z/OS V1R8 DFSMS Technical Update - IBM Redbooks

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If you recover a data set from a fast replication dump copy you could find the information in a VTOCCOPY data set that was created under control of DFSMShsm (see Figure 7-53). If you want to recover from a DASD fast replication copy a VTOCCOPY data set is not available. You will find all this information in DCOLLECT output (see Figure 7-55 on page 241) of the volumes that are being backed up by using fast replication. BROWSE HSM.DUMPVTOC.T450116.VMHL0A0.D07071 Line 00000000 Col 001 080 Command ===> Scroll ===> CSR ********************************* Top of Data ********************************** SYS1.VTOCIX.MHL0A0 ..Å......... ...h....{.............. TESTFR.DCOLLECT.D997 ..,.....,... ..Ø{....Ø.............. SYS1.VVDS.VMHL0A0 ..Å...........Ø.Ø....Ø.............. TESTFR.DCOLLECT.D999 ..,.....,... ..Ø{....Ø.............. TESTFR.DCOLLECT.ESDS0.DATA ..,.....,.....Ø.{....Ø.............. TESTFR.CNTL.JCL ..,.....,......ØØ....μ.............. TESTFR.DCOLLECT.ESDS01.DATA ..,.....,.....Ø.{....Ø.............. TESTFR.SRCHFOR.LIST ..,.....,... ..Ø&..À.Ø.............. TESTFR.MHLRES2.MVOL.DATA ..,.....,... ..ØØ..À.Ø.............. UCAT.TESTFR ..,.....,.å...{.{....Ø.............. UCAT.TESTFR.CATINDEX ..,...........{.h....Ø.............. ******************************** Bottom of Data ******************************** Figure 7-53 Dump VTOCCOPY data set created by DFSMShsm based on dump class setting When you run a job (Figure 7-54) right before you start a fast replication for a copy pool, you can preserve the volume pointers as well as the information of the type of VSAM for future use. //STEP1 EXEC PGM=IDCAMS //* //* //SYSPRINT DD SYSOUT=* //DCOUT DD DSN=MHLRES2.DCOLLECT.SG1,DISP=(MOD,CATLG), // SPACE=(CYL,(1,1),RLSE),RECFM=VB,LRECL=644, // STORCLAS=HSMFR //SYSIN DD * DCOLLECT - OUTFILE(DCOUT) - STORAGEGROUP( - SG1 - ) - /* END OF DCOLLECT COMMAND Figure 7-54 Example JCL for execution of a DCOLLECT run We recommend reusing a data set for output that is allocated on one of the copy pool volumes. This makes sure that you never become confused about which data set provides accurate information for a particular fast replication backup version that you intend to use for recovery. You must be prepared to not be able to open a copy of this data set from one of the target volumes. So, if you need to access more than the current content of such a data set, start 240 z/OS V1R8 DFSMS Technical Update
FRRECOV for this particular data set from the desired fast replication backup or dump generation. This should never be a problem if you really reuse (not reallocate) the data set when you run the next DCOLLECT since the volume pointers in the catalog entry should not change. BROWSE MHLRES2.DCOLLECT.SG1 Line 00000016 Col 005 084 Command ===> Scroll ===> CSR D ..SC64.(..........TESTFR.DCOLLECT.ESDS01.DATA . ......{.MHL0A0 A ..SC64.(..........TESTFR.DCOLLECT.ESDS01.DATA TESTFR.DCOLLECT. D ..SC64.(..........UCAT.TESTFR .â¦.....{.MHL0A0 A ..SC64.(..........UCAT.TESTFR UCAT.TESTFR D ..SC64.(..........SYS1.VTOCIX.MHL0A0 . ±... .Ø.MHL0A0 D ..SC64.(..........TESTFR.MHLRES2.MVOL.DATA . ±... .&.MHL0A0 V ..SC64.(..........MHL0A1X...........¢...¢................h...?3390 Ø.....SG D ..SC64.(..........SYS1.VVDS.VMHL0A1 . ........MHL0A1 A ..SC64.(..........SYS1.VVDS.VMHL0A1 SYS1.VVDS.VMHL0A D ..SC64.(..........TESTFR.DCOLLECT.D987 .à.... .&.MHL0A1 D ..SC64.(..........TESTFR.DCOLLECT.D989 .à.... .&.MHL0A1 D ..SC64.(..........TESTFR.CMD.CLIST .è......°.MHL0A1 D ..SC64.(..........TESTFR.MHLRES2.DUMMY . .... .&.MHL0A1 D ..SC64.(..........TESTFR.MHLRES2.MVOL.DATA . .... .&.MHL0A1 D ..SC64.(..........TESTFR.DCOLLECT.ESDS1.DATA . ......{.MHL0A1 A ..SC64.(..........TESTFR.DCOLLECT.ESDS1.DATA TESTFR.DCOLLECT. D ..SC64.(..........TESTFR.SUPERC.LIST . .... .m.MHL0A1 D ..SC64.(..........TESTFR.DCOLLECT.ESDS01.DATA . ......{.MHL0A1 A ..SC64.(..........TESTFR.DCOLLECT.ESDS01.DATA TESTFR.DCOLLECT. D ..SC64.(..........SYS1.VTOCIX.MHL0A1 . ±... .Ø.MHL0A1 Figure 7-55 Output of DCOLLECT STORAGEGROUP(SG1) In order to find information about the data set names that you are interested in it is easiest to browse the DCOLLECT data set and to use the find command. When all required information is available you can allocate a dummy data set. You should consider using a storage class that was defined with the guaranteed space attribute in order to make sure that the dummy data set is allocated on the same volumes as it was at time of backup. Do not forget to alter the storage class after allocation of the data set. During FRRECOV DSNAME processing there is no call for ACS routine services, so the storage class is not redetermined automatically. After you have finished the preparation activities you can try the FRRECOV DSNAME command for the data set. While the physical data set copy is a physical process that works at the tracks level to copy a data set, you never need to worry about the physical location of a data set’s extents. DFSMSdss is able to use any free extents on a volume for output of the data set copy process. You might get into trouble if the current free space on the volumes is not sufficient to restore the data set. If this is the case, recovery fails, so you must retry the FRRECOV DSNAME command after you have moved some data sets off the volumes. 7.5 Reporting on the DFSMShsm fast replication environment In this section we discuss reporting in the fast replication environment. Chapter 7. DFSMShsm fast replication 241
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ibm.com/redbooks Front cover z/OS V
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Note: Before using this information
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3.7 Device manager enhancements . .
