There's a couple of ways to determine how much free space you have and/or can use in a particular disk group. To print out the entire free space, issue:
vxdg -g ${group} | grep -i '^${group}' | \
awk '{Sum += $6} END {printf ("Megs free: %.2f\n",Sum/2048)}'
That will tell you the grand total of megs free in ${group}'s disk group. That may or may not be the largest amount of space that you can use. Veritas can show you what it thinks the largest volume it can create using the layout of your choice by executing the following command:
vxassist maxsize layout=${layout}
where layout = simple | stripe | raid5
For example:
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