Ldirectord trouble about monitoring service port
Hideaki Kondo <[email protected]> Tue, 03 Jul 2007 20:25:39 +0900
| Newsgroups | gmane.linux.highavailability.ultramonkey |
|---|---|
| Message-ID | <[email protected]> |
Hello, Simon-san, UltraMonkey-Users,
Thank you for your continued support.
# I'm sorry for my poor English in advance.
I've found a trouble of ldirectord about monitoring
service port of realserver.
Ldirectord seems to exit when ldirectord detects
the service port (80(http), 21(ftp), etc) is down.
The cause of this trouble is the lack of SIGALRM
cancellation (alarm 0;) as follows.
[ldirectord in UltraMonkey3
(heartbeat-1.2.3.cvs.20050927-1.rh.el.um.3.src.rpm)]
http://www.ultramonkey.org/download/3/rh.el.3/SRPMS/
-------------------------------------------------------------------
--- ldirectord.org 2007-06-26 02:27:10.000000000 +0900
+++ ldirectord 2007-07-01 20:18:14.000000000 +0900
@@ -1997,6 +1997,7 @@
if ($sock) {
close($sock);
} else {
+ alarm 0; # Cancel the alarm
die(); #socket attempt failed immediately (not timeout)
}
&ld_debug(3, "Connected to $1 (port $port)");
@@ -2033,6 +2034,7 @@
my $sock = &ld_open_socket($$r{server}, $sip_d_port,
$$v{protocol});
unless ($sock) {
+ alarm 0; # Cancel the alarm
die(); #socket attempt failed immediately (not timeout)
}
-------------------------------------------------------------------
[Referense]
I think that the following trouble is similar to this one.
http://osdir.com/ml/linux.lvs.user/2005-09/msg00100.html
http://archive.linuxvirtualserver.org/html/lvs-users/2005-12/msg00035.html
In this connection, it seems that this bug fix is reflected
in heartbeat-1.2.5.
Would you please update heartbeat-1.2.3.cvs.20050927-1.rh.el.um.3.xxx
for this bug fix ?
# I think that early update is better because this function (
# check_connect()) is often used.
Best regards
--
Hideaki Kondo
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