SAP NetWeaver 7.0 SR3 System Copy Guide for Homogeneous and Heterogeneous Systems

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SAP SystemCopy是SAP针对其NetWeaver 7.0 SR3版本的系统复制解决方案，旨在帮助系统管理员和技术顾问在进行企业级应用软件部署和升级过程中实现系统的高效迁移。本指南详细阐述了从规划到实施的一系列步骤，包括术语定义、在线资源获取、系统架构理解、限制与约束、以及关键的准备工作如技术预置和数据库独立的系统复制。 1. **术语**：本章首先介绍了系统复制相关的专业术语，帮助读者理解各种概念，如同质化（Homogeneous）系统复制和异质化（Heterogeneous）系统复制，这是区分不同类型的系统迁移的关键。 2. **在线信息来源**： SAP提供了丰富的在线文档和资源，以便用户及时获取最新的系统copy最佳实践和更新，确保操作的准确性。读者需要访问SAP Service Marketplace（<http://service.sap.com/instguides>）获取最新版本的指导文档。 3. **系统架构**：在了解了基本术语后，章节深入探讨了基于NetWeaver 7.0 SR3的系统架构，这对理解系统如何连接各个组件和数据存储至关重要，包括ABAP（Advanced Business Application Programming）环境的配置。 4. **限制与约束**：本部分列出了在执行系统复制时可能遇到的限制条件，例如硬件兼容性、数据类型转换限制等，确保用户在规划阶段就充分考虑这些因素，避免后期出现问题。 5. **规划阶段**：章节涵盖系统复制的全面规划，包括评估目标系统需求、确定复制策略、备份和恢复计划等，以确保迁移过程的顺利进行。 6. **技术准备**：在预处理阶段，着重于技术层面的准备，如安装Java运行环境，这是许多SAP应用的基础，确保其在新环境中正常运行。 7. **数据库独立系统复制**：这一章详细描述了如何在不依赖特定数据库的情况下进行系统复制，这对于需要灵活迁移或未来数据库切换的项目尤其重要，确保数据的独立性和迁移的可扩展性。通过阅读和遵循本指南，系统管理员和技术顾问能够更有效地进行SAP SystemCopy操作，降低风险并提高迁移的成功率。定期更新文档确保了最佳实践和安全措施的同步，是整个流程中不可或缺的参考资料。

2 Planning

Dat abase OS Platf or m A v ailable Met hods

IBM DB2 f or z /OS

IBM Sys tem z Use one of t he f ollo wing:

Onl y v alid f or : UNIX

Sys tem cop y pr ocedure on UNIX using R3load

F or more inf or mation, see Sy stem Cop y Pr ocedure [page 2 6 ] .

End of: UNIX

Onl y v alid f or : W indo w s

Sys tem cop y pr ocedure on W indo w s using R3load

F or more inf or mation, see Sy stem Cop y Pr ocedure [page 2 6 ] .

End of: W indo w s

A dditional Inf or mation:

F or more inf or mation about t he IBM DB2 f or z /OS

specific pr ocedure f or a homogeneous sys tem cop y

onl y , see IBM DB2 f or z /OS Specific Pr ocedure [page 7 9 ] .

When R3t a is used t o split t ables, DELETE wit h WHERE

is no t per f or med if im por t err or s occur in t he t ar get

sys tem.

F or more inf or mation, see S AP N o te 7 7 8 7 2 9 .

Or acle UNIX Use one of t he f ollo wing:

Onl y v alid f or : UNIX

Sys tem cop y pr ocedure on UNIX using R3load

F or more inf or mation, see Sy stem Cop y Pr ocedure [page 2 6 ] .

End of: UNIX

R3load met hod wit h Expor t /Im por t Monit or s

F or more inf or mation, see R3load Pr ocedures Using t he Mig r ation

Monit or [page 1 0 7 ] .

Or acle -specific pr ocedure f or a homogeneous sys tem cop y

onl y

F or more inf or mation, see Or acle -Specific Pr ocedure [page 6 1 ] .

Or acle W indo w s Use one of t he f ollo wing:

Onl y v alid f or : W indo w s

Sys tem cop y pr ocedure on W indo w s using R3load

F or more inf or mation, see Sy stem Cop y Pr ocedure [page 2 6 ] .

End of: W indo w s

R3load met hod wit h Expor t /Im por t Monit or s

F or more inf or mation, see R3load Pr ocedures Using t he Mig r ation

Monit or [page 1 0 7 ] .

Homogeneous sy s tem cop y onl y : Or acle bac k up /res t ore

met hod

F or more inf or mation, see Or acle -Specific Pr ocedure [page 6 1 ]

and S AP N o te 6 7 6 4 6 8 .

MS SQL Ser ver W indo w s Use one of t he f ollo wing:

Onl y v alid f or : W indo w s

Sys tem cop y pr ocedure on W indo w s using R3load

F or more inf or mation, see Sy stem Cop y Pr ocedure [page 2 6 ] .

End of: W indo w s

R3load met hod wit h Expor t /Im por t Monit or s

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3 Prepar ations

Bef ore y ou s t ar t t he sys tem cop y , y ou mus t per f or m t he f ollo wing prepar ation s teps:

3. 1 Gener al Tec hnical Prepar ations

T o make a consis tent cop y of t he dat abase, y ou need t o prepare t he sour ce sys tem and per f or m some

subseq uent actions on t he t ar get sys tem. This is no t necessar y when per f or ming a tes t r un.

The f ollo wing descr ibes im por t ant prepar ations. F or more inf or mation about S AP sys tem

adminis tr ation, see t he S AP Online Document ation .

