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jaganmoni1
New User
Joined: 31 Oct 2008 Posts: 35 Location: CANADA
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Hi,
Can anyone please tell me that on what conditions a PS file will be created with Block size zero? |
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Gnanas N
Active Member
Joined: 06 Sep 2007 Posts: 792 Location: Chennai, India
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System selects optimal block size for a data set when we specify block size as zero while creating it. |
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jaganmoni1
New User
Joined: 31 Oct 2008 Posts: 35 Location: CANADA
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Yes... I know it... I am asking that on what situation it may create file with 0 blocksize... |
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expat
Global Moderator
Joined: 14 Mar 2007 Posts: 8797 Location: Welsh Wales
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NON SMS managed datasets will honour the BLKSIZE=0 if they are not opened and closed by the program |
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jaganmoni1
New User
Joined: 31 Oct 2008 Posts: 35 Location: CANADA
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Thanks a lot for your valuble answer. How to know either the daset is SMS or non SMS managed? |
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dbzTHEdinosauer
Global Moderator
Joined: 20 Oct 2006 Posts: 6966 Location: porcelain throne
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Jaganmoni1,
is this 0-blocksize an allocation parm?
or
are you speaking of a file with an actual block size of 0? |
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jaganmoni1
New User
Joined: 31 Oct 2008 Posts: 35 Location: CANADA
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Hi,
File was created with actuval block size 0. plz let me know your comments on my query |
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expat
Global Moderator
Joined: 14 Mar 2007 Posts: 8797 Location: Welsh Wales
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Is the file tape or DASD
If DASD - - -
Is the file SMS managed ?
If so, you need to talk to your storage people to take a look. The way that the ACS routines are set up may be part of the cause of the problem
If so - unfortunately this is site specific and can only be resolved by the people responsible for the ACS routines. |
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