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-Fix migration in cases where we do not manage or know the IP identity of a guest VM

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git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@5213 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd
This commit is contained in:
jbjohnso
2010-02-11 22:13:54 +00:00
parent 628735eb5b
commit 7e53e77017
1 changed files with 8 additions and 3 deletions
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11
xCAT-server/lib/xcat/plugins/kvm.pm
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@@ -528,7 +528,10 @@ sub migrate {
}
my $sock = IO::Socket::INET->new(Proto=>'udp');
my $ipa=inet_aton($node);
my $pa=sockaddr_in(7,$ipa); #UDP echo service, not needed to be actually
my $pa;
if ($ipa) {
$pa=sockaddr_in(7,$ipa); #UDP echo service, not needed to be actually
}
#serviced, we just want to trigger MAC move in the switch forwarding dbs
my $nomadomain;
eval {
@@ -550,8 +553,10 @@ sub migrate {
unless ($newdom) {
return (1,"Failed migration from $prevhyp to $targ");
}
system("arp -d $node"); #Make ethernet fabric take note of change
send($sock,"dummy",0,$pa); #UDP packet to force forwarding table update in switches, ideally a garp happened, but just in case...
if ($ipa) {
system("arp -d $node"); #Make ethernet fabric take note of change
send($sock,"dummy",0,$pa); #UDP packet to force forwarding table update in switches, ideally a garp happened, but just in case...
}
#BTW, this should all be moot since the underlying kvm seems good about gratuitous traffic, but it shouldn't hurt anything
refresh_vm($newdom);
#The migration seems tohave suceeded, but to be sure...