#!/bin/ksh

#
# This small script will unmirror a rootvg image before starting a mksysb.
# Note: Written to work with 2 mirrored copies, will need amending for 3 way mirrors.
#

mkszfile
cp /image.data /tmp/image.data
awk '{
if ( $0 ~ "COPIES= 2" ) {
    print " COPIES= 1"
    MIRRORED = "YES"
    next
    }
if ( $0 ~ "COPIES= 1" ) {
    MIRRORED = "NO"
    }
if ( $0 ~ "PP=" ) {
    if ( MIRRORED == "YES" ) {
        NEW_PP = ( $2 / 2 )
        print " PP= " NEW_PP
        }
    else { print $0 }
    }
else { print $0 }
}' /tmp/image.data > /image.data