stderr redirect pcmpath with unused sddpcm

luninfo

@@ -32,6 +32,7 @@
 # Version 1.17 Fixed scsi id detection for mpioosdisks on 2145
 # Version 1.18 Relax regex for getting fc adapter firmware version
 # Version 1.19 added support for Purestorage Flash array
+# Version 1.20 stderr redirection for pcmpath
 
 use strict;
 use warnings;
@@ -42,7 +43,7 @@ use List::Util qw( max );
 use XML::Simple; # for config file
 #use Data::Dumper;
 
-my $luninfo_version="1.19";
+my $luninfo_version="1.20";
 
 my $cfgfile="/etc/luninfo.cfg";
 
@@ -737,7 +738,7 @@ sub get_all_path_prio {
 # get all path priorities for sddpcm disks
 sub get_all_sdd_path_prio {
 	return if ( ! -x "$pcmpath" );
-	my $pcmpath_data = qx { $pcmpath query device};
+	my $pcmpath_data = qx { $pcmpath query device 2>/dev/null };
 	my $rc=$? >> 8;
 	if ( $rc == 0 ) { # only when there is no error from pcmpath! There are rare occasions, where this is not right,
 			  # e.g. after sddpcm upgrade without reboot
@@ -1152,7 +1153,7 @@ elsif ( $options{'fscsi'} ) {
 	# get SDDPCM adapter state. Important on NPIV installations since AIX adapter state (speed, link state) does not reflect reality
 	if ( -x "$pcmpath" ) {
 		my $start_marker_not_found=1;
-		open(CMD,"$pcmpath query adapter|") or die "Error running $pcmpath query adapter!\n";
+		open(CMD,"$pcmpath query adapter 2>/dev/null |") or die "Error running $pcmpath query adapter!\n";
 		#     0  fscsi0   NORMAL   ACTIVE                 68          0      2       2
 		# IMPORTANT: The adapter name is fscsi, NOT fcs!!
 		while(<CMD>) {