Something like this should do it (untested).
If the pattern '* disks' can span multiple lines then the solution is more complex. But that looks like a typical set of tokens that would be found on a single line.
#!/usr/bin/perl -w
use strict;
my $file="show_configuration.out";
open (IN, '<', $file) or die "Can't open $file: $!\n";
my $patternSeen =0;
while (<IN>)
{
$patternSeen =1 if /\*\sdisks/; # '* disks' has been seen
next unless $patternSeen;
print;
}
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