Re: Keepalived backup failed to become master

Hi.

On Fri, Jan 31, 2014 at 03:07:47PM -0200, Tiago Cruz wrote:
> Hello,
> 
> I have 2 machines running Centos6 and keepalived-1.2.7-3.el6.x86_64.
> 
> My masters dies today, and my Backup does not got the IP, even with a
> network restart and even with a keepalived restart.
> 
> Follow my configuration:
> 
> Master:
> ========================
> vrrp_instance CLUSTER {
>     smtp_alert
>     interface eth0
>     state MASTER
>     virtual_router_id 152
>     priority 101
>     authentication {
>         auth_type PASS
>         auth_pass blablabla
>     }
>     virtual_ipaddress {
>         2xx.2xx.2xx.1xx/2x dev eth0
>     }
> 
>     notify_master "/etc/keepalived/notify.sh master"
>     notify_backup "/etc/keepalived/notify.sh backup"
>     notify_fault  "/etc/keepalived/notify.sh fault"
> }
> 
> 
> Backup:
> ========================
> vrrp_instance CLUSTER {
>     smtp_alert
>     interface eth0
>     state SLAVE

Not sure if this will solve your problem, but SLAVE is not valid. You
want 'state BACKUP'. Try that first.

Ryan

>     virtual_router_id 152
>     priority 100
>     authentication {
>         auth_type PASS
>         auth_pass blablabla
>     }
>     virtual_ipaddress {
>         2xx.2xx.2xx.1xx/2x dev eth0
>     }
> 
>     notify_master "/etc/keepalived/notify.sh master"
>     notify_backup "/etc/keepalived/notify.sh backup"
>     notify_fault  "/etc/keepalived/notify.sh fault"
> }
> 
> tcpdump:
> ====================
> 
> # tcpdump -vvv -n -i eth0 host 224.0.0.18
> tcpdump: listening on eth0, link-type EN10MB (Ethernet), capture size 65535
> bytes
> 17:03:53.409903 IP (tos 0xc0, ttl 255, id 32557, offset 0, flags [none],
> proto VRRP (112), length 40)
>     2xx.2xx.2xx.9x > 224.0.0.18: VRRPv2, Advertisement, vrid 152, prio 101,
> authtype simple, intvl 1s, length 20, addrs: 200.219.220.152 auth
> "blablabla"
> 17:03:54.410375 IP (tos 0xc0, ttl 255, id 32558, offset 0, flags [none],
> proto VRRP (112), length 40)
>     2xx.2xx.2xx.9x > 224.0.0.18: VRRPv2, Advertisement, vrid 152, prio 101,
> authtype simple, intvl 1s, length 20, addrs: 200.219.220.152
> auth "blablabla"
> 17:03:55.410842 IP (tos 0xc0, ttl 255, id 32559, offset 0, flags [none],
> proto VRRP (112), length 40)
>     2xx.2xx.2xx.9x > 224.0.0.18: VRRPv2, Advertisement, vrid 152, prio 101,
> authtype simple, intvl 1s, length 20, addrs: 200.219.220.152
> auth "blablabla"
> 17:03:56.411311 IP (tos 0xc0, ttl 255, id 32560, offset 0, flags [none],
> proto VRRP (112), length 40)
>     2xx.2xx.2xx.9x > 224.0.0.18: VRRPv2, Advertisement, vrid 152, prio 101,
> authtype simple, intvl 1s, length 20, addrs: 200.219.220.152
> auth "blablabla"
> 17:03:57.411788 IP (tos 0xc0, ttl 255, id 32561, offset 0, flags [none],
> proto VRRP (112), length 40)
>     2xx.2xx.2xx.9x > 224.0.0.18: VRRPv2, Advertisement, vrid 152, prio 101,
> authtype simple, intvl 1s, length 20, addrs: 200.219.220.152
> auth "blablabla"
> 
> # ping master:
> =============
> # ping 10.65.13.95
> PING 10.65.13.95 (10.65.13.95) 56(84) bytes of data.
> >From 10.65.13.96 icmp_seq=2 Destination Host Unreachable
> >From 10.65.13.96 icmp_seq=3 Destination Host Unreachable
> >From 10.65.13.96 icmp_seq=4 Destination Host Unreachable
> ^C
> 
> What can I do to debug? I'm pretty sure that this configuration worked
> before.
> 
> Thanks a lot.
> -- 
> -- Tiago Cruz

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WatchGuard Dimension instantly turns raw network data into actionable 
security intelligence. It gives you real-time visual feedback on key
security issues and trends.  Skip the complicated setup - simply import
a virtual appliance and go from zero to informed in seconds.
http://pubads.g.doubleclick.net/gampad/clk?id=123612991&iu=/4140/ostg.clktrk