> I am trying to write out a Unix System Services file --
> a tar archive -- to tape.  For simplicity's sake, I was
> planning on using IEBGENER, but I'm a bit confused as to
> what file characteristics to use for this.

> Anybody out there have any sample JCL?

Unix tar files have a length that is a multiple
of 512.  I would expect either RECFM=FB LRECL=512,
or RECFM=U and a block size some multiple of 512.

Each file stored in a tar file has a 512 byte header, and
is padded to the next 512 byte boundary.  If you change
the blocksize, the data should be fine but you sometimes
get a warning when tar gets to the end of the file.
The blocksize is specified on the tar command with the b
option as a multiplier of 512.  That is, the default of 20
gives a 10240 byte BLKSIZE.

-- glen

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