HSM Implementation & Customisation Eğitimi

  • Eğitim Tipi: Classroom / Virtual Classroom / Online
  • Süre: 2 Gün
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En Yakın Tarih

04 Mart 2021

2 Gün

This three-day course is designed, written and presented by the UK's foremost mainframe storage management specialists. It describes and explains how best to implement, customise and utilise HSM. Start-up commands and options are examined in detail, giving practical guidance on performance and availability issues. Customisation of the environment is also covered in detail.<br>Effective management and monitoring of HSM are important if you are to provide a good service to end-users, and techniques to do this are comprehensively covered, as is the important and often neglected subject of disaster backup using HSM.<br>There are a number of challenging practical exercises throughout the course.<br><br>This course is also available for one-company, on-site presentations and for live presentation over the Internet, via the Virtual Classroom Environment service.

A sound understanding of z/OS at a conceptual level and familiarity with using JCL and the utility programs.

  • implement migration and recall
  • implement backup/recovery
  • describe HSM performance issues and tune HSM
  • issue (and understand) HSM commands
  • implement disaster backup and recovery
  • evaluate and implement ABARs
  • utilise FIXCDS and PATCH commands.

The HSM Strategy

DFSMS/MVS manuals; HSM functional overview; HSM as part of SMS; Management Class; Management Class attributes; Storage Group attributes.

Migration / Recall

Key commands; Migration types; Defining migration; Defining Primary volumes; Defining ML1 volumes; Small data set packing; Defining ML2 volumes; Controlling daily migration; Secondary migration - cleanup of ML1 & MCDS; Migration from ML0; Interval migration; Command migration; Command migration - SMS; Freevol command; Recalling data sets; Recall process; Common Recall Queue (CRQ); Enabling CRQ; Activating CRQ - SETSYS COMMONQUEUE; Controlling Recall non-SMS; Delete by Age - an alternative to migration for non-SMS; Delete if Backed Up - an alternative to migration for non-SMS; Supported data sets; Migration/Recall performance summary; SDSP performance summary.

Backup and Recovery

Back-up flow; Back-up events; Back-up volume definitions; Back-up control; CDS back-up; CDS recovery utility; Back-up data set naming; Back-up to DASD; Command back-up - volume; BACKVOL examples; Back-up command; Controlling command back-up - SETSYS DSBACKUP; Controlling command back-up - ML1 overflow; Command back-up - data set; Back-up support; Inline back-up; Data set recovery; Back-up performance summary; Deleting unwanted back-ups; EXPIREBV DISPLAY.

HSM Miscellaneous Functions

DSS cross memory mode; Sharing Parmlib - ONLYIF; Multi-host considerations; Serialization logic overview; CDS serialization; User serialization; Multiple HSMplexes; Secondary host promotion (failover) for DFSMShsm; HSM's five activity logs; Logging; Log contents; ARCPRLOG output; ARCPEDIT output; Controlling tape mounts; Tape selection/seletion options; Controlling tape usage; Recycling tapes; Command authorization; RACF Facility class - HSM command security; Problem Determination Aid Facility (PDA).

HSM Commands

How HSM commands are used; Operator commands; Query command; QUERY ACTIVE; QUERY for available tapes and space; QUERY AUTOPROGRESS; Storage administration commands; Original AUDIT command; Enhanced AUDIT command; Enhanced versus original AUDIT; List command; List back-up volumes; List data set information from MCDS; List data set Information from BCDS; List data set information from both MCDS and BCDS; List migration or primary volume information; LIST ML2(tape) MCDS; LIST PRIMARYVOLUME(volser) BCDS; HOST (hostid) LIST TTOC SELECT(..........); LIST TTOC (volser) DATASETINFORMATION; LIST spanning excessive volumes; LIST FAILEDRECYCLE and FAILEDCREATE; LIST user; REPORT command; REPORT daily statistics; REPORT volume statistics; System Programmer commands; Commands for end-users.

Availability Management

Fast Replication (FRBACKUP); Define Copy Pool; Invoking Fast Replication; FR options; Volume & Disaster Back-up/Recovery features; Autodump; Autodump controlling commands; Recovery from dump data; Recovery commands; LIST PRIMARYVOLUME(volser) ALLDUMPS BCDS; LIST PVOL() BACKUPCONTENTS BCDS; LIST DUMPCLASS(class); LIST DUMPVOLUME.... ; LIST DUMPVOLUME(volser) BCDS DUMPCONTENTS; Volume dump performance summary; Aggregate back-up and recovery (ABARS); Copying tapes; TAPEREPL in Disaster Recovery; Duplex tape; Duplex tape flow; Duplex tape support; Disaster back-up overview; Disaster Recovery process; Recovering ML1 or ML2; Recovering lost back-ups on ML1; Damaged CDS, Journal Full; Damaged Journal, undamaged CDS; Overwritten migration tape.

HSM Exits

HSM available user exits; Invoking user exits; ARCMVEXT: space management volume exit; ARCMDEXT: data set migration exit; ARCADEXT: data set deletion exit; ARCBDEXT: data set back-up exit; ARCRDEXT: recall exit; ARCCDEXT: data set reblock exit; ARCTDEXT: tape data set exit; ARCTVEXT: tape volume exit; ARCCBEXT: Control Data Set back-up exit; ARCINEXT: initialization exit; ARCMMEXT: second level migration data set exit; ARCSAEXT: space management & back-up exit; ARCRPEXT: return priority exit; Installing EXITS.

Startup & Monitoring

HSM start-up procedure; HSM start-up options; Defining Control Data Sets; Multicluster Control Data Sets; VSAM Record Level Sharing (RLS); Requirements for CDS RLS serialisation; Implementing RLS mode; Control Data Set performance summary; General HSM performance summary; Monitoring HSM; Controlling HSM.

HSM Structure & Flow

HSM input; MWE queuing flow; Data Area Control Blocks; Management Work Element; DISPLAY command; PATCH command; Control Data Set Records; MCDS record types; BCDS record types; BCDS record types; Useful patches.

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