IBM Z Software


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z/TPFDF

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The load balancing of activity between I-streams and ECBs during CRUISE RESTORE tape roll-in needs to be improved

The load balancing of activity between I-streams during the tape roll-in phase of a restore is not very effective. If the default DEFRC option is setup, most of the processor MIPS are used up by the driver ECB doing “DEFRC”. A ZSTAT U display will...
about 10 years ago in z/TPF Product Family / z/TPFDF 2 Delivered

CRUISE should allow FVN (File Version Number) to be used with REF= parameter when specifying a file ID range.

CRUISE should allow FVN (File Version Number) to be used with REF= parameter when specifying a file ID range. This will make it easier to create DBDEF's specifically for large captures. Special DBDEF's with user-exits can be set up for the system ...
about 10 years ago in z/TPF Product Family / z/TPFDF 2 Delivered

Enhance CRUISE log file displays to provide more information and improve usability

1. FUNCTION name in system log: The system log does not identify the function that was executed. It would be helpful if the function was included in the log. Looking at the log it is not possible to tell what function was run. . SSU CPU DATE TIME ...
about 10 years ago in z/TPF Product Family / z/TPFDF 3 Delivered

Enhance CRUISE (FCRU) displays and messages to provide more information and improve usability

Status displays and Completion Messages 1 Change time-stamp display: The time stamp of the CRUISE status and completion messages does not fit the format of the time-stamp of TPF messages. This makes the display somewhat difficult to read. If the o...
about 10 years ago in z/TPF Product Family / z/TPFDF 2 Delivered

Provide option in CRUISE Restore to write fixed file blocks directly to their fixed file addresses, bypassing the pool copy.

For a production system, there is live data and traffic so the integrity of the system has to be the primary consideration. However, in the context of building a test system or creating test data, the strict integrity requirement can be relaxed. O...
about 10 years ago in z/TPF Product Family / z/TPFDF 2 Delivered

Improve the performance of CRUISE TOP file address exchange

In the first phase of RESTORE, the BFA Capture tapes are read and each data block is filed to new pool and cross-reference files are updated. Following the tape “roll in” phase, there is a phase called address exchange or “fad exchange” where old ...
about 10 years ago in z/TPF Product Family / z/TPFDF 2 Delivered

Improve CRUISE restore execution time

Improve CRUISE restore execution time by adopting multi I-Stream and multi ECB processing. CRUISE Restore consists of 3 stages:1. TAPE Rollin2. Address Exchange (FAD Exchange)3. Fixed Address Exchange (FAD Exchange Part TWO) 1. Tape Rollin (Need c...
about 10 years ago in z/TPF Product Family / z/TPFDF 4 Delivered

Add TPFDF data to Continuous Data Collection

Currently we have no active monitoring of the TPFDF Databases and their performance. Part of the difficulty is lack of adequate real-time and archival tools to provide current and historical data for monitoring and determining trends. The tools th...
about 10 years ago in z/TPF Product Family / z/TPFDF 2 Delivered

A safer TPFDF initialization

TPFUG_Req_Number: DF00012Contact Originator Id: SK AhnAbstract: ZUDFM OAINIT entry need to be enhanced to ensure a back-up capture, against possible unwanted operations.Description: ZUDFM OAINIT entry gives a warning information to check before go...
over 10 years ago in z/TPF Product Family / z/TPFDF 4 Delivered

Refine RELFC counter in z/TPFDF Data Collection

z/TPFDF data collection counters were originally designed to track the calls to specific z/TPFDF central database routines. Each of these routines had a specific task, such as obtaining a core block or releasing a record. These counts generally re...
over 10 years ago in z/TPF Product Family / z/TPFDF 2 Delivered

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