diff --git a/Ceph/Script/cephUsage.pl b/Ceph/Script/cephUsage.pl
index 0a22df1ee47ee42aed166f3513a50d640ad3e8d2..7c5fbeb35d613221d7739fc16fa48362aa220f83 100755
--- a/Ceph/Script/cephUsage.pl
+++ b/Ceph/Script/cephUsage.pl
@@ -31,6 +31,7 @@ sub convertNumber
     if ($toWhat eq 'size') {
 	# return unit: T
 	$string =~ s/iB$//;
+	$string =~ s/B$//;
 	$value = $string;
 	my $lastChar = lc(chop($string));
 	if ($lastChar eq "p") {
@@ -178,19 +179,25 @@ foreach my $_line (@_data)
 	$poolTest = $fields[1];
     }
     if (exists $poolHash{$poolTest}) {
-	$poolHash{$poolTest}{'size'} += convertNumber($fields[6],'size');
-	$poolHash{$poolTest}{'tot'} = convertNumber($fields[8],'size') unless ($poolHash{$poolTest}{'tot'} > convertNumber($fields[8],'size'));
-	if ( $poolHash{$poolTest}{'tot'} > 0. ) {
-	    $poolHash{$poolTest}{'frac'} = $poolHash{$poolTest}{'size'} / $poolHash{$poolTest}{'tot'};
+	$poolHash{$poolTest}{'used'} += convertNumber($fields[5],'size');
+	$poolHash{$poolTest}{'size'} += convertNumber($fields[12],'size');
+	my $tempFrac = $fields[6];
+	my $tempMax = convertNumber($fields[7],'size');
+	$tempMax = $poolHash{$poolTest}{'used'}/$tempFrac/0.01 if ($tempFrac > 1.);
+	$poolHash{$poolTest}{'max'} = $tempMax unless ($poolHash{$poolTest}{'max'} > $tempMax);
+	if ( $poolHash{$poolTest}{'max'} > 0. ) {
+	    $poolHash{$poolTest}{'frac'} = $poolHash{$poolTest}{'used'} / $poolHash{$poolTest}{'max'};
 	}
 	$poolHash{$poolTest}{'objs'} += convertNumber($fields[9],'count');
     } else {
-	$poolHash{$poolTest}{'size'} = convertNumber($fields[6],'size');
-	$poolHash{$poolTest}{'frac'} = 0.;
-	$poolHash{$poolTest}{'tot'} = convertNumber($fields[8],'size');
+	$poolHash{$poolTest}{'used'} = convertNumber($fields[5],'size');
+	$poolHash{$poolTest}{'size'} = convertNumber($fields[12],'size');
+	$poolHash{$poolTest}{'frac'} = $fields[6];
+	$poolHash{$poolTest}{'max'} = convertNumber($fields[7],'size');
+	$poolHash{$poolTest}{'max'} = $poolHash{$poolTest}{'used'}/$poolHash{$poolTest}{'frac'}/0.01 if ($poolHash{$poolTest}{'frac'} > 1.);
 	$poolHash{$poolTest}{'objs'} = convertNumber($fields[9],'count');
     }
-    print "POOL: $poolTest  ".$poolHash{$poolTest}{'size'}." ".$poolHash{$poolTest}{'frac'}." ".$poolHash{$poolTest}{'objs'}."\n" if (defined $opt_debug);
+    print "POOL: $poolTest  ".$poolHash{$poolTest}{'used'}." ".$poolHash{$poolTest}{'max'}." ".$poolHash{$poolTest}{'size'}." ".$poolHash{$poolTest}{'frac'}." ".$poolHash{$poolTest}{'objs'}."\n" if (defined $opt_debug);
 }
 
 if (defined $opt_debug) {