16 Jun
2005
16 Jun
'05
7:45 a.m.
Jack,
You may want to have a look at this thread:
http://lists.iptel.org/pipermail/serusers/2005-April/018058.html
There is an issue called call-id stickiness that will cause you problems if
you have devices behind NAT. If you don't, you should be fine with LVS.
As for your problem, you may want to post it the the LVS mailing list. I
have never heard about this before, but it may be due to the way ldirector
is testing "upness". I'm quite sure it does not support an OPTIONS SIP
message as a ping and that it will try on a lower level, which may be
answered regardless of ser is running or not. Try turning off the network on
the real server and see if it is detected as down. Also, do an ngrep on port
5060 on the real server to see what you get.
g-)
Jack Wei wrote:
hi,
I'm trying to set up a cluster of ser boxes using ultramonkey. i want
ldirectord to detect if any of the ser boxes is down, but am not able
to set it up properly.
Here's my ldirector.cf:
checktimeout=10
checkinterval=2
autoreload=no
logfile="local0"
quiescent=yes
virtual=10.1.201.189:5060
real=10.1.201.191:5060 gate
real=10.1.201.193:5060 gate
scheduler=wlc
protocol=udp
# checktype=connect
persistent=600
Using the above configuration, ipvsadm reports the real servers are
up even if they aren't. If i enable "checktype=connect", ipvsadm
reports the real servers are always down.
if anyone know of solutions, please let me know. thanks.
Jack Wei
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