
3.
Data Archiving Applied
4.
Access to Archived Data
5.
Data Archiving Projects
Finding the Right Time
1
A „healthy“ System
Data Archiving should not be seen as the last
resort for preventing total system collapse
after all other means have been exhausted.
2
Early Planning
Ensure that the performance of your
systems remains efficient.
3
Interdisciplinary Process
Data Archiving requires a high degree of cooperation between
user and IT departments.
Table Growth in Accounting at a Customer
Site
Database Size
0 50 100 150 200 250 300 350 400 450 500 M ont h 1 M ont h 2 M ont h 3 M ont h 4 M ont h 5 M ont h 6 M ont h 7 M ont h 8 M ont h 9 Mo n th 10 Mo n th 11 Mo n th 12 Date [G B]1.90
33.17
Month 1
2.92
36.09
Month 2
37.69
73.78
Month 3
64.18
137.96
Month 4
52.05
190.01
Month 5
66.98
256.99
Month 6
52.37
428.37
Month 9
51.13
376.00
Month 8
67.88
324.87
Month 7
Monthly Growth in GB
Size in GB
Date
Considerations Before Data Archiving
Is the data
still required?
Can the data be
summarized?
Can the data be archived?
Yes
Summarize
data
No
No
Data
remains
in the
database
Deactivate
the creation
of the data
Yes
Yes
Can the data be deleted?
Archive
data!
No
Yes
Delete
data!
No
Yes
Detailed Data Archiving Statistics
Automatically collected statistics can be used to
Demonstrate the use and need for data archiving
Better plan future archiving projects
Recognize resource bottlenecks early on
Statistics can be
Stored
Displayed
Standard statistics log
Analyze statistics in Archive Administration (transaction SARA)
Space information: Database space and disk space
Amount: Number of data objects, structures, and delete jobs
Time: Job duration
Rule of thumb:
Compression factor
of five – DB size vs. file size
The greater the number and the variation of archiving
Customer Example – Visualized
2.000
4.000
6.000
8.000
10.000
Size
in GB
Jan
Mar
May
Jul
Sep
N
ov
Jan
Mar
May
Jul
Sep
N
ov
Jan
Mar
May
Jul
Sep
N
ov
Jan
Total database size
Allocated DB space
Total amount archived
Estimated DB size without archiving
5.5 TB
9.2 TB
3.8 TB
3.2 TB
2007
2006
2005
2004
Agenda
1.
Overview
2.
Data Archiving Basics
3.
Data Archiving Applied
4.
Access to Archived Data
5.
Data Archiving Projects
Important Sources of Information
ILM in SAP Service Marketplace
http://service.sap.com/ilm
Is Your Missing ILM Strategy Putting You at Risk?
From Birth to Burial
Information Lifecycle Management at SAP
Data Archiving:
Media Library
Presentations
Introduction to Data Archiving
Media Library
Literature & Brochures
Data Management Guide
Introduction to Data Archiving
Reports and Transactions for Accessing
Archived Data
Data Volume Management
http://service.sap.com/dvm
Archive Migration and Archive Conversion
http://service.sap.com/slo
Data Archiving in Print - 2
nd
Edition
Revised new edition with
up-to-date information for
SAP NetWeaver 7.0
SAP ERP 6.0
New functions and technologies,
e.g.
Introduction to ILM
Archive Routing
XML-based archiving
Table analysis with TAANA
Authors
SAP archiving experts
More information
www.sappress.de
ISBN: 978-3-89842-796-8 (German)
ISBN: 1-59229-008-6 (English)
SAP Customer Training
BIT660 Data Archiving
Level 3
3 Days
BIT670 Data Archiving – Retrieval
Level 3
2 Days
BC680*/WDE680 (USA/Germany)
Level 3
2 Days
*on demand only
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