Replying to my own post here but the fact that the VIP is on a different
subnet has me curious if this could be an issue:
ip addr show eth0.101
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 <-- VIP
On 11-09-14 06:37 PM, mike wrote:
> 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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> See also: http://linux-ha.org/ReportingProblems
>
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