Sms
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Storage Management System ... Scope of the discussion includes : > Why do we need SMS ? > Different components of SMS > Concept of ACS Routine > How to make changes to SMS ? > A look at the existing set-up at NCC > various SMS commands October 18, 2008
RBI,NCC,MUMBAI
1
Storage Management System ... Staorage Management Sub-System is needed to ensure : - strict organisation of files - file management on DASD - to make JCL coding easier - to make certain facilities available to the users like PDSEs, OAM etc October 18, 2008
RBI,NCC,MUMBAI
2
Storage Management System ... Storage Management Sub-System : The SMS provides storage management, program mgmt, data mgmt, and device management functions for OS/390. $ It has 4 components :
1. Storage Class 2. Storage Group October 18, 2008
RBI,NCC,MUMBAI
3
Storage Management System ... 3. Data Class 4. Management Class $ Automatic Class Selection Routine (ACS) written by system programmers using class selection programming language. Sample routine provided by IBM $ The SMS functioning transparent to users October 18, 2008
RBI,NCC,MUMBAI
4
Storage Management System ... Concept of Automatic Class Selection routine : ACS is a programming language used by system programmers to code for the different components of SMS i.e. data class, storage class, management class > It ’s a English like programming language which needs to be translated & validated October 18, 2008
RBI,NCC,MUMBAI
5
Storage Management System ... Concept of Automatic Class Selection routine : > the sample ACS routine available in the pds ‘SMS.RBI.SRC’ > the ACS routine once activated, they are written into a SCDS file (a VSAM file) e.g. SMS.RBIV03.SCDS October 18, 2008
RBI,NCC,MUMBAI
6
Storage Management System ... Data Facility Storage Management Subsystem : It has 4 components DFSMSdfp - for space , data,program mgmt DFSMShsm - for automatic backup/ archives DFSMSrmmDFSMSrmm for tape drive support DFSMSdss (dataset services) - for data movt ,copying & space mgmt, October 18, 2008
RBI,NCC,MUMBAI
7
Storage Management System ... What DFSMS offers : $ It strictly ensures organization of files as per the ACS routine $ Backup and Archive process automated $ Automatic deletion as per schedule provided in the system $ It ensure automatic allocation of volumes (space) - overrides user input October 18, 2008
RBI,NCC,MUMBAI
8
Storage Management System ... The DFSMShsm parameters given in the member ‘ARCMD00’ of SYS1.PARMLIB. > The DFSMShsm parms given in the above member in conjunction with management class of SMS , are responsible for automatic deletion and / or migration
October 18, 2008
RBI,NCC,MUMBAI
9
Storage Management System ... Various SMS commands : /d sms,vol(xxxxxx) /v sms,vol(xxxxxx),d /v sms,vol(xxxxxx),d,n /d sms,storgrp(xxxxxxx) /d sms,storgrp(xxxxxxx),listvol /v sms,storgrp(xxxxxxx),d,n October 18, 2008
RBI,NCC,MUMBAI
10
System Utilities ... RMF Monitor : Resource Monitoring Facility - allows channel path monitoring - monitoring of ‘paging’ activity - on-line viewing of DASD activity - also allows monitoring of response time of different volumes - it allows seeing the srorage gp for all DASDs October 18, 2008
RBI,NCC,MUMBAI
11
THE END October 18, 2008
RBI,NCC,MUMBAI
12
THANK YOU ! October 18, 2008
RBI,NCC,MUMBAI
13
RBI,NCC,MUMBAI
1
Storage Management System ... Staorage Management Sub-System is needed to ensure : - strict organisation of files - file management on DASD - to make JCL coding easier - to make certain facilities available to the users like PDSEs, OAM etc October 18, 2008
RBI,NCC,MUMBAI
2
Storage Management System ... Storage Management Sub-System : The SMS provides storage management, program mgmt, data mgmt, and device management functions for OS/390. $ It has 4 components :
1. Storage Class 2. Storage Group October 18, 2008
RBI,NCC,MUMBAI
3
Storage Management System ... 3. Data Class 4. Management Class $ Automatic Class Selection Routine (ACS) written by system programmers using class selection programming language. Sample routine provided by IBM $ The SMS functioning transparent to users October 18, 2008
RBI,NCC,MUMBAI
4
Storage Management System ... Concept of Automatic Class Selection routine : ACS is a programming language used by system programmers to code for the different components of SMS i.e. data class, storage class, management class > It ’s a English like programming language which needs to be translated & validated October 18, 2008
RBI,NCC,MUMBAI
5
Storage Management System ... Concept of Automatic Class Selection routine : > the sample ACS routine available in the pds ‘SMS.RBI.SRC’ > the ACS routine once activated, they are written into a SCDS file (a VSAM file) e.g. SMS.RBIV03.SCDS October 18, 2008
RBI,NCC,MUMBAI
6
Storage Management System ... Data Facility Storage Management Subsystem : It has 4 components DFSMSdfp - for space , data,program mgmt DFSMShsm - for automatic backup/ archives DFSMSrmmDFSMSrmm for tape drive support DFSMSdss (dataset services) - for data movt ,copying & space mgmt, October 18, 2008
RBI,NCC,MUMBAI
7
Storage Management System ... What DFSMS offers : $ It strictly ensures organization of files as per the ACS routine $ Backup and Archive process automated $ Automatic deletion as per schedule provided in the system $ It ensure automatic allocation of volumes (space) - overrides user input October 18, 2008
RBI,NCC,MUMBAI
8
Storage Management System ... The DFSMShsm parameters given in the member ‘ARCMD00’ of SYS1.PARMLIB. > The DFSMShsm parms given in the above member in conjunction with management class of SMS , are responsible for automatic deletion and / or migration
October 18, 2008
RBI,NCC,MUMBAI
9
Storage Management System ... Various SMS commands : /d sms,vol(xxxxxx) /v sms,vol(xxxxxx),d /v sms,vol(xxxxxx),d,n /d sms,storgrp(xxxxxxx) /d sms,storgrp(xxxxxxx),listvol /v sms,storgrp(xxxxxxx),d,n October 18, 2008
RBI,NCC,MUMBAI
10
System Utilities ... RMF Monitor : Resource Monitoring Facility - allows channel path monitoring - monitoring of ‘paging’ activity - on-line viewing of DASD activity - also allows monitoring of response time of different volumes - it allows seeing the srorage gp for all DASDs October 18, 2008
RBI,NCC,MUMBAI
11
THE END October 18, 2008
RBI,NCC,MUMBAI
12
THANK YOU ! October 18, 2008
RBI,NCC,MUMBAI
13
