fix for bug 3124671: read the osimage name

git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@8300 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd

xCAT-server/lib/xcat/plugins/aixinstall.pm

@@ -8178,7 +8178,7 @@ sub mkdsklsnode
                 # if nfsserver is set to the service node itself, nothing needs to do
                 if(!xCAT::InstUtils->is_me($nfshash->{$snd}->[0]->{'nfsserver'}))
                 {
-                    my $osimg = $imagehash{$snd}{'profile'};
+                    my $osimg = $nodeosi{$snd};
                     #shared_root configuration
                     my $hostfile;
                     my $filesystemsfile;