Need clarification in increasing the space.

baansal · New User Joined: 05 Jun 2007 Posts: 4 Location: bangalore

I need to increase the space of the dataset and that i can do in two ways:

1) increase the primary and secondary values OR
2) change the AVGREC=U to AVGREC=K.

I need to know, which one will be better and why?
Could you people help me in this issue.

enrico-sorichetti · Posted: Wed Jan 09, 2008 3:16 pm

as I said in some other post,
it not wise just to plug in some arbitrary chosen value in order to get rid of space problems..

are You sure that You want a multiplication factor of 1024 for Your allocations ??

it really does not make any difference what parameter You change as long as You realize what You are doing

expat · Posted: Wed Jan 09, 2008 5:34 pm

Also, whatever units of allocation you choose, they are always reduced down to two things by the DASD subsystem, tracks or cylinders, so why not cut out the middle man and do your allocations as such.

A couple of questions ..............
What is the current alloaction and utilisation ?
Has the expected growth rate been trended by your performance and capacity people ?
Is it VSAM, NON VSAM, FB, VB ...........
Is it single or multi volume ?