IBM Rational ClearCase与ClearQuest UCM实战指南

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"IBM Rational ClearCase 和 ClearQuest UCM 的明确案例" IBM Rational ClearCase 和 ClearQuest 是两个在软件配置管理（Software Configuration Management, SCM）领域中广泛应用的工具。它们是IBM Rational工具集的重要组成部分，特别在统一变更管理（Unified Change Management, UCM）框架下，它们提供了强大的版本控制和协作功能。 **IBM Rational ClearCase** IBM Rational ClearCase是一款高级的版本控制系统，它能够跟踪代码和其他文件的变更历史，支持多用户协同工作，并提供了分支和合并机制，使得开发团队可以在不同的开发路径上并行工作而不会相互冲突。ClearCase的主要特性包括： 1. **版本控制**：每个文件和目录都有一个完整的版本历史，允许开发者回滚到任何以前的版本。 2. **分支和合并**：允许开发团队在独立的分支上工作，然后将这些更改合并到主分支。 3. **动态视图和静态视图**：动态视图根据需要获取最新版本，而静态视图提供了一个快照，确保开发环境的一致性。 4. **多站点支持**：ClearCase MultiSite可以处理分布式团队，确保数据的一致性和同步。 **IBM Rational ClearQuest** Rational ClearQuest则是一款强大的问题跟踪系统，用于管理缺陷、任务和请求。其关键功能包括： 1. **流程定制**：ClearQuest可以根据组织的工作流程自定义表单和工作流，以满足不同项目的需求。 2. **协作与通信**：通过记录和跟踪问题的整个生命周期，它促进了团队间的沟通和协作。 3. **报告和分析**：提供丰富的报告功能，帮助管理者了解项目的健康状况和性能。 4. **集成能力**：与ClearCase集成，可以将变更请求与代码变更关联起来，形成完整的变更管理链。 **UCM（Unified Change Management）** UCM是IBM Rational提供的一种集成化变更管理方法，它结合了ClearCase和ClearQuest的功能，提供了一种全面的、有序的变更管理解决方案。UCM的关键特点包括： 1. **基线管理**：定义和维护代码的基线，以便于版本管理和回溯。 2. **变更集**：变更集将相关的代码更改和ClearQuest记录的问题关联起来，便于管理和审核。 3. **组件**：组件是UCM的基础单元，包含一组相关的源代码文件，可以独立进行版本控制和变更管理。 4. **一致性**：通过强制性的变更审批流程，确保所有变更都经过适当的审查和测试。这本书，"A Clear Case for IBM Rational ClearCase and ClearQuest UCM"由Ueli Wahli, Jennie Brown, Matti Teinonen和Leif Trulsson撰写，详细介绍了如何实施和利用这两个工具进行有效的软件配置管理和变更控制。尽管文档是英文的，但其提供的信息对于理解和使用ClearCase和ClearQuest UCM系统非常有用。书中涵盖了从基础概念到高级应用的所有方面，包括实际操作指南和最佳实践，旨在帮助读者充分利用这两个工具的能力，提升团队的开发效率和软件质量。

xiv Software Configuration Management with IBM Rational ClearCase and ClearQuest UCM

Walk-around mentoring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 275

Rollout plus one month . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 276

A successful rollout story . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 276

Chapter 14. Implementing MultiSite . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 279

MultiSite design overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 280

Physical repository design . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 280

Access control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 280

MultiSite licensing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 280

Managing replication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 280

Defining a replication topology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 280

Defining packet size . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 282

Defining packet frequency. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 282

Managing mastership in UCM/ClearCase . . . . . . . . . . . . . . . . . . . . . . . . . . . 283

The posted-delivery process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 283

Usage models for distributed development . . . . . . . . . . . . . . . . . . . . . . . . . . 283

Producer-consumer model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 284

Local integration stream . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 285

Managing serial development across sites . . . . . . . . . . . . . . . . . . . . . . . . 285

Managing mastership of stream instances . . . . . . . . . . . . . . . . . . . . . 286

Using request for mastership (RFM) . . . . . . . . . . . . . . . . . . . . . . . . . . 287

Managing mastership in ClearQuest . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 288

Local mastership model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 288

Manual change of mastership . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 288

Avoiding change of mastership . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 289

State-based mastership . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 289

Getting started: Setting up a MultiSite playground . . . . . . . . . . . . . . . . . . . . . 291

