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add --system-dns to the nmap command, without this flag, the nmap may returns noping for pingable nodes due to DNS related issues

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git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@4562 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd
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ligc 2009-11-13 08:00:51 +00:00
parent 0e6b734b06
commit e4033f21f0
1 changed files with 1 additions and 1 deletions
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2
xCAT-client/bin/pping
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@ -142,7 +142,7 @@ sub nmap_pping {
foreach (@$nodes) {
$deadnodes{$_}=1;
}
open (FPING, "nmap -PE --send-ip -sP ".join(' ',@$nodes). " 2> /dev/null|") or die("Cannot open nmap pipe: $!");
open (FPING, "nmap -PE --system-dns --send-ip -sP ".join(' ',@$nodes). " 2> /dev/null|") or die("Cannot open nmap pipe: $!");
my $node;
while (<FPING>) {
if (/Host (.*) \(.*\) appears to be up/) {