DLm V2.1 Z/OS Implementation Guide - Dell Technologies
DLm V2.1 z/OSImplementation GuideEMCProvenProfessionalKnowledge Sharing2009IncludingEMCProven ProfessionalCertificationEMC SA & IS PersonnelMike Smialek,Sr. Solutions ArchitectSmialek Mike@emc.com412-809-5526Major Contributors:John CiraulaJohn MooreGary MorseNick PattisonJim Stout
EMC Corporation, Technology SolutionsDLm z/OS Implementation GuideRecord of RevisionsThe following is a list of revisions made to this document:RevDatePagesAffectedReasonSummary of Technical Changes1.02-16-09AllInitial document release.1.12-22-09AllExpand upon examples2.11-28-10AllV2.1Update all sections with V2.1 informationDLm z/OS Implementation GuidePage ii
EMC Corporation, Technology SolutionsDLm z/OS Implementation GuideTable of ContentsIntroduction.1Purpose and Scope. 1Audience and Prerequisites . 1Reference Documentation and Resources . 11 Background DLm Information .21.2.3.4.5.DLm Software . 2Terminology . 2DLm Facts Summary . 3Hardware Summary. 3z/OS Input Data for Configuring DLm . 46 Example Solution Set .56. Example Solution . 57. z/OS Options for Tape Allocation (Provided by Gary Morse) . 58. z/OS Tape Allocation Code . 69. z/OS Tape Operational Flow (Provided by John Moore) . 810. Strategy for Configuring VTEs . 911. Network Data for DLm Configuration . 1112 Logon and Installation .1212. Using PuTTY and TightVNC (Contributed by Gary Morse) . 1213. DLm Implementation Toolkit V2.1. 1714 Operational Considerations.2114.15.16.17.18.Event Monitoring. 21Changing Passwords and /dlm-keys Script . 23Reading a Non-Cataloged Tape. 24VTE Displays. 24DLm Logs . 2619 Modifying File Systems.2619.1 Overview. 2619.2 Extending File Systems. 2619.3 Add File Systems to the Library. 2619.4 Create a New File System.2619.5 Export the NFS Exports.2719.6 Mount New File Systems to VTEs.27DLm z/OS Implementation GuidePage iii
EMC Corporation, Technology SolutionsDLm z/OS Implementation Guide19.7 Initialize Virtual Tapes .2819.8 Recycle VTE .2819.9 Replication. 2920 DLm Reports and Utilities.2920.1 Overview. 2920.2 Script 501 Command Processing Facility. 2920.2.1 query config .2920.2.2 query config .3120.2.3 query paths assigned .3320.2.4 show channel paths.3420.3 Script 502 Log Copy Utility . 3520.4 Script 998 & 999 GENSTATS Reporting. 3620.5 AWSPRINT Utility (Contributed by John Moore) . 3721. DLm Utilities . 3922 Linux Commands .4122. Useful DLm Linux Commands (Provided by Nick Pattison) . 41DLm z/OS Implementation GuidePage iv
EMC Corporation, Technology SolutionsDLm z/OS Implementation GuideIntroductionImplementation of a Data Library for mainframe, DLm V2.1 series, requires coordination between multiplesystem and people resources. These include mainframe tape library system, z/OS operating systemsoftware, NAS, and configuration of the DLm ACP and VTE components. If replicating data to anotherDLm, Celerra Replicator V2.0 is also required. Regardless of your experiences or technical backgroundimplementing a DLm solution will require expertise in areas for which you have no knowledge. ThisImplementation Guide walks through the implementation process defining how to gather requiredinformation necessary to configure each component.Some of the areas covered include: Summary of DLm120 and DLm960 V2.1 configuration guidelines DLm Checklist for gathering current customer tape processing information Required cables, IP addresses and phone numbers PC software and hardware needed for DLm configuration z/OS software impacting tape processing including HCD, SMS/ACS, MTL, OAM Executing DLm Linux scripts to define Tapelibs, NFS mount points and processing options DLm z/OS utilities DLmSCR, DLmCMD and DLmLIBPurpose and ScopeThere are several fine Corporate documents on DLm. For customers they include Physical PlanningGuide, User Guide, Command Processors Users Guide and whitepapers which can be found on Powerlinkunder the Navigator drop down and selecting “Disk Library Tools”. This document attempts to coordinatethe