> On Mon, Mar 04, 2013 at 02:59:56PM +0100, maill...@toerental.nl wrote:
>> Hi,
>>
>> I hope this is the right place for this question because I tried other
>> places and no response from people so this is my last resort I guess.
>>
>> I'm looking for someone with experience with Syncdaemon IPVS and the
>> piranha package.
>> I'm trying to build a loadbalancer with session information synchronized
>> between the hosts.
>>
>> The problem is that I don't see the session information on the backup
>> node
>> (server-b) with the command ipvsadm -Lcn
>>
>> The config:
>> --- LVS.CF ---
>> serial_no = 19
>> primary = <IP server-a>
>> service = lvs
>> backup_active = 1
>> backup = <IP server-b>
>> heartbeat = 1
>> heartbeat_port = 539
>> keepalive = 6
>> deadtime = 18
>> network = direct
>> debug_level = NONE
>> monitor_links = 1
>> syncdaemon = 1
>> syncd_iface = eth0
>> syncd_id = 1
>> virtual http {
>> active = 1
>> address = <VIP_IP> eth0:1
>> vip_nmask = 255.255.255.255
>> port = 80
>> send = "GET / HTTP/1.0\r\n\r\n"
>> expect = "HTTP"
>> use_regex = 0
>> load_monitor = none
>> scheduler = rr
>> protocol = tcp
>> timeout = 6
>> reentry = 15
>> quiesce_server = 0
>> persistent = 120
>> server server-a {
>> address = <IP server-a>
>> active = 1
>> weight = 1
>> }
>> server server-b {
>> address = <IP server-b>
>> active = 1
>> weight = 1
>> }
>> }
>>
>> --- LVS.CF ---
>>
>> On the backup node i see with netstat -tulpen:
>> udp 0 0 224.0.0.81:8848 0.0.0.0:*
>>
>> >From the documentation I know it's multicast udp.
>>
>> A TCP dump shows me that server-a is sending packages:
>>
>> [root@server-a ~]# tcpdump -ni eth0 host 224.0.0.81
>> tcpdump: verbose output suppressed, use -v or -vv for full protocol
>> decode
>> listening on eth0, link-type EN10MB (Ethernet), capture size 65535 bytes
>> 16:24:29.726138 IP server-a.54366 > 224.0.0.81.8848: UDP, length 100
>> 16:24:35.726112 IP server-a.54366 > 224.0.0.81.8848: UDP, length 100
>> 16:24:36.726189 IP server-a.54366 > 224.0.0.81.8848: UDP, length 100
>> 16:24:37.726128 IP server-a.54366 > 224.0.0.81.8848: UDP, length 100
>>
>> [root@server-b ~]# tcpdump -ni eth0 host 224.0.0.81
>> tcpdump: verbose output suppressed, use -v or -vv for full protocol
>> decode
>> listening on eth0, link-type EN10MB (Ethernet), capture size 65535 bytes
>> 16:24:30.177808 IP server-a.54366 > 224.0.0.81.8848: UDP, length 100
>> 16:24:36.177817 IP server-a.54366 > 224.0.0.81.8848: UDP, length 100
>> 16:24:37.177847 IP server-a.54366 > 224.0.0.81.8848: UDP, length 100
>> 16:24:38.177760 IP server-a.54366 > 224.0.0.81.8848: UDP, length 100
>>
>> Server-b get the traffic on it's interface but does nothing with it.
>> ipvsadm -Lcn on server-a show a list with information but on server-b
>> nothing but documentation states that it should and there is a kernel
>> thread running called [ipvs_syncbackup].
>>
>> A strace of the pulse process on server-b shows only the polling of
>> server-a.
>>
>> So what am I missing here? I hope somebody has a clue.
>
> What version of piranha are you using? Also, please run 'ivpsadm
> --list --daemon' on each director to verify the sync daemon is running
> as expected.
>
> Ryan
>
The version of piranha is: piranha-0.8.5-19.el6.x86_64
The command "ipvsadm --list --daemon" does not return anything?
Does I mis a running daemon? Which daemon would that be?
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