z/OS V1R8 DFSMS Technical Update - IBM Redbooks

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1.2.1 DFSMSdfp DFSMSdfp V1R8 has been enhanced in the following areas: ► Improvements in tape data set security by new options in DEVSUPxx member ► Catalog ► SMS Fast Path Volume Select ► SMS SCDS create ACDS ► SMS Serviceability ► VSAM code modernization ► DFSMS RLS Enhanced recovery This is an internal improvement that occurs automatically. ► DFSMS RLS – Problem diagnosis - See 3.6.2, “VSAM RLS DIAG command on z/OS V1R8 system” on page 26. – Performance enhancement - See 3.6.4, “VSAM RLS performance enhancement” on page 27. – SMF records for analysis - See 3.6.7, “Monitoring the VSAM RLS use of 64-bit data buffers” on page 30. ► PDSE Program Object format 5 (PO5) module format compatibility on pre-z/OS V1R8 systems Refer to 3.8.1, “PDSE PO5 module format compatibility on pre-z/OS V1R8 systems” on page 55, for details. ► PDSE larger buffer specification See 3.8.2, “PDSE 64-bit virtual storage use enablement” on page 55. – PDSE_HSP-SIZE – PDSE1_HSP_SIZE – PDSE_DIRECTORY_SIZE – PDSE1_DIRECTORY_SIZE ► PDSE buffer hold beyond close See 3.8.4, “Retain buffers beyond PDSE close” on page 62. – PDSE_BUFFER_BEYOND_CLOSE – PDSE1_BUFFER_BEYOND_CLOSE ► DEVMAN Rapid Index rebuild ► ICFRU This was added to DFSMS V1R7 but not documented in z/OS V1R7 DFSMS Technical Update, SG24-7225. For an ICFRU Readiness review example see 3.10, “Integrated Catalog Forward Recovery Utility” on page 73. 4 z/OS V1R8 DFSMS Technical Update
1.2.2 DFSMSdfp OAM enhancements DFSMS OAM V1R8 has been enhanced in the following areas: ► Binary large object support ► Immediate backup copy ► Automated selection of RECYCLE volumes ► Global display keyword 1.2.3 DFSMSdss enhancements DFSMSdss V1R8 has been enhanced in the following areas (see 5.1, “Defining logical and physical processing” on page 134): ► DSS LOGICAL COPY ► DSS extended keywords to differentiate between logical and physical operations 1.2.4 DFSMShsm enhancements DFSMShsm V1R8 has been enhanced in the following areas: ► Fast replication tape support ► Data set recover from fast replication backup and dump versions ► ARECOVER individual data set restore ► Better handling of errors on alternate duplex tapes ► Recycle SYNCHDEV at intervals ► Migration scratch queue for non-VSAM data sets ► New command ALTERPRI 1.2.5 DFSMSrmm enhancements DFSMSrmm V1R8 has been enhanced in the following areas: ► Improvements in tape data set security ► Enterprise RMM CIMOM enhancements Chapter 1. Something old, something new 5
Page 1: ibm.com/redbooks Front cover z/OS V
Page 4 and 5: Note: Before using this information
Page 6 and 7: 3.7 Device manager enhancements . .
Page 8 and 9: 8.5.3 SELECT primary command in RMM
Page 10 and 11: Index . . . . . . . . . . . . . . .