DLm implementation along with the logic necessary to determine what z/OS changes are required? Itcovers information collected while implementing DLm at customer sites.Audience and PrerequisitesBecause tape processing is critical to a mainframe customer’s production processing, EMC stronglyrecommends users of this guide have attended formal DLm training. Questions concerning theseprocedures or problems executing the commands must be handled by opening a software case with theEMC Software Assistance Center (SAC) at 800- 782-4362. Tell them to transfer you to the DLm supportgroup.Reference Documentation and ResourcesMuch of the information in this implementation guide is from the following EMC documentation:TitleReference NumberLocationDLm V2.1 Series User GuideP/N 300-009-098 Rev A02 Aug 2009http://powerlink.emc.com/km/live1/en US/Offering Technical/Technical Documentation/300-009-098.pdfDLm V2.1 Series Release NotesP/N 300-009-099 Rev A04 Nov 2009http://powerlink.emc.com/km/live1/en US/Offering Technical/Technical Documentation/300-009-099.pdfDLm V2.1 Command Processors UserGuideP/N 300-009-622 Rev A01 Aug 2009http://powerlink.emc.com/km/live1/en US/Offering Technical/Technical Documentation/300-009-622.pdfDLm z/OS Implementation GuidePage 1
EMC Corporation, Technology SolutionsDLm z/OS Implementation Guide1 Background DLm Information1. DLm SoftwareDLm (Disk Library mainframe) V1.0 was released March 2008, but the idea was developed in the field asMDL (Mainframe Data Library) starting around 2004. The MDL was comprised of separate Bustech,Celerra and Clariion components combined to provide the mainframe Tape-on-Disk solution. MDLrequired multiple vendors for support. The Dlm solution combines all of the components into one or morecabinets and is fully supported by EMC. DLm has been enhanced with releases V1.1 September 2008,V1.2 December 2008 and V2.1 October 2009. DLm V2.1 integrates the following software components:ACP/VTE – SLES (SuSe Linux) 10 SP2Awsdir – interactive VTE library utility providing the status of tapes in /tapelibAwsprint – VTE tape library utility for listing the contents of libraries or specific volumesCelerra Replicator – V2.0Command Processor 501 – batch mainframe query to VTEsCommand Processor 502 – retrieve VTE logs to mainframeDART – (Data Access in Real Time) Celerra 5.6.45.5 also called CMR8FLARE – (Fibre Logic Array Runtime Environment) Clariion CX4 4.28.000.5.706GENSTATS – DLmZOS.XMI program to produce DLm processing statisticsImplementation Toolkit – Comes with V2.1 contains implementation scriptsPuTTY – software to acess Alias IP Address using a SSH Telnet Shellhttp://www.chiark.greenend.org.uk/ sgtatham/putty/TightVNC – software to remotely access Control Stations and VTEshttp://www.tightvnc.com/download.htm/VTEC – (Virtual Tape Engine Controller) front-end 6.00-30WinSCP – Connects to Control Stations for uploading NAS or VTEC code updates or downloadinglogs or other files to your workstation.http://winscp.net/eng/download.php2. TerminologyACP – Access Control Point, there are two ACP1 and ACP2, not attached to external networkBTILOG – Contains all VTE messages at /VAR/bti/btilog, listed with Script 502.CPF – Command Passing Facility also called Script 501 and 502.ConnectEMC – handles DLm dial-home capabilitiesCS – Control Station, there are two Control Station 0 and Control Station 1DAE – Disk Array Enclosure (15 1TB drives, RAID6(12 2) 1 Hot Spare, 9.5 TB Usable)Data Exchange – flat file processingDLm – Disk Library for mainframeESRS – (EMC Secure Remote Services) controls external access to DLmFSTAB – Listing of File System detailsMIH – Missing Interrupt Handler DLm tape recommendation is 3000 seconds (50 minutes)MTL – Manual Tape Library with ID of 01-20 Hex, 512 maximum devicesStorage Controller – also called a Data Mover or Blade, n Active 1 Hot SpareTilde – in front of VOLSER means it’s in a scratch status in AWSPRINT listingTruncated Tapes – Expired tapes with just a HDR1 stub, 454 bytes in lengthVirgin Tapes – Never allocated have a HDR1 all zeroes and are 184 bytes in lengthVTE – Virtual Tape Engine minimum 1, maximum 6DLm z/OS Implementation GuidePage 2
