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. 2. 3. 4. 5. 6.
Overview Data Archiving Basics Data Archiving Applied Access to Archived Data Data Archiving Projects More Information
Data Archiving
Online Display
Access
Database
Application Data
File System
Data Objects
Archive and Delete
Storage System
Data Objects
Store
Benefits
Value Generation
1
through Data Archiving powered by SAP NetWeaver
System Availability Faster and easier upgrade to higher software releases. Shorter runtime for backup and recovery.
3
Better Performance Shorter response times in dialog mode for all employees.
2
Use of Resources Reduced hardware costs for Disk, CPU, Memory as well as administration costs.
4
Legal Compliance Meeting data retention requirements and setting up end-of-life scenarios.
Use of Resources – Storage Savings
Archiving
Data Records 10 GB
Mirrors 20 GB
Compression to 20 %
2 GB
2 GB
Backup to Tape
Total savings in this scenario: 97.5%
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)
Various (Training, other costs
10% Hard disk
Personnel
23%
45%
Storage Mgmt. Environment (Soft- & Hardware) (Electricity, physical space)
3%
19%
“Administration costs for 1 Terabyte storage are five to seven times higher than the storage costs” (Dataquest/Gartner)
Better Performance – Areas of Improvement
Reduce display of mature data Faster DB access Faster access to single documents 2500
MB / msec
2000
MSEG MB
MB51 msec
1500
1000
500
0 Month 1
Month 2
Month 3
Month 4
Number of Legal Requirements Keeps Increasing
Laws and regulations affecting ever more media and data types
Laws and regulations growing across industries and countries
Laws and regulations requiring data to be kept for longer periods
Agenda
1. 2. 3. 4. 5. 6.
Overview Data Archiving Basics Data Archiving Applied Access to Archived Data Data Archiving Projects More Information
Data Archiving and Storage Storage System Partner (Optional)
SAP Business Suite
ArchiveLink
Storage System Database
File System
Storage System HSM System Alternative Storage
Application Data
Data Objects
Data Objects
Data Archiving in Relation to Optical Archiving
Incoming Documents
Outgoing Documents
Hyperlink
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
Database
SAP Business Suite Applications
ADK Adjustment of code page, number format, structure
changes, compression, file handling, job scheduling
Archive Files
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
Customizing
Data
Programs
Archive Administration – Access via Role or Transaction SARA
Archive Administration – Central Access to Archiving Logs
Archive Administration – Tables and Archiving Objects
Archive Administration – Archive Information System
Archive Administration – Statistics
Archive Management – Overview of Archiving Sessions
Agenda
1. 2. 3. 4. 5. 6.
Overview Data Archiving Basics Data Archiving Applied Access to Archived Data Data Archiving Projects More Information
Accessing Archived Data
Database
Retrieval from DB + Archive Business processes
DRB
Business view Application
SAP System
Archive Files
AS 100%
ADK
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
Generic tool also for customer developments
Using the Archive Information System
Archive Information System Archive Retrieval Configurator
Archive Explorer
Create
Read Archive Information Structure
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 Files
Document Relationship Browser (DRB)
User Interface Archive Explorer Transaction ALO1 User role SAP_DRB Application transactions
Display Database Display of business processes across archive and database boundaries Application Data
Infrastructure
Archive Files
DRB – Find Related Documents
DRB – Display the Relationship Tree
Display Archived Data from Within an Application
Exception: Reloading Archived Data
1
Reloading archived data back into the DB should be considered only in the following cases:
2
Scenario
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)
Reload immediately after archiving Restoring the database due to an error (e.g. incorrect selection, incorrect customizing of residence times)
Reload function is not available for all archiving objects
Agenda
1. 2. 3. 4. 5. 6.
Overview Data Archiving Basics Data Archiving Applied Access to Archived Data Data Archiving Projects More Information
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
Month 12
Month 11
Month 10
Month 9
Month 8
Month 7
Month 6
Month 5
Month 4
Month 3
Month 2
500 450 400 350 300 250 200 150 100 50 0 Month 1
[GB]
Database Size
Date
Date
Size in GB
Monthly Growth in GB
Month 1
33.17
1.90
Month 2
36.09
2.92
Month 3
73.78
37.69
Month 4
137.96
64.18
Month 5
190.01
52.05
Month 6
256.99
66.98
Month 7
324.87
67.88
Month 8
376.00
51.13
Month 9
428.37
52.37
Considerations Before Data Archiving
Is the data still required? No
Yes
Can the data be summarized?
Yes
Summarize data Yes
No
Can the data be deleted? Deactivate the creation of the data
No
Yes
Delete data!
Can the data be archived? No Data remains in the database
Yes
Archive data!
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 objects used, the closer the factor is to five
Statistics
Customer Example – Visualized 10.000
Estimated DB size without archiving
9.2 TB
8.000
6.000
5.5 TB
Total amount archived
Allocated DB space
4.000
3.8 TB 3.2 TB
Total database size
2.000
2004
2005
2006
Jan
Nov
Sep
Jul
May
Mar
Jan
Nov
Sep
Jul
May
Mar
Jan
Nov
Sep
Jul
May
Mar
Jan
Size in GB
2007
Agenda
1. 2. 3. 4. 5. 6.
Overview Data Archiving Basics Data Archiving Applied Access to Archived Data Data Archiving Projects More Information
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 - 2nd Edition Revised new edition with up-todate 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) ISBN: 4-8222-5130-6 (Japanese) – 1st edition
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
http:/www.sap.com/education
Thank You!
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