Playground overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 292

Infrastructure setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 292

Obtain and install MultiSite licenses . . . . . . . . . . . . . . . . . . . . . . . . . . 292

Verify connectivity between machines . . . . . . . . . . . . . . . . . . . . . . . . . 292

Verify that MultiSite software is installed . . . . . . . . . . . . . . . . . . . . . . . 293

Turn PCs into standalone VOB and view server servers. . . . . . . . . . . 293

Configure shipping bays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 294

Create a UCM repository . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 295

Create a ClearQuest data set . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 295

Summary of playground servers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 296

Step 1—ClearCase MultiSite replication . . . . . . . . . . . . . . . . . . . . . . . . . . 296

Disconnect ClearQuest . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 296

Rename the replica name . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 296

Replicate the UCM repository . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 297

Create a development stream at the remote site. . . . . . . . . . . . . . . . . 299

Synchronize changes between sites . . . . . . . . . . . . . . . . . . . . . . . . . . 299

Managing a posted delivery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300

Contents xv

Step 2—ClearQuest MultiSite replication . . . . . . . . . . . . . . . . . . . . . . . . . 301

Define naming conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 301

Activate the clan. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 302

Replicate database . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 303

Add remote users. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 305

Synchronize changes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 306

Step 3—Integrated UCM MultiSite replication. . . . . . . . . . . . . . . . . . . . . . 307

Reenable the UCM project. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 307

Add a file into ClearCase . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 308

Next steps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 308

Information references . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 309

Part 6. Appendixes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 311

Appendix A. Sample SCM plan template . . . . . . . . . . . . . . . . . . . . . . . . . 313

Software configuration management plan . . . . . . . . . . . . . . . . . . . . . . . . . . . 314

Template . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 314

Appendix B. Base ClearCase quick guide . . . . . . . . . . . . . . . . . . . . . . . . 319

Base ClearCase quick guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 320

Views. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 320

How many views do I need? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 320

How to create a view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 320

How to delete a view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 320

Modifying files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 320

Checkout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 320

Checkin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 321

Uncheckout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 321

Creating new files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 321

Creation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 321

Putting a file under version control. . . . . . . . . . . . . . . . . . . . . . . . . . . . 321

Removing elements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 322

Renaming (moving) elements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 322

Copying elements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 322

Displaying information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 323

Display the current view. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 323

Display the config-spec . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 323

Changing the config-spec . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 323

Displaying file and directory information . . . . . . . . . . . . . . . . . . . . . . . . . . 324

Display what is checked-out and to whom. . . . . . . . . . . . . . . . . . . . . . 324

Display the change history of file/directory . . . . . . . . . . . . . . . . . . . . . 325

Display the versions of file/directory . . . . . . . . . . . . . . . . . . . . . . . . . . 325

Display the differences between specific versions. . . . . . . . . . . . . . . . 325

Display the version tree of file/directory . . . . . . . . . . . . . . . . . . . . . . . . 326

Display detailed information about a specific element . . . . . . . . . . . . . 326

xvi Software Configuration Management with IBM Rational ClearCase and ClearQuest UCM

Appendix C. ClearCase administration directory files . . . . . . . . . . . . . . 327

Introduction and disclaimer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 328

Special files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 329

Registry server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 329

License server. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 329

Several host names . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 329

No MVFS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 330

MultiSite . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 330

Administrative files by directory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 330

Description of the files. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 331

Usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 335

Appendix D. Creating ClearQuest parent-child linked records. . . . . . . . 337

Process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 338

Appendix E. WebSphere Studio and Eclipse integration best practices 347

Best practices for using ClearCase and ClearQuest with Studio or Eclipse . 348

Isolate subsystems or architectural layers into separate components . . . 348

Only version control necessary files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 348

Use a separate WebSphere Studio workspace for each ClearCase view 348

Create a standardized development environment . . . . . . . . . . . . . . . . . . 349

Use team project sets to define consistent lineups of Studio projects . . . 349

Add third-party libraries to source control . . . . . . . . . . . . . . . . . . . . . . . . . 349

Appendix F. Additional material. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 351

Locating the Web material . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 351

Using the Web material . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 352

How to use the Web material . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 352

Abbreviations and acronyms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 353

Related publications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 355

IBM Redbooks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 355

Other publications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 355

Online resources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 356

How to get IBM Redbooks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 357

Help from IBM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 358

Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 359

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