EMC Corporation, Technology SolutionsDLm z/OS Implementation GuideXmap0 – Configuration file for VTEs, can be mutiple Xmaps but only 1 can be active3. DLm Facts Summary1. Supports z/OS tape formats 3480, 3490 and 3590 which is classified as MEDIA42. Tape Management Systems supported with DLm:ASG – Zara V1.5 or (aka Automedia V1.3 or ), CA – TLMS V5.4BMC – Control-T V6.0 or , CA – TMS V5.2 (aka CA-1), IBM – RMM z/OS V1.7 or 3. Messages travel from the VTEs to the ACP, to the Control Stations then externally.4. DLm does support JES2 AUTOSWITCH allowing multiple processors in a parallel SYSPLEX to sharetape drive resources across multiple CPUs. DLm doesn’t support JES3 AUTOSWITCH.5. ACP White PC background, VTEs Blue PC background6. DLm uses IDRC compression with typical ratios of 1:2.4-1:2.77. DLm V2.1 doesn’t currently support encryption, possibly Q4-20108. Can attach external 3592/TS1120 compatible drives, 1 per VTE, for exporting to physical tape9. There is a DLm SVC Qualifier which can be found at http://gig.corp.emc.com10. Power up sequence 1) Celerra, 2) ACP, 3) VTEs, 4) Vary DLm tape devices online11. DLm devices must have an MIH setting in IECIOSxx SYS1.PARMLIB 50 minutes Check setting from z/OS: /D IOS MIH,DEV xxxx(xxxx DLm tape device UCB)12. Implementation requires resources from 3 practices: 1) Customer Engineer to power up the DLm 2) NAS person to connect DLm to the network 3) Mainframe SA/IS to configure VTEs to match z/OS definitions4. Hardware SummaryDLm960 – APM0009380####(2) VTEs, (3) Storage Controllers, (6) DAEs, 57TB, (90) 1TB DrivesDisk BayEMCNAS BayEMCVTEC BayEMCStorage DAEStorage DAEStorage DAE10Gb Switch ‐ Replication10Gb Switch ‐ ReplicationSystem DAECS 1 – 10.130.##.##555‐123‐4567Gig/e 2 Switch ‐ InternalGig/e 1 Switch ‐ InternalCS 0 – 10.130.##.##666‐123‐4567Storage DAEStorage HDAStorageDAEStorage DAEStorage Controller 4ACP 2 – 777‐123‐4567StandbyACP 1 – 888‐123‐4567Storage Controller 3ActiveStorage Controller 2VTE 2ActiveVTE 1Alias Sign On 10.130.##.##FiconDLm z/OS Implementation GuidePage 3
EMC Corporation, Technology SolutionsDLm z/OS Implementation GuideDLm120DLm960Number of VTEs1 or 21 to 6Host Connectivity4gb FICON4 gb FICONNumber of FICON channels2 to 42 to 12Number of tape drivesUp to 512Up to 1,536Capacity (usable)9.5 TB to 47.5 TB 28.5 TB to 1.2 PBDAEs1 to 52 to 126Cabinets (7 sq/ft per cabinet) 1 Only2 to 13Performance200 MB/s/1.2GB/s200/400 MB/sReplicationFC IBM 3592-J1A, FC IBM 3592-J1A,TS1120 or TS1130 TS1120 or TS11301 per VTE1 per VTEAny-to-AnyAny-to-AnyHardware compressionIDRC Avg 1:2.5External Tape Drives(Supports WORM Drives)IDRC Avg 1:2.55. z/OS Input Data for Configuring DLmThere’s a lot of data about the customer’s current tape environment you must know to properly configurethe DLm solution. Assumption is made the customer will continue to use their current tape processingwhile they gradually migrate new allocations to DLm. The information you must know:1. z/OS level and model of processor(s)?2. JES2 or JES3. Are tape devices managed by JES3, need to update HWSNAME & SETNAMES.3. Tape Management software CA1-TMS, IBM-RMM, TLMS, Control-T or Zara?4. Is there one shared tape catalog or many?5. Does customer use Manual Tape Libraries (MTLs), SMS, OAM address space or UIM?6. Is customer using STK HSC software to manage tape allocations?7. Does IBM-GRS or CA-MIM influence tape allocations?8. Customer using report management products like CA-SAR, Mobius or Systemware?9. Number and name of all Production, Test and Quality Assurance LPARs10. Are the LPARs in a SYSPLEX?11. Does the customer share tapes between Production, Test and QA?12. How many tape drives and tape volumes are needed for Production, Test and QA?13. IOCDS or HCD reports for all 3480, 3490 and 3590 tape devices14. What UCB address ranges will be used for DLm?15. CHPID assignments from host to directors and directors to DLm?16. Listing of all Esoterics used17. Desired default tape size for DLm?DLm z/OS Implementation GuidePage 4
