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Listc help and VSAM

Posted on 2010-11-29
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Last Modified: 2012-05-10
Disclaimer: I'm taking a class.

If I were to run LISTC ENT('DATASET') ALL in Z/OS, how do I identify VSAM dataset attributes?

Do you know of any appropriate references on the web?

example output:
CLUSTER ------- ZOS.USSFILE.STUDENTS
     IN-CAT --- CATALOG.ZOS         
     HISTORY                        
        DATASET-OWNER-----(NULL)     CREATION--------2009.158                   
        RELEASE----------------2     EXPIRATION------0000.000                   
        BWO STATUS--------(NULL)     BWO TIMESTAMP-----(NULL)                   
        BWO---------------(NULL)                                                
      PROTECTION-PSWD-----(NULL)     RACF---------------(YES)                   
      ASSOCIATIONS                                                              
        DATA-----ZOS.USSFILE.STUDENTS.DATA                                      
    DATA ------- ZOS.USSFILE.STUDENTS.DATA                                      
      IN-CAT --- CATALOG.ZOS                                                    
      HISTORY                                                                   
        DATASET-OWNER-----(NULL)     CREATION--------2009.158                   
        RELEASE----------------2     EXPIRATION------0000.000                   
        ACCOUNT-INFO-----------------------------------(NULL)                   
      PROTECTION-PSWD-----(NULL)     RACF---------------(YES)                   
      ASSOCIATIONS                                                              
        CLUSTER--ZOS.USSFILE.STUDENTS                                           
      ATTRIBUTES                                                                
        KEYLEN-----------------0     AVGLRECL---------------0     BUFSPACE------
------8192     CISIZE--------------4096                                         
        RKP--------------------0     MAXLRECL---------------0     EXCPEXIT------
----(NULL)     CI/CA----------------180                                         
        SHROPTNS(3,3)   RECOVERY     UNIQUE           NOERASE     LINEAR        
NOWRITECHK     NOIMBED       NOREPLICAT                                         
        UNORDERED        NOREUSE     NONSPANNED           ZFS                   
      STATISTICS                                                                
        REC-TOTAL--------------0     SPLITS-CI--------------0     EXCPS---------
---------0                                                                      
        REC-DELETED------------0     SPLITS-CA--------------0     EXTENTS-------
--------49                                                                      
        REC-INSERTED-----------0     FREESPACE-%CI----------0     SYSTEM-TIMESTA
MP:                                                                             
        REC-UPDATED------------0     FREESPACE-%CA----------0          X'C4DA9E8
428021901'                                                                      
        REC-RETRIEVED----------0     FREESPC----------------0                   
      ALLOCATION                                                                
        SPACE-TYPE------CYLINDER     HI-A-RBA-------218234880                   
        SPACE-PRI------------200     HI-U-RBA-------218234880                   
        SPACE-SEC--------------2                                                
      VOLUME                                                                    
        VOLSER------------VPWRKA     PHYREC-SIZE---------4096     HI-A-RBA------
-218234880     EXTENT-NUMBER---------49                                         
        DEVTYPE------X'3010200F'     PHYRECS/TRK-----------12     HI-U-RBA------
-218234880     EXTENT-TYPE--------X'40'                                         
        VOLFLAG------------PRIME     TRACKS/CA-------------15                   
        EXTENTS:                                                                
        LOW-CCHH-----X'000D0000'     LOW-RBA----------------0     TRACKS--------
 ------3000                                                                     
        HIGH-CCHH----X'00D4000E'     HIGH-RBA-------147455999                   
        LOW-CCHH-----X'03D30000'     LOW-RBA--------147456000     TRACKS--------
--------30                                                                      
        HIGH-CCHH----X'03D4000E'     HIGH-RBA-------148930559                   
        LOW-CCHH-----X'03D50000'     LOW-RBA--------148930560     TRACKS--------
--------30                                                                      
        HIGH-CCHH----X'03D6000E'     HIGH-RBA-------150405119                   
        LOW-CCHH-----X'03D70000'     LOW-RBA--------150405120     TRACKS--------
--------30                                                                      
        HIGH-CCHH----X'03D8000E'     HIGH-RBA-------151879679                   
        LOW-CCHH-----X'03D90000'     LOW-RBA--------151879680     TRACKS--------
--------30                                                                      
        HIGH-CCHH----X'03DA000E'     HIGH-RBA-------153354239                   
        LOW-CCHH-----X'03DB0000'     LOW-RBA--------153354240     TRACKS--------
--------30                                                                      
        HIGH-CCHH----X'03DC000E'     HIGH-RBA-------154828799                   
        LOW-CCHH-----X'03DD0000'     LOW-RBA--------154828800     TRACKS--------
--------30                                                                      
        HIGH-CCHH----X'03DE000E'     HIGH-RBA-------156303359                   
        LOW-CCHH-----X'03DF0000'     LOW-RBA--------156303360     TRACKS--------
--------30                                                                      
        HIGH-CCHH----X'03E0000E'     HIGH-RBA-------157777919                   
        LOW-CCHH-----X'03E10000'     LOW-RBA--------157777920     TRACKS--------
--------30                                                                      
        HIGH-CCHH----X'03E2000E'     HIGH-RBA-------159252479                   
        LOW-CCHH-----X'03E30000'     LOW-RBA--------159252480     TRACKS--------
--------30                                                                      
        HIGH-CCHH----X'03E4000E'     HIGH-RBA-------160727039                   
        LOW-CCHH-----X'03E50000'     LOW-RBA--------160727040     TRACKS--------
--------30                                                                      
        HIGH-CCHH----X'03E6000E'     HIGH-RBA-------162201599                   
        LOW-CCHH-----X'03E70000'     LOW-RBA--------162201600     TRACKS--------
--------30                                                                      
        HIGH-CCHH----X'03E8000E'     HIGH-RBA-------163676159                   
        LOW-CCHH-----X'03E90000'     LOW-RBA--------163676160     TRACKS--------
--------30                                                                      
        HIGH-CCHH----X'03EA000E'     HIGH-RBA-------165150719                   
        LOW-CCHH-----X'03EB0000'     LOW-RBA--------165150720     TRACKS--------
--------30                                                                      
        HIGH-CCHH----X'03EC000E'     HIGH-RBA-------166625279                   
        LOW-CCHH-----X'03ED0000'     LOW-RBA--------166625280     TRACKS--------
--------30                                                                      
        HIGH-CCHH----X'03EE000E'     HIGH-RBA-------168099839                   
        LOW-CCHH-----X'03EF0000'     LOW-RBA--------168099840     TRACKS--------
--------30                                                                      
        HIGH-CCHH----X'03F0000E'     HIGH-RBA-------169574399                   
        LOW-CCHH-----X'03F10000'     LOW-RBA--------169574400     TRACKS--------
