Updated Storage->manage_lvm_conf() to only run on EL8.

Signed-off-by: digimer <mkelly@alteeve.ca>

Anvil/Tools/Storage.pm

@@ -3232,6 +3232,8 @@ fi;";
 
 =head2 manage_lvm_conf
 
+B<< Note >>: This only works on EL8. If used on another distro, this method will return without actually doing anything.
+
 This method configures C<< lvm.conf >> to add the C<< filter = [ ... ] >> to ensure DRBD devices aren't scanned.
 
 If there was a problem, C<< 1 >> is returned. Otherwise, C<< 0 >> is returned.
@@ -3274,6 +3276,18 @@ sub manage_lvm_conf
 		target      => $target,
 	}});
 	
+	### NOTE: Only add the filter on EL8 machines.
+	my ($os_type, $os_arch) = $anvil->Get->os_type({debug => $debug});
+	$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => $debug, list => { 
+		os_type => $os_type, 
+		os_arch => $os_arch,
+	}});
+	if ($os_type !~ /\D8/)
+	{
+		# Not EL8, return
+		return(0);
+	}
+	
 	my $body = $anvil->Storage->read_file({
 		debug       => $debug,
 		file        => $anvil->data->{path}{configs}{'lvm.conf'},