Page 12 and 13: Trademarks The following terms are
Page 14 and 15: Andre Coelho is an IT Storage Speci
Page 16 and 17: xiv z/OS V1R8 DFSMS Technical Updat
Page 18 and 19: 1.1 What was new in z/OS V1R7 DFSMS
Page 22 and 23: 6 z/OS V1R8 DFSMS Technical Update
Page 24 and 25: 2.1 Cheating with OAM After impleme
Page 26 and 27: The new options were introduced as
Page 28 and 29: when the management class assigned
Page 30 and 31: 3.1 Catalog enhancements 3.1.1 LIST
Page 32 and 33: The default number of service tasks
Page 34 and 35: There are two limits to using fast
Page 36 and 37: Once FAST_VOLSEL is turned on, you
Page 38 and 39: Using the DEBUG parameter The new D
Page 40 and 41: 3.6 RLS updates MODIFY CATALOG,VDUM
Page 42 and 43: Coexistence and migration See Table
Page 44 and 45: Toleration on pre-z/OS V1R8 systems
Page 46 and 47: RLS use in general, and the 64-bit
Page 48 and 49: For below the 2 GB bar, the SYSPLEX
Page 50 and 51: Example from group SMF42G1A - data
Page 52 and 53: STRUCTURE name, the indicator of th
Page 54 and 55: There are three different sets of o
Page 56 and 57: ► For group SMF42IA1 in Table 3-5
Page 58 and 59: * ---------------------------------
Page 60 and 61: * ---------------------------------
Page 62 and 63: In Figure 3-32 we show example outp
Page 64 and 65: The above example shows the records
Page 66 and 67: The above example shows the records
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The device manager address space ca
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Note: The system default for both P
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SETSMS commands issued and results
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In Figure 3-48 we show part of the
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3.8.4 Retain buffers beyond PDSE cl
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In Figure 3-51 we show the effect o
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3.8.6 DFSMS V1R8 PDSE enhancements
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If the IFASMFDP is set to extract a
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A further example of output from th
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LRUTIME is not an actual time value
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In Figure 3-61 we show the overall
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D SMF,O IEE967I 18.47.14 SMF PARAME
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4. Create an EXPORT data set from t
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In Figure 3-65 and Figure 3-66 on p
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Once the run is clean, as in this c
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In Figure 3-69 we show the last par
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In Figure 3-72 we show the output f
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In Figure 3-75 we show the message
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In Figure 3-77 through to Figure 3-
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In Figure 3-80 we show the SYLOG ou
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In Figure 3-82 we show the full out
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4.1 Binary large object support 4.1
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4.1.2 Validating 5. Modify and run
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Running the customized CVRSAMIV sam
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SMF TYPE 85 SUBTYPE 1-7 RECORDS SMF
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In Figure 4-10 we show example of o
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***********************************
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ST3FLGS8 EQU X'80' WHEN ON, THE OSR
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4.2.1 Implementing 4.2.2 Validating
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SYSLOG You can look at SYSLOG immed
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In Figure 4-21 we show an example o
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Migration and coexistence Pre-V1R8
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Figure 4-23 shows the definitions f
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Figure 4-26 is an example of an act
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In Figure 4-29 we show the SMF reco
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SMF record type 85 subtype 32 is us
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***********************************
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Figure 4-36 SMF record type 85 subt
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Figure 4-41 SMF85TO output In z/OS
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132 z/OS V1R8 DFSMS Technical Updat
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5.1 Defining logical and physical p
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► You specify the DATASET keyword
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In Figure 5-2 we show the output fr
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In Figure 5-6 we show the output fr
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In Figure 5-9 we show the results o
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6.1 Error handling on alternate dup
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“OA09928” on page 465) that tur
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Figure 6-7 shows the DFSMShsm behav
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Table 6-1 Coexistence table for SES
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Element or feature DFSMShsm System
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► Aggregate recovery (ARECOVER):
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To prepare our backup, we choose in
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In this ACTIVITY LOG (Figure 6-17 o
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Figure 6-20 shows panel 2 of 8 from
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Figure 6-23 shows you panel 7 of 8
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point, see the manual DFSMShsm Impl
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Figure 6-26 shows ALTERPRI syntax.