--------30                                                                      
        HIGH-CCHH----X'03F2000E'     HIGH-RBA-------171048959                   
        LOW-CCHH-----X'03F30000'     LOW-RBA--------171048960     TRACKS--------
--------30                                                                      
        HIGH-CCHH----X'03F4000E'     HIGH-RBA-------172523519                   
        LOW-CCHH-----X'03F50000'     LOW-RBA--------172523520     TRACKS--------
--------30                                                                      
        HIGH-CCHH----X'03F6000E'     HIGH-RBA-------173998079                   
        LOW-CCHH-----X'03F70000'     LOW-RBA--------173998080     TRACKS--------
--------30                                                                      
        HIGH-CCHH----X'03F8000E'     HIGH-RBA-------175472639                   
        LOW-CCHH-----X'03F90000'     LOW-RBA--------175472640     TRACKS--------
--------30                                                                      
        HIGH-CCHH----X'03FA000E'     HIGH-RBA-------176947199                   
        LOW-CCHH-----X'03FB0000'     LOW-RBA--------176947200     TRACKS--------
--------30                                                                      
        HIGH-CCHH----X'03FC000E'     HIGH-RBA-------178421759                   
        LOW-CCHH-----X'03FD0000'     LOW-RBA--------178421760     TRACKS--------
--------30                                                                      
        HIGH-CCHH----X'03FE000E'     HIGH-RBA-------179896319                   
        LOW-CCHH-----X'03FF0000'     LOW-RBA--------179896320     TRACKS--------
 --------30                                                                     
        HIGH-CCHH----X'0400000E'     HIGH-RBA-------181370879                   
        LOW-CCHH-----X'04010000'     LOW-RBA--------181370880     TRACKS--------
--------30                                                                      
        HIGH-CCHH----X'0402000E'     HIGH-RBA-------182845439                   
        LOW-CCHH-----X'04030000'     LOW-RBA--------182845440     TRACKS--------
--------30                                                                      
        HIGH-CCHH----X'0404000E'     HIGH-RBA-------184319999                   
        LOW-CCHH-----X'04050000'     LOW-RBA--------184320000     TRACKS--------
--------30                                                                      
        HIGH-CCHH----X'0406000E'     HIGH-RBA-------185794559                   
        LOW-CCHH-----X'04070000'     LOW-RBA--------185794560     TRACKS--------
--------30                                                                      
        HIGH-CCHH----X'0408000E'     HIGH-RBA-------187269119                   
        LOW-CCHH-----X'04090000'     LOW-RBA--------187269120     TRACKS--------
--------30                                                                      
        HIGH-CCHH----X'040A000E'     HIGH-RBA-------188743679                   
        LOW-CCHH-----X'040B0000'     LOW-RBA--------188743680     TRACKS--------
--------30                                                                      
        HIGH-CCHH----X'040C000E'     HIGH-RBA-------190218239                   
        LOW-CCHH-----X'040D0000'     LOW-RBA--------190218240     TRACKS--------
--------30                                                                      
        HIGH-CCHH----X'040E000E'     HIGH-RBA-------191692799                   
        LOW-CCHH-----X'040F0000'     LOW-RBA--------191692800     TRACKS--------
--------30                                                                      
        HIGH-CCHH----X'0410000E'     HIGH-RBA-------193167359                   
        LOW-CCHH-----X'04110000'     LOW-RBA--------193167360     TRACKS--------
--------30                                                                      
        HIGH-CCHH----X'0412000E'     HIGH-RBA-------194641919                   
        LOW-CCHH-----X'04130000'     LOW-RBA--------194641920     TRACKS--------
--------30                                                                      
        HIGH-CCHH----X'0414000E'     HIGH-RBA-------196116479                   
        LOW-CCHH-----X'04150000'     LOW-RBA--------196116480     TRACKS--------
--------30                                                                      
        HIGH-CCHH----X'0416000E'     HIGH-RBA-------197591039                   
        LOW-CCHH-----X'04170000'     LOW-RBA--------197591040     TRACKS--------
--------30                                                                      
        HIGH-CCHH----X'0418000E'     HIGH-RBA-------199065599                   
        LOW-CCHH-----X'04190000'     LOW-RBA--------199065600     TRACKS--------
--------30                                                                      
        HIGH-CCHH----X'041A000E'     HIGH-RBA-------200540159                   
        LOW-CCHH-----X'041B0000'     LOW-RBA--------200540160     TRACKS--------
--------30                                                                      
        HIGH-CCHH----X'041C000E'     HIGH-RBA-------202014719                   
        LOW-CCHH-----X'041D0000'     LOW-RBA--------202014720     TRACKS--------
--------30                                                                      
 ***                                                                            
        HIGH-CCHH----X'041E000E'     HIGH-RBA-------203489279                   
        LOW-CCHH-----X'041F0000'     LOW-RBA--------203489280     TRACKS--------
--------30                                                                      
        HIGH-CCHH----X'0420000E'     HIGH-RBA-------204963839                   
        LOW-CCHH-----X'04210000'     LOW-RBA--------204963840     TRACKS--------
--------30                                                                      
        HIGH-CCHH----X'0422000E'     HIGH-RBA-------206438399                   
        LOW-CCHH-----X'04230000'     LOW-RBA--------206438400     TRACKS--------
--------30                                                                      
        HIGH-CCHH----X'0424000E'     HIGH-RBA-------207912959                   
        LOW-CCHH-----X'04250000'     LOW-RBA--------207912960     TRACKS--------
--------30                                                                      
        HIGH-CCHH----X'0426000E'     HIGH-RBA-------209387519                   
        LOW-CCHH-----X'04270000'     LOW-RBA--------209387520     TRACKS--------
--------30                                                                      
        HIGH-CCHH----X'0428000E'     HIGH-RBA-------210862079                   
        LOW-CCHH-----X'04290000'     LOW-RBA--------210862080     TRACKS--------
--------30                                                                      
        HIGH-CCHH----X'042A000E'     HIGH-RBA-------212336639                   
        LOW-CCHH-----X'042B0000'     LOW-RBA--------212336640     TRACKS--------
--------30                                                                      
        HIGH-CCHH----X'042C000E'     HIGH-RBA-------213811199                   
        LOW-CCHH-----X'042D0000'     LOW-RBA--------213811200     TRACKS--------
 ***                                                                            
 --------30                                                                     
        HIGH-CCHH----X'042E000E'     HIGH-RBA-------215285759                   
        LOW-CCHH-----X'042F0000'     LOW-RBA--------215285760     TRACKS--------
--------30                                                                      
        HIGH-CCHH----X'0430000E'     HIGH-RBA-------216760319                   
        LOW-CCHH-----X'04310000'     LOW-RBA--------216760320     TRACKS--------
--------30                                                                      
        HIGH-CCHH----X'0432000E'     HIGH-RBA-------218234879                   
 ***