Bef ore y ou s t ar t a sys tem cop y , c hec k t he minimum ker nel patc h level req uired b y t he suppor t

pac kage level of t he sour ce sys tem. It might be necessar y t o replace t he S AP ker nel delivered wit h

t he ker nel D VD of t he ins t allation kit and ins t alled dur ing t he ins t allation of t he t ar get sys tem b y a

newer ker nel patc h level bef ore s t ar ting t he t ar get sys tem. If y ou ha ve t o replace t he delivered S AP

ker nel, y ou can do t his af ter t he ins t allation of t he centr al ins t ance.

Bef ore y ou s t ar t t he expor t on y our sour ce sys tem, c hec k t hat y our J A V A_HOME en vir onment

points t o a v alid JDK ver sion.

N o canceled or pending update req ues ts should be in t he sys tem. Chec k t his b y c hoosing T ools

A dministr ation Monit or U pdate (tr ansaction SM13 ).

If canceled or pending updates exis t, y ou mus t update t hese ag ain or delete t hem fr om all clients.

Y ou can see whet her canceled or pending updates exis t b y c hec king if t able VBDATA cont ains

an y entr ies.

F ind t he canceled or open updates as f ollo w s:

1 . Call tr ansaction SM13 .

2. Delete t he def ault v alues f or t he client, user , and time.

3. Choose all update req ues ts.

If canceled or pending recor ds exis t, y ou mus t update t hese ag ain or delete t hem. Chec k

whet her t his action w as successful using tr ansaction SE16 f or t able VBDATA .

Set all released jobs fr om Released t o Sc heduled :

T ools CCMS Bac k g r ound Pr ocessing Jobs - Over view and A dministr ation (tr ansaction SM37 )

Y ou also need t o do t his f or jobs t hat mus t r un per iodicall y (see S AP N o te 1 6 0 8 3 ). Select all jobs

(include st ar t af ter event ) as f ollo w s:

Job Released Sc heduled

A dap t t he oper ation mode timet able t o make sure t hat no switc hing of oper ating modes t akes

place while a sys tem is being copied as f ollo w s:

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3 Prepar ations

3. 1

Gener al Tec hnical Prepar ations

T ools CCMS Configur ation Oper ation mode calendar (tr ansaction SM63 )

W r ite do wn t he logical sys tem names of all clients:

1 . If y ou plan t o o ver wr ite an exis ting sys tem wit h a sys tem cop y (f or ex am ple, t he sour ce and

t ar get sys tems will bo t h exis t af ter t he sys tem cop y), make sure y ou wr ite do wn t he logical

sys tem names of all clients in t he sys tem t hat will be o ver wr itten (tr ansaction SCC4 ).

As t he logical sys tem names will be o ver wr itten, in t he event of dif ferences, y ou mus t c hange

t hem bac k t o t heir or iginal names (as t hey exis ted in t he sys tem t hat is o ver wr itten) in t he

f ollo w -on actions af ter t he sys tem cop y .

2. If y ou create a new sys tem wit h a sys tem cop y (t hat is, create an upgr ade tes t sys tem), make

sure t hat t he logical naming s tr ategy f or t his new sys tem is consis tent wit h y our exis ting logical

sys tem naming con vention. If y ou are s till planning y our BI (f or mer l y B W) sys tem landscape,

see S AP N o te 1 8 4 4 4 7 .

3. If y our sys tem cop y is used t o replace har dw are f or t he DB ser ver , migr ate t o a dif ferent dat abase

sys tem or oper ating sys tem (t hat is, sour ce sys tem f or t he cop y is t he same as t he cop y t ar get),

no c hanges t o logical sys tem names are req uired.

Bef ore t he expor t, delete QCM t ables fr om y our sys tem as f ollo w s:

1 . Bef ore deleting y ou mus t alw a y s c hec k

That t he t ables are consis tent ‒ no res t ar t log or con ver sion pr ocedure ter mination mus t be

displa yed

That t he dat a of t he or iginal t able can be read

If application pr ogr ams t hat use t he af fected or iginal t able do no t r un correctl y , do no t

delete t he QCM t able yet.

2. Call tr ansaction SE14 .

Choose Extr as In v alid tem p. t able

All QCM t ables t hat can be deleted are displa yed.

4. Mar k t he t ables and delete t hem.

FI cus t omer s: Y ou can per f or m an additional consis tency c hec k b y r unning t he job SAPF190 bef ore

cop ying t he sour ce sys tem, as well as af ter cop ying t he t ar get sys tem, and t hen com pare t he

results. Make sure t hat no cus t omer dat a is c hanged in t he meantime. Y ou can do t his as f ollo w s:

A ccounting F inancial A ccounting Gener al ledger Per iodic Pr ocessing Closing Chec k /count

Com par ison

FI cus t omer s: Y ou can fur t her c hec k consis tency b y r unning t he jobs RFUMSV00 (t ax on

sales /pur c hases), RAGITT01 (asset his t or y sheet), RAZUGA01 (asset acq uisitions), RAABGA01 (fixed asset

retirements) bef ore cop ying t he sour ce sys tem, as well as af ter cop ying t he t ar get sys tem, and t hen

com pare t he results. Make sure t hat no cus t omer dat a is c hanged in t he meantime.

C O cus t omer s: Y ou can per f or m an additional consis tency c hec k b y r unning t he repor t gr oup

1SIP bef ore cop ying t he sour ce sys tem, as well as af ter cop ying t he t ar get sys tem, and t hen

com pare t he results. Make sure t hat no cus t omer dat a is c hanged in t he meantime.

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