What is the details of  your dataclas - VSAMEXT?

Lizette

 > We have a VSAM extended dataset that have filled a 3390-9 volume and we need 
 > to
> reallocate it.
>  
> But……
 > I’m not sure I understand how it was allocated the way it is.
 > Currently:
 > The dataset is on one volume and is 149.700 tracks (data), 308 tracks 
 > (index). Data
> and index are on same volume.
 > The dataclass has a blank volume count.
 > The IDCAMS input used to allocate with is:
   > DEFINE-
 >       CLUSTER-
 >       (NAME(PROD.AMB.AMBARKIV)-
 >       FREESPACE(0,0)-
 >       VOLUME(* *)   -
 >       CYL(12000 50)-
 >       SUBAL SPEED NWCK-
 >       RECORDSIZE(150,1582)-
 >       TO(2049365)-
 >       SHR(2)-
 >       IXD-
 >       DATACLASS(VSAMEXT) -
 >       KEYS(14,0))-
 >   DATA-
 >       (NAME(PROD.AMB.AMBARKIV.DATA)-
 >       CISZ(8192))-
 >   INDEX-
 >       (NAME(PROD.AMB.AMBARKIV.INDX)-
 >       CISZ(1024))
   > What I do not understand is why the dataset do not allocate a secondary 
extend on a
> new volume in the storagegroup – there is free space in the storagegroup.
   > The ‘VOLUME(* *)’ parameter should overwrite the volume count attribute in 
the
> dataclass or….?
   > I would like to avoid a similar allocation and have the new version 
allocated on at least 2
> volumes.

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