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IMSplex and Resource Manager Deep Dive

This video describes the Common Service Layer (CSL) and how it works with the Resource Manager(RM). This video also covers the Common Queue Server (CQS), resource structure setup, Resource Manager…

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IMS Common Service Layer Setup

This video describes the PROCLIB members needed to set up IMS and Common Service layer, what you need to know about CQS and Repository Server, and some sample configurations that show how to connect…

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Unit 0: Introduction to IBM Information Management System (IMS)

This video provides a brief overview of IMS components and architecture.

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Unit 3, Section 7: HIDAM and PHIDAM Storage Format

This video discusses HIDAM databases, which provide all the function of HISAM but without the space-management drawbacks.

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Unit 8, Section 13: Dynamic Resource Definition (DRD) Process Flow

This video describes DRD, which you can use to issue commands to create, update, and delete MODBLKS resources dynamically and to create programs or transactions, instead of running an IMS Gen.

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Unit 8, Section 12: IMS Single Point of Control (SPOC) 

This video describes TSO SPOC, which is an ISPF application that is invoked by using the command DFSSPOC and can be used to control one or more IMS DBCTL, IMS DB/DC, or IMS DBCTL systems.

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Unit 8, Section 11: Type 2 Commands: UPD and QRY TRAN Examples

This video describes several type-2 commands including the update resource and query transaction commands.

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Unit 8, Section 10: IMSPlex Type 2 Commands Overview

This video introduces IMSplex-related Type 2 commands. These commands can be entered only through the OM interface.

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Unit 8, Section 9: Operations Manager (OM)

This video describes the Operations Manager (OM), which is a server address space in the IMSplex. It acts as a common point of command entry into the IMSplex.

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Unit 8, Section 8: Managing Shared IMS Resources and Common Service Layer (CSL)

This video describes how shared resources are managed in an IMSplex and the Common Service Layer, or CSL, that consists of additional address spaces providing systems management functions not…

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Unit 8, Section 7: IMS Failure with Data Sharing and Fast Database Recovery (FDBR)

This video describes generally how failures are handled in a data sharing environment.

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Unit 8, Section 6: Shared Virtual Storage Option (VSO)

This video describes Shared VSO that also uses a cache structure to store the contents of some or all of a DEDB area and the data stored in the CF is the “official” copy. The contents of…

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Unit 8, Section 5: N-way Data Sharing and OSAM Caching

This video describes n-way data sharing, which allows up to 255 IMSs in up to 32 z/OSs to share the same set of databases with complete update authority (SHARELVL permitting). This technology…

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Unit 8, Section 4: Data Sharing, Part 3 (Block-Level Data Sharing and Data Sharing Summary)

This video describes block-level sharing in more detail. IRLM coordinates lock requests between (and within) IMS systems to ensure that lock requests for any specific block at any given time are…

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Unit 8, Section 3: Data Sharing, Part 2 (DBRC Share-Level Options)

This video describes how DBRC controls data sharing with share-level options. Unless a database is registered to DBRC with a SHARELVL set to 1, 2, or 3, IMS and DBRC code will prevent a database from…

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Unit 8, Section 2: Data Sharing, Part 1 (Data Sharing Requirement and DBRC Share-Level Options)

This video introduces data sharing, which provides two levels of sharing: database-level sharing and block-level sharing.

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