Hope someone here can give me some pointers. I've set up a ldirectord
LinuxHA cluster.
When I start it up its a simple set up. I have one VIP pointing to 2
backend servers and everything seems to come up ok.
Output of ip addr: (weird set up I know - not my network tho just trying
to get this working)
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast
qlen 1000
link/ether 5c:f3:fc:78:c9:98 brd ff:ff:ff:ff:ff:ff
3: eth1: <BROADCAST,MULTICAST> mtu 1500 qdisc noop qlen 1000
link/ether 5c:f3:fc:78:c9:9a brd ff:ff:ff:ff:ff:ff
4: usb0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop qlen 1000
link/ether 5e:f3:fc:7b:c9:9b brd ff:ff:ff:ff:ff:ff
5: eth0.101@eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue
link/ether 5c:f3:fc:78:c9:98 brd ff:ff:ff:ff:ff:ff
inet 172.28.89.46/25 brd 172.28.89.127 scope global eth0.101
inet 172.28.191.155/25 brd 172.28.191.127 scope global eth0.101
<--- This is the VIP
The VIP above points to the backend servers 172.28.191.139 and
172.28.191.140.
Without HA running I can telnet to the backend servers to the proper
port (8080 in this case). As soon as I start up HA and ldirector, I am
unable to telnet to the backend servers on port 8080 on the node that is
primary. I can telnet to them on the backup node and on any other server
on the network but not from the primary node.
I don't have access to the backend servers but the SA tells me he set up
the loopback with an alias to the VIP as I asked and he also said he
added the appropriate entries to prevent the arp issues into sysctl.conf
on the backend servers.
So what the heck is going on? Why does HA suddenly make it impossible to
connect to the backend servers from the primary node?
Another problem I have is that I cannot telnet to the VIP on port 8080
no matter what node it is running on. I think if I can resolve the
problem above, this one will go away too.
Thanks
-mike
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