On 14 Feb 2006 09:22:07 -0800, in bit.listserv.ibm-main (Message-ID:<[EMAIL PROTECTED]>) [EMAIL PROTECTED] (David Andrews) wrote:

Interesting. On my system (z/OS 1.3... yeah, I know) an extended sequential dataset at LRECL=6991 yields BLKSIZE=27964. LRECL=6992
yields BLKSIZE=6992.

But change to non-SMS allocation, and LRECL=6992 yields BLKSIZE=27968.
The plot thickens.

     Does your SMS pool have at least one 3380 defined?

lrecl blksize blk/trk  blk/trk  used   used    %      %    blk
                3380     3390   3380   3390   3380   3390  fctr

 6992   6992     6        7    41952  48944   88.4   86.4    1
 6992  13984     3        3    41952  41952   88.4   74.0    2
 6992  20976     2        2    41952  41952   88.4   74.0    3
6992 27968 1 2 27968 55936 58.9 98.7 4
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