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Protecting ALTERPRI command Each st
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7.1 Fast replication overview Point
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asynchronously after the host has r
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In addition, there has been a reduc
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storage groups that should be proce
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ISMF panels The Interactive Storage
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The Copy Pool Define panel appears,
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Defining copy pool backup storage g
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The Pool Storage Group Alter panel
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The DFSMShsm backup log contained t
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So far, we have created a fast repl
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ARC0640I ARCFRTM - ADR101I (R/I)-RI
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Prerequisites In order to enable a
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6. Volumes associated with the same
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ARC0640I ARCDVOL1 - PAGE 0001 5695-
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PARTIAL Have at least one volume du
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Copy pool fast replication backup A
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this case all other dump classes as
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The processing of the fast replicat
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The processing of the fast replicat
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Suppose that there was a Version 1
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The fast replication DUMPONLY proce
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The output (Example 7-23) shows the
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Copy pool for NOCOPY processing You
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ARC0640I ARCFRTM - ADR006I (002)-ST
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When all copy pool volumes were suc
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The basic difference between the tr
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Maximum number of parallel processe
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In Figure 7-41 you can see the mess
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Note that the specification of FROM
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When you compare the results of dat
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Execution of the command as shown i
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The backup copy we use for recovery
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TESTFR.DCOLLECT.ESDS01 was, at time
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ARC0640I GDSN01 - ADR006I (001)-STE
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The fast replication dump that we r
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If you recover a data set from a fa
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7.5.1 Statistic records DFSMShsm wr
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7.5.3 DSR records There are no upda
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Offsets Type Length Name Descriptio
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Sample JCL is provided in Example 7
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Customizing reports You can use DFS
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A storage administrator who only ne
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DFSMSHSM DUMP LOG, TIME 15:38:38, D
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K is the fast replication dump reco
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Output from the IDCAMS job is shown
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Description Troubleshooting Hints *
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A FRB record indicates that this is
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8.1 Support true e-mail address for
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Use Example 8-1 to add a new owner
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Figure 8-4 shows you the result of
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Figure 8-8 shows you a sample e-mai
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and displayed by subcommand process
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Once you enable common time support
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8.4 DFSMSrmm VRS policy management
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The combination of COUNT(0) and rel
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This allows you to use either data
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EDG2317E MIGRATION FROM VRSEL(OLD)
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8.4.7 Conversion to DFSMSrmm from o
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EDGCNVT conversion program EDGCNVT
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NOTIFY To list only volumes for whi
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Data set search result list In the
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Example 8-11 Specifying a full volu
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Figure 8-31 shows you the results a
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► NAME(VRS_name) Identifies the v
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Syntax Figure 8-33 shows you the sy
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► OWNER(full_or_generic_owner | *
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If you have requested to search for
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6. Exit the dialog by pressing the
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After the keyword file is loaded se
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After you have finished your update
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8.6.3 Using the ISPF Data Set List
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Figure 8-50 shows all data sets def
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8.7.1 Set a DFSMSrmm control data s
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The JCL to allocate the DFSMSrmm co
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Running inventory management Exampl
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Specifications” on page 92 to rep
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Figure 8-56 shows you the messages
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SYSIN DD * DELETE RMM.EDGRVCLN.LIST
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SET MAXCC=0 /* //TMPCHAIN EXEC PGM=
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The commands that are generated usi
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9.1 Tape data set authorization DFS
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2. If there is no matching TAPEVOL
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In addition, the system determines
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If you have specified to bypass DFS
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9.2.2 Update DEVSUPnn PARMLIB membe
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TAPEDSN. When neither TAPEAUTHDSN n
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Figure 9-8 shows you the current ac
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In our example above you can see th
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to use TAPEVOL profiles and are ena
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UNIT=SYSDA //SYSTSIN DD * RMM SV VO
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dev The device number. ser The volu
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Test case/ success 1 � ACTIVE ACT
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* MHLRES5.** ACC(ALTER) //* MHLRES7
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9.5.2 Test case 2 SECURITY LEVEL --
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9.5.3 Test case 3 NO INSTALLATION D