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8.5.3 SELECT primary command in RMM
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Index . . . . . . . . . . . . . . .
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Trademarks The following terms are
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Andre Coelho is an IT Storage Speci
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xiv z/OS V1R8 DFSMS Technical Updat
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1.1 What was new in z/OS V1R7 DFSMS
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1.2.1 DFSMSdfp DFSMSdfp V1R8 has be
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6 z/OS V1R8 DFSMS Technical Update
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2.1 Cheating with OAM After impleme
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The new options were introduced as
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when the management class assigned
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3.1 Catalog enhancements 3.1.1 LIST
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The default number of service tasks
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There are two limits to using fast
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Once FAST_VOLSEL is turned on, you
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Using the DEBUG parameter The new D
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3.6 RLS updates MODIFY CATALOG,VDUM
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Coexistence and migration See Table
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Toleration on pre-z/OS V1R8 systems
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RLS use in general, and the 64-bit
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For below the 2 GB bar, the SYSPLEX
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Example from group SMF42G1A - data
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STRUCTURE name, the indicator of th
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There are three different sets of o
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► For group SMF42IA1 in Table 3-5
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* ---------------------------------
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* ---------------------------------
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In Figure 3-32 we show example outp
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The above example shows the records
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The above example shows the records
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3.7.2 New MODIFY DEVMAN parameters
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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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Page 208 and 209: Prerequisites In order to enable a
Page 210 and 211: 6. Volumes associated with the same
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Page 214 and 215: PARTIAL Have at least one volume du
Page 216 and 217: Copy pool fast replication backup A
Page 218 and 219: this case all other dump classes as
Page 220 and 221: The processing of the fast replicat
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Page 224 and 225: Suppose that there was a Version 1
Page 226 and 227: The fast replication DUMPONLY proce
Page 228 and 229: The output (Example 7-23) shows the
Page 230 and 231: Copy pool for NOCOPY processing You
Page 232 and 233: ARC0640I ARCFRTM - ADR006I (002)-ST
Page 234 and 235: When all copy pool volumes were suc
Page 236 and 237: The basic difference between the tr
Page 238 and 239: Maximum number of parallel processe
Page 240 and 241: In Figure 7-41 you can see the mess
Page 242 and 243: Note that the specification of FROM
Page 244 and 245: When you compare the results of dat
Page 246 and 247: Execution of the command as shown i
Page 248 and 249: The backup copy we use for recovery
Page 250 and 251: TESTFR.DCOLLECT.ESDS01 was, at time
Page 252 and 253: ARC0640I GDSN01 - ADR006I (001)-STE
Page 254 and 255: The fast replication dump that we r
Page 258 and 259: 7.5.1 Statistic records DFSMShsm wr
Page 260 and 261: 7.5.3 DSR records There are no upda
Page 262 and 263: Offsets Type Length Name Descriptio
Page 264 and 265: Sample JCL is provided in Example 7
Page 266 and 267: Customizing reports You can use DFS
Page 268 and 269: A storage administrator who only ne
Page 270 and 271: DFSMSHSM DUMP LOG, TIME 15:38:38, D
Page 272 and 273: K is the fast replication dump reco
Page 274 and 275: Output from the IDCAMS job is shown
Page 276 and 277: Description Troubleshooting Hints *
Page 278 and 279: A FRB record indicates that this is
Page 280 and 281: 8.1 Support true e-mail address for
Page 282 and 283: Use Example 8-1 to add a new owner
Page 284 and 285: Figure 8-4 shows you the result of
Page 286 and 287: Figure 8-8 shows you a sample e-mai
Page 288 and 289: and displayed by subcommand process
Page 290 and 291: Once you enable common time support
Page 292 and 293: 8.4 DFSMSrmm VRS policy management
Page 294 and 295: The combination of COUNT(0) and rel
Page 296 and 297: This allows you to use either data
Page 298 and 299: EDG2317E MIGRATION FROM VRSEL(OLD)
Page 300 and 301: 8.4.7 Conversion to DFSMSrmm from o
Page 302 and 303: EDGCNVT conversion program EDGCNVT
Page 304 and 305: 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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