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HI,
I've got LVS running using piranha/pulse/nanny on a couple of CentOS 5.4
boxes.
Generally, everything is working just fine.
However, I am experiencing apparently random failovers.
I've included my lvs.cf at the end of this message.
Now, as I understand it, the floating IP should stay on the primary
server (admin address: 192.168.55.3) unless it goes away, in which case
it should transfer to the backup (admin address: 192.168.53.4).
What I'm seeing is that traffic appears to switch between devices for no
apparent reason.
If I stop the pulse daemon on the backup, the services switch to the
primary server. But when I restart pulse on the backup, the services
switch back to the backup server - sometimes!
Has anyone else seen anything like this? Anyone got an explanation?
R.
/etc/sysconfig/ha/lvs.cf: (same on both primary and secondary)
serial_no = 74
primary = 192.168.55.3
service = lvs
backup_active = 1
backup = 192.168.55.4
heartbeat = 1
heartbeat_port = 539
keepalive = 5
deadtime = 10
network = direct
debug_level = NONE
monitor_links = 0
syncdaemon = 0
virtual counter_http {
active = 1
address = 72.249.55.60 bond0:60
vip_nmask = 255.255.255.192
port = 80
send = "GET / HTTP/1.0\r\n\r\n"
expect = "HTTP"
use_regex = 0
load_monitor = none
scheduler = wlc
protocol = tcp
timeout = 6
reentry = 15
quiesce_server = 1
server 72.249.55.6 {
address = 72.249.55.6
active = 1
weight = 1
}
# another 9 servers snipped
}
virtual counter_https {
active = 1
address = 72.249.55.60 bond0:60
vip_nmask = 255.255.255.192
port = 443
send_program = "/usr/local/bin/check_https.sh %h"
expect = "OK"
use_regex = 0
load_monitor = none
scheduler = wlc
protocol = tcp
timeout = 6
reentry = 15
quiesce_server = 1
server 72.249.55.6 {
address = 72.249.55.6
active = 1
weight = 1
}
# another 9 servers snipped
}
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