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Question by:JCW2
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LVL 68

Accepted Solution

by:
woolmilkporc earned 2000 total points
ID: 34238240
Here is a tutorial about interpreting LISTCAT's aoutput:

http://www.slideshare.net/danjodea/reading-the-listcat-entries-for-vsam

and this is from IBM's z/OS Infocenter:

http://publib.boulder.ibm.com/infocenter/zos/v1r9/index.jsp?topic=/com.ibm.zos.r9.idai200/da6i2235.htm

Which specific attributes do you need to identify?

 wmp
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Author Comment

by:JCW2
ID: 34254481
I wanted to figure whether or not there were VSAM dataset attributes extant in the dataset.
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LVL 68

Expert Comment

by:woolmilkporc
ID: 34255533
Of course there are - lots! See lines 20-27 in the output you posted!

wmp
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Author Comment

by:JCW2
ID: 34263537
It's VSAM. How do I determine which VSAM it is?
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Author Comment

by:JCW2
ID: 34263541
VSAM type
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LVL 68

Expert Comment

by:woolmilkporc
ID: 34265012
You'll find "LINEAR" in the "ATTRIBUTES" section above, which indicates a LINEAR  (=LDS) dataset.

Other types could be "INDEXED" (= KSDS), "NUMBERED" (= RRDS) or "NONINDEXED" (= ESDS).

Or what do you mean with "VSAM type"?
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Author Closing Comment

by:JCW2
ID: 34288150
Thank you for your help.
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