Storage management administration & exploitation
This course describes and explains how to implement and exploit the features provided by the z/OS storage environment, and covers SMS in particular. It examines both hardware and software features and explains how to fully exploit them. The course will gives attendees a detailed knowledge of how best to design and test the SMS Constructs and ACS routines. It provides a basis for evaluating standards and for establishing an optimised System Managed Storage (SMS) environment. The course also explains key components such as catalogs, VTOCs and I/O definitions. There are a number of online practical sessions during the course which, among other things, teach how to write optimised ACS routines.
On successful completion of this course attendees will be able to:
- explain IBM's storage management concept as implemented through SMS
- exploit the hardware features utilised by SMS
- define I/O devices and get them recognised by z/OS
- define VTOCs and VTOCIXs
- administer ICF Catalogs
- define and maintain data classes, storage classes, management classes and storage groups
- write and maintain optimised ACS routines
- audit and optimise the SMS environment
- describe the functions of HSM.
This course is primarily designed for those responsible for the z/OS Data Storage environment. It is primarily designed for Storage Administrators but is also suitable for technical support and senior operations personnel.
- Storage Management Overview
What is storage management?; Space management roles; DFSMS products; DFSMS Optimizer; NaviQuest feature; advantages of an SMS environment; availability management; performance management.
- Data Storage Hardware
Direct Access Storage Devices; Count Extended Count Key Data (ECKD); I/O operations on disks; DASD performance reporting; caching concepts; Read Hit; Write commands; Write Hit; Read Miss; Write Miss; cache modes; Record Level caching; Peer to Peer Remote Copy (PPRC); Extended Remote Copy (XRC); EMC's SRDF remote copy options; HDS' remote copy options; Concurrent Copy; Extended Format Data Sets; Sequential Data Striping support; RAID technology; Serial Storage Architecture; IBM's Flashcopy; EMC's Timefinder; tape devices; IBM's Virtual Tape Server; StorageTek's Virtual Storage Manager.
- Introduction to HCD
I/O configuration principles; I/O configuration practicalities; I/O configuration addressing; HCD definition process; Objects Managed by HCD; Load member; IODF processing at IPL; HCD Primary Option menu; Creating a new work IODF; Sizing the work IODF; Defining the new configuration menu; Pull-down menu action bar; Goto pull down menu; Filter pull down menu; Backup pull down menu; Query pull down menu; Help pull down menu; Context menus; PF keys; Keyboard navigation.
- Catalogs & VTOCs
Catalog overview; Catalog search order; Catalog environment ; Multi-level aliases; Catalog address space; VTOC and IXVTOC; ICF environment review.
- Auditing SMS
Working with users; identify general requirements; how to gather user data; Negotiate service levels with users; Space requirements; Meeting space requirements; Other space issues; Availability issues; Recovery; Backup/Recovery; Other service level issues; Monitor service levels; DCOLLECT; Running DCOLLECT; DCOLLECT output records; Managing data sets; PDSE processing; PDSE load libraries; Access Methods enhancements; VSAM Record Level Sharing; VSAM greater than 4 GB; What is Pooling?; Why pooling?; How many pools?; Positioning for SMS - review questions.
- DFSMS Constructs
Service levels for data; SCDS Base Definition Panel; Data Class; defining a Data Class; defining Data Class Attributes; data set compression; data set compression information; Data Class control; Data Class implementation; JCL keywords; JCL changes; Generation Data Sets; new JCL requirements; non-VSAM Data Classes; VSAM Data Classes; Management Class; Management Class characteristics; defining Management Class Introduction Menu; defining Management Class Panel; Storage Class; Storage Class characteristics; cache attribute determination (simplified); Storage Class application selection; Storage Class define; Storage Class maintenance; Storage Groups; Storage Group major activities; isolate non-SMS data: defining a Storage Group; defining VIO Storage Group attributes; defining Pool Storage Group attributes; Storage Group rules; Device selection; Defining a Copy Pool.
- Writing ACS Routines
ACS routines - what are they?; Automatic Class Selection - how many?; an ACS example; ACS routine rules; ACS mask rules; ACS Read/Write variables; ACS Read-only variables; ACS special purpose variables; other ACS variables; OAM & tape ACS variables; ACS operations; ACS statements ( PROC, END, SET, FILTLIST); ACS statements (SELECT, END); coding ACS routines; ACS application selection; ACS translation panel; ACS validation panel; testing ACS routines; defining test cases; ACS coding tips; ACS exit routines; ACS exit steps; programming ACS exits; ACS exit parameter structure; actions in ACS exits; ACS routines - hands-on exercises.
- DFSMS Set-up & Control
Control Data Sets; sizing SMS Control Data Sets; defining Control Data Sets; Control Data Set application selection; SCDS base definition panel; IGDSMSxx; IEFSSNxx; activating SMS; SETSMS command; SMS-related commands; displaying SMS information; displaying Storage Group information; displaying SMS volume information; displaying device information; Start/Restart SMS address space; recovering ACDS; recovering COMMDS; enhanced ISMF.
- HSM functional overview
HSM as part of SMS; Key commands; Migration types; Defining ML1 volumes; Small data set packing; Secondary migration; Controlling migration from ML0; Interval Migration; Command migration; Recalling data sets; Recall process; Backup flow; Backup control; Command backup - volume; BACKVOL examples; Backup command; Controlling command backup - SETSYS DSBACKUP; Controlling command backup - ML1 overflow; Command backup - data set.
Lecturing with extensive hands-on practical sessions including real-life recovery scenarios.
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