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Problem to see MB Free Space in ISMF

 
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Patricia Magne

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Joined: 25 May 2006
Posts: 10

PostPosted: Thu Apr 29, 2010 1:53 am    Post subject: Problem to see MB Free Space in ISMF
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Hi, we just migrate to z/OS 1.8 last sunday and now we have problems with panel Generate a list of storage groups in ISMF because in the column MB Free Space and % Free Space appears << (the value is greater than 1) however when I list the volumes displays all data with the information.
Code:
LINE       STORGRP  MB TOTAL   MB FREE    % FREE  LAST MOD
OPERATOR   NAME     SPACE      SPACE      SPACE   USERID   
--(1)----  --(2)--- --(14)---  --(15)---  -(16)-  --(17)--
           BDVTRAN     277270     163384      58  SOP014   
           DISKEXT1 ---------  <<<<<<<<<      <<  SOP014   
LINE       VOLUME FREE       %     ALLOC     
OPERATOR   SERIAL SPACE      FREE  SPACE     
--(1)----  -(2)-- ---(3)---  (4)-  ---(5)---
           BVS056    122292     4    2649208
           BVS747   2493548    30    5820953
           ESSE33   2770117    99       1383
           ESSE34   2770117    99       1383
           ESSE38   2760931    99      10569
           ESSE56   2770117    99       1383
           ESSF48   2770117    99       1383
           PODA51    249288     3    8065213
           PODA53  26769756    98     422324
           PODD3C   3659034    44    4655467
           PODD3D   8307252    99       7249
"Code'd"

Why this happen?
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dick scherrer

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Joined: 23 Nov 2006
Posts: 19270
Location: Inside the Matrix

PostPosted: Thu Apr 29, 2010 3:29 am    Post subject:
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Hello,

Possibly because there is no media in the drive, so no statistics can be reported?
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Patricia Magne

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Joined: 25 May 2006
Posts: 10

PostPosted: Thu Apr 29, 2010 7:45 pm    Post subject: Reply to: Problem to see MB Free Space in ISMF
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The pools that no show the free space value are disk pools:
Code:
    LINE       STORGRP  MB TOTAL   MB FREE    % FREE  LAST MOD
  OPERATOR   NAME     SPACE      SPACE      SPACE   USERID 
 ---(1)----  --(2)--- --(14)---  --(15)---  -(16)-  --(17)--
             BDVTRAN     277270     162976      58  SOP014 
 listv       DISKEXT1 ---------  <<<<<<<<<      <<  SOP014 
             DISKEXT2 ---------  <<<<<<<<<      <<  SOP014 
             DISKEXT3      8120       4713      58  SOP014 
For example when we list volumes of pool DISKEXT1 we can see all the values without problem:
Code:
 LINE       VOLUME FREE       %     ALLOC      FRAG   LARGEST   
 OPERATOR   SERIAL SPACE      FREE  SPACE      INDEX  EXTENT   
---(1)----  -(2)-- ---(3)---  (4)-  ---(5)---  -(6)-  ---(7)---
            BVS056    122292     4    2649208     61     105415
            BVS747   2493548    30    5820953      0    2492995
            ESSE33   2770117    99       1383     64    1860394
            ESSE34   2770117    99       1383     64    1860394
            ESSE38   2760931    99      10569      0    2760710
            ESSE56   2770117    99       1383      0    2770117
            ESSF48   2770117    99       1383     62    1940078
            PODA51    249288     3    8065213      1     249012
            PODA53  26769756    98     422324      0   26768704
            PODD3C   3659034    44    4655467      0    3657982
            PODD3D   8307252    99       7249      0    8306976
----------  ------ -----------  BOTTOM  OF  DATA  -----------  -

This occurs for ones pool and other not.
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Pete Wilson

Active User


Joined: 31 Dec 2009
Posts: 437
Location: London

PostPosted: Wed Jun 30, 2010 3:18 pm    Post subject:
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In my experience this is because no allocations have occurred in the pool since it was created, or since the last IPL, so ISMF doesn't refresh the info. Sometimes a temp allocation to the pools sorts it out.
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Patricia Magne

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Joined: 25 May 2006
Posts: 10

PostPosted: Fri Jul 02, 2010 1:28 am    Post subject:
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Thanks Pete,
It is true, the pools with problems are updated constantly but no new files created in them, after create a small test file MB Free Space and % Free Space columns were updated with the right values, the problem was solved.
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