EMC Corporation, Technology SolutionsDLm z/OS Implementation Guide18. Will DLm data be replicated, if so which data and target DLm(s)?19. How does customer want to handle DR testing?20. Will customer migrate tapes with IDP-FATSCOPY, CA-COPYCAT or OpenTech-Tape/Copy?6 Example Solution Set6. Example SolutionIn the following sections, we will use this example solution for completing DLm, z/OS and softwareparameter listings.7. z/OS Options for Tape Allocation (Provided by Gary Morse)One of the first configuration tasks is to determine how the customer will control z/OS tape allocationsfrom z/OS? This will probably depend on how the customer does tape allocation today, and what softwarethey will have available for use with the DLm. In most cases, the customer will want to gradually migratetapes to the DLm while still doing allocations to their existing VTS for example. This means if z/OS iscurrently allocating 3590 tape devices to the VTS and you also want to allocate a specific group of 3590DLm z/OS Implementation GuidePage 5
EMC Corporation, Technology SolutionsDLm z/OS Implementation Guidetapes to the DLm, some piece of software has to determine which 3590 allocations remain on the VTS andwhich go to the DLm?This is where a decision has to be made, how to control tape allocations between existing and DLm tapedevices. To help with the decision process, a dichotomous key was developed to walk you down thedecision path. As you can see there are several ways to handle tape allocations but which one is the rightchoice? Details about choices are in the following sections.Do you have a real tape device, other than 3480, available?Fits when all current tape devices are 3480, and all new tape devices on DLm will be 3590.Yes, use that device type (3490 or 3590) for DLm tape allocations.NoDoes customer use STK HSC and will the software remain after DLm is active?Fits if customer is going to keep using STK HSC?Yes, use UNITATTR, VOLATTR, and TAPEREQ statements to manage tape allocationsNoIs the customer a JES3 site?Yes, define JES3 INISH parms SETNAME & HWSNAME to manage tape allocationsNoPopular Choice Is customer running SMS/ACS code to select tape storage class?Yes, define Manual Tape Library (MTL) in HCD,Need OAM (Object Access Method) address space, createTCDB (Tape Configuration Database) with DLMLIB utilityNoUse EMC UIM limited to 3480 only, doesn’t work with HSM or OAMNoUse High/Low order UCB definitions,Example, UCBs 2000-2400 VTS, 2500-2900 DLm.8. z/OS Tape Allocation CodeTo help understand the tape allocation process, the following contain some examples of the necessarycode depending upon your choice for i
MDL (Mainframe Data Library) starting around 2004. The MDL was comprised of separate Bustech, Celerra and Clariion components combined to provide the mainframe Tape-on-Disk solution. MDL required multiple vendors for support. The Dlm solution combines all of the components into one or more cabinets and is fully supported by EMC.
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accomplish an Amazon S3 load to Amazon Redshift. In particular, if the data you wish to load to Amazon Redshift is in the form of a SAS data set, you can use the following steps to execute the Amazon S3 load: 1. Export a data set to the DLM format. 2. Upload the DLM file to Amazon S3 by calling the AWS command line interface (CLI) through the .
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DLM Guide to Practice Activities and Released Testlets 2018-2019 Science Revised 08/01/2018 Page 4 of 5 5. Click BEGIN. 6. Continue with the testlet, navigating using the BACK and NEXT buttons. To stop in the middle of a testlet, click EXIT DOES NOT SAVE. 7. To try a different practice activity or re
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