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Example 9-15 shows the most importa
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SETR REFRESH RACLIST(TAPEVOL) RL TA
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* //* RMM OPTIONS: //* TPRACF(A) //
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9.5.6 Test case 6 NO INSTALLATION D
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SUBMIT EXEC PGM=IEBGENER,COND=EVEN
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* TAPEDSN ACTIVE //* //* FUNCTION /
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9.5.8 Test case 8 In the output of
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CLASS NAME ----- ---- TAPEVOL THM00
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PE 'MHLRES1.**' ACC(NONE) ID(MHLRES
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* //* //* DEVSUP //* TAPEAUTHDSN=N/
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9.5.11 Test case 11 SECURITY LEVEL
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SECURITY LEVEL --------------------
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SETR REFRESH GENERIC(DATASET) SETRO
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* TAPEAUTHRC8=N/A //* //* RACF //*
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9.5.14 Test case 14 ---------------
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----------- -------------- --------
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SETROPTS command complete. RL TAPEV
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Example 9-28 on page 377 shows the
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----- -------- ---------------- ---
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SETR REFRESH RACLIST(TAPEVOL) RL TA
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9.5.18 Test case 18 -------- NO USE
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SYSUT1 DD DISP=SHR,DSN=MHLRES7.RACF
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* TAPEAUTHRC8=N/A //* //* RACF //*
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AUDITING -------- FAILURES(READ) NO
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9.5.21 Test case 21 //* FUNCTION //
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SYSIN DD DUMMY //*-----------------
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LD DATASET('MHLRES1.**') ALL LD DAT
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9.5.23 Test case 23 AR/GR 0: A3280F
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-----------------------------------
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SYSUT1 DD DISP=SHR,DSN=MHLRES1.RACF
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9.5.25 Test case 25 4: 00000000/000
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00 MHLRES7 NONE NO NO AUDITING ----
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YOUR ACCESS CREATION GROUP DATASET
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SETR REFRESH GENERIC(DATASET) LD DA
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9.5.28 Test case 28 For test case 2
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9.5.29 Test case 29 NOTIFY --------
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SYSIN DD DUMMY //*-----------------
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SETR REFRESH GENERIC(DATASET) LD DA
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9.5.32 Test case 32 -------- NO USE
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Example 9-85 shows you the most imp
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9.5.34 Test case 34 NOTIFY --------
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LD DATASET('MHLRES7.**') ALL INFORM
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NOTIFY -------- NO USER TO BE NOTIF
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SYSTSPRT DD SYSOUT=* //SYSTSIN DD *
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APARs referenced in the book OA1770
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OA13332 458 z/OS V1R8 DFSMS Technic
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OA16192 Problem Conclusion: Tempora
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OA18319 OA18465 This is a problem w
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OA19493 OA20170 MSGARC0003I MSGARC0
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OW45264 OW43224 Prior APAR OW45264
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OA16372 APAR Identifier ...... OA16
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Component .......... 5695DF122 Dupl
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UA90352 UA90351 UA90307 UA90306 PTF
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OA17011 CIRCUMVENTION: MESSAGE TO S
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SMF record type 42 sub type 1 data
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* CHECK IF TYPE 02 00650011 CLI SMF
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SCOTRIP DS 0H 01850011 LA R6,0(R3,R
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SMF record type 85 subtype 38 data
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* OTHER REGISTER USES * R12 OVERALL
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* LOOP BACK AT THIS POINT IF THERE
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PRINTL1 DC CL133' COLN/CNID:' ORG P
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PRINTHDR DC CL133'1SMF TYPE 85 SUBT
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SMF record type 85 subtype 32-35 da
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* R7 FOR DIVIDING 00570099 * OTHER
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* 01670099 PUT PRINTDCB,PRINTL0 016
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FINISH DS 0H 02720099 SEGEND 027300
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BTDO DC CL12' ' CONVERTED 03840099
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Step 3: store the JCL to assemble a
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MACRO &NAME SEGSTART &NAME STM 14,1
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* CLI SMF85STY+1,X'07' BNE *+18 MVI
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* CONVERT TTOK & TOK * DO TOK FIRST
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PRINTL2 DC CL133' COLN/OBJN:' ORG P
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* QSAM GET LOCATE PROCESSING IS USE
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G1A42PRP EQU * 02200060 L R8,SMF42G
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G1A2ATRP DS 0H 03700073 LH R14,P2AT
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P42TME2H DC CL9'HH:MM:SS ' 05170070
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PG1A2AL4 DC CL133' ' 06630073 ORG P
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Program SMF42TG alteration The SMF
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* R5 START OF EACH SECTION IN BM LR
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BINDEC IAI 01660091 BINDEC IAJ 0167
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XR R14,R14 CLEAR HIGH ORDER 0275009
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PIA142L5 DC CL133' ' 03760091 ORG P
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PIC142L6 DC CL133' ' 04790091 ORG P
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Step 3: store the JCL to assemble a
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MACRO 00010099 &NAME SEGSTART 00020
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* QUOTIENT IN R15 - IE MINUTES FOR
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JPA42TRP DS 0H 01960099 LH R14,P42T
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JPA2ATRP DS 0H CYCLE 02840099 LH R1
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************* SMF42JPA ************
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************* SMF2AJPA ************
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Program SMF42TJ alteration The SMF
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Online resources These Web sites an
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TAPEAUTHRC8 337 DEVSUPxx parmlib me
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MODIFY DEVMAN parameters 52 MODIFY
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z/OS V1R8 DFSMS Technical Update z/
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