z/OS V1R8 DFSMS Technical Update - IBM Redbooks

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Toleration on pre-z/OS V1R8 systems There is no provision for the performance improvement on lower level systems, but toleration maintenance is available. In Figure 3-3 on page 16 we show the toleration maintenance available for systems prior to z/OS V1R8. Note: The current status of these and related APARs should be used. Table 3-3 RLS XES cleanup performance improvement toleration maintenance APAR Description Effect OA13332 - See “OA13332” on page 458. OA11708 - See “OA11708” on page 457. OA14666 - See “OA14666” on page 459. 3.6.5 VSAM RLS use of 64-bit data buffers VSAM RLS has specific requirements for use of 64-bit buffers (over the 2 GB bar). These are discussed in detail in z/OS V1R7 DFSMS Technical Update, SG24-7225, but an update to what is published there is needed. The basic requirements are: ► Any data set to be used for RLS above the bar buffers must be associated with a SMS data class with the RLS ABOVE THE BAR attribute set to Y. ► SYS1.PARMLIB member IGDSMSxx must include a non-zero value for RlsAboveThebarMaxPoolSize, as shown in Figure 3-20 on page 29: RlsAboveThebarMaxPoolSize = 500 ► SYS1.PARMLIB member IGDSMSxx must include Rls_MaxCfFeatureLevel = A. This is what has changed from the comment in z/OS V1R7 DFSMS Technical Update, SG24-7225, where a value of Z was shown as allowable. ► SYS1.PARMLIB member IGDSMSxx may include a non-zero value for RlsFixedPoolSize. Figure 3-20 on page 29 shows RlsFixedPoolSize = 50 ► In Figure 3-20 on page 29 we show the output from the D SMS,OPTIONS command showing the RLS requirements set. 28 z/OS V1R8 DFSMS Technical Update Prerequisite for OA11708 Adds SYSPLEX support required for OA11708 Reduces termination delays when V SMS,SMSVSAM,TERMINATESERVER command is issued Manages locks more rapidly Post requisite for OA11708 Completes OA11708
D SMS,OPTIONS IGD002I 19:54:14 DISPLAY SMS 857 ACDS = SYS1.SMS.ACDS COMMDS = SYS1.SMS.COMMDS INTERVAL = 15 DINTERVAL = 150 SMF_TIME = YES CACHETIME = 3600 CF_TIME = 1800 PDSE_RESTARTABLE_AS = YES PDSE_BMFTIME = 3600 PDSE1_BMFTIME = 3600 PDSE_LRUTIME = 60 PDSE1_LRUTIME = 50 PDSE_LRUCYCLES = 15 PDSE1_LRUCYCLES = 200 LOCAL_DEADLOCK = 15 GLOBAL_DEADLOCK = 4 REVERIFY = NO DSNTYPE = PDS ACSDEFAULTS = NO PDSESHARING = EXTENDED OVRD_EXPDT = NO SYSTEMS = 8 PDSE_HSP_SIZE = 0MB PDSE1_HSP_SIZE = 256MB USE_RESOWNER = YES RLS_MAX_POOL_SIZE = 100MB RLSINIT = YES RLSTMOUT = 0 COMPRESS = GENERIC LOG_OF_LOGS = IGWTVS.LOG.OF.LOGS QTIMEOUT = 300 TVSNAME = 064 AKP = 1000 TV_START_TYPE = WARM MAXLOCKS = (0,0) CICSVR_INIT = YES CICSVR_DSNAME_PREFIX = DWWUSER.V3R1M0 CICSVR_RCDS_PREFIX = DWW CICSVR_GRPNAME_SUFFIX = PROD CICSVR_ZZVALUE_PARM = CICSVR_UNDOLOG_CONTROL = CICSVR_UNDOLOG_PREFIX = DWW CICSVR_BACKOUT_CONTROL = CICSVR_GENERAL_CONTROL = Rls_MaxCfFeatureLevel = A RlsAboveThebarMaxPoolSize = 500 RlsFixedPoolSize = 50 PDSE_MONITOR = (YES,0,0) PDSE1_MONITOR = (YES,0,0) PDSE_DIRECTORY_STORAGE = 2000M PDSE_BUFFER_BEYOND_CLOSE = NO PDSE1_BUFFER_BEYOND_CLOSE = NO GDS_RECLAIM = YES DSSTIMEOUT = 0 BLOCKTOKENSIZE = NOREQUIRE FAST_VOLSEL = ON IGD002I 19:54:14 DISPLAY SMS TRACE = OFF SIZE = 1024K TYPE = ALL JOBNAME = * ASID = * TRACING EVENTS: MODULE = OFF SMSSJF = OFF SMSSSI = OFF ACSINT = OFF OPCMD = OFF CONFC = OFF CDSC = OFF CONFS = OFF MSG = OFF ERR = OFF CONFR = OFF CONFA = OFF ACSPRO = OFF IDAX = OFF DISP = OFF CATG = OFF VOLREF = OFF SCHEDP = OFF SCHEDS = OFF VTOCL = OFF VTOCD = OFF VTOCR = OFF VTOCC = OFF VTOCA = OFF RCD = OFF DCF = OFF DPN = OFF TVR = OFF DSTACK = OFF UAFF = OFF DEBUG = ON VOLSELMSG = (OFF,0) TYPE = ALL JOBNAME = * ASID = * STEPNAME = * PDSE1_BUFFER_BEYOND_CLOSE = NO GDS_RECLAIM = YES DSSTIMEOUT = 0 BLOCKTOKENSIZE = NOREQUIRE FAST_VOLSEL = ON IGD002I 19:54:14 DISPLAY SMS TRACE = OFF SIZE = 1024K TYPE = ALL JOBNAME = * ASID = * TRACING EVENTS: MODULE = OFF SMSSJF = OFF SMSSSI = OFF ACSINT = OFF OPCMD = OFF CONFC = OFF CDSC = OFF CONFS = OFF MSG = OFF ERR = OFF CONFR = OFF CONFA = OFF ACSPRO = OFF IDAX = OFF DISP = OFF CATG = OFF VOLREF = OFF SCHEDP = OFF SCHEDS = OFF VTOCL = OFF VTOCD = OFF VTOCR = OFF VTOCC = OFF VTOCA = OFF RCD = OFF DCF = OFF DPN = OFF TVR = OFF DSTACK = OFF UAFF = OFF DEBUG = ON VOLSELMSG = (OFF,0) TYPE = ALL JOBNAME = * ASID = * STEPNAME = * DSNAME = * Figure 3-20 D SMS,OPTIONS showing RLS above 2 GB bar requirements set 3.6.6 DSS LOGICAL COPY WARNING A VSAM KSDS with data and index components on different volumes may lose its SMS RLSDATA information during DSS COPY. This may result in the correct attributes for VSAM Chapter 3. DFSMSdfp V1R8 enhancements 29
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 20 and 21: 1.2.1 DFSMSdfp DFSMSdfp V1R8 has be
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 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
Page 68 and 69: 3.7.2 New MODIFY DEVMAN parameters
Page 70 and 71: The device manager address space ca
Page 72 and 73: Note: The system default for both P
Page 74 and 75: SETSMS commands issued and results
Page 76 and 77: In Figure 3-48 we show part of the
Page 78 and 79: 3.8.4 Retain buffers beyond PDSE cl
Page 80 and 81: In Figure 3-51 we show the effect o
Page 82 and 83: 3.8.6 DFSMS V1R8 PDSE enhancements
Page 84 and 85: If the IFASMFDP is set to extract a
Page 86 and 87: A further example of output from th
Page 88 and 89: LRUTIME is not an actual time value
Page 90 and 91: In Figure 3-61 we show the overall
Page 92 and 93: 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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