[CentOS] heartbeat configuration for lb

bluethundr bluethundr at gmail.com
Sun Dec 12 03:26:00 UTC 2010


Sorry I forgot to finish the story!!! :)

And the interface doesn't appear to be sharing the address:

[root at VIRTCENT01:~]#ip addr sh eth0
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast qlen 1000
    link/ether 00:16:36:22:92:70 brd ff:ff:ff:ff:ff:ff
    inet 192.168.1.23/24 brd 192.168.1.255 scope global eth0
    inet6 fe80::216:36ff:fe22:9270/64 scope link
       valid_lft forever preferred_lft forever


And I can't ping the virtual address I had tried to setup using heartbeat:

[root at VIRTCENT01:~]#ping 192.168.1.200
PING 192.168.1.200 (192.168.1.200) 56(84) bytes of data.
>From 192.168.1.23 icmp_seq=1 Destination Host Unreachable
>From 192.168.1.23 icmp_seq=2 Destination Host Unreachable
>From 192.168.1.23 icmp_seq=3 Destination Host Unreachable

thanks again!!!



On Sat, Dec 11, 2010 at 10:13 PM, bluethundr <bluethundr at gmail.com> wrote:
> hello list!
>
>  I am attempting to setup haproxy using a shared up I am trying to
> setup using the heartbeat package that I currently have installed:
>
>  [root at VIRTCENT01:~]#rpm -qa | grep heartbeat | grep -v -e stonith -e pils
> heartbeat-2.1.4-11.el5
> heartbeat-2.1.4-11.el5
>
>
> I have /etc/ha/.d authkeys setup this way:
>
> #
> auth 2
> #1 crc
> 2 sha1 {SHA}secret
>
> I have /etc/ha.d/resources setup like this:
>
> VIRTCENT01.summitnjhome.com 192.168.1.23
>
> And I have /etc/ha.cf setup like this:
>
>  #       What UDP port to use for udp or ppp-udp communication?
> #
> udpport        694
> bcast  eth0
> mcast eth0 225.0.0.1 694 1 0
> ucast eth0 192.168.1.200
> #       What interfaces to heartbeat over?
> udp     eth0
> #
> #       Facility to use for syslog()/logger (alternative to log/debugfile)
> #
> logfacility     local0
> #
> #       Tell what machines are in the cluster
> #       node    nodename ...    -- must match uname -n
> node    lb1.summitnjhome.com
> node    lb2.summitnjhome.com
>
>
> The service seems to start ok:
>
> [root at VIRTCENT01:~]#service heartbeat restart
> Stopping High-Availability services:
>                                                           [  OK  ]
> Waiting to allow resource takeover to complete:
>                                                           [  OK  ]
> Starting High-Availability services:
> 2010/12/11_22:03:55 INFO:  Resource is stopped
>                                                           [  OK  ]
>
> (tho I am unsure of that the INFO notice is of the resource being stopped).
>
> And I have verified that it is running with ps:
>
> [root at VIRTCENT01:~]#ps auxwww | grep heartbeat
> root      3646  0.1  4.6  12260 12256 ?        SLs  22:03   0:00
> heartbeat: master control process
> nobody    3648  0.0  2.1   5664  5660 ?        SL   22:03   0:00
> heartbeat: FIFO reader
> nobody    3649  0.0  2.1   5660  5656 ?        SL   22:03   0:00
> heartbeat: write: bcast eth0
> nobody    3650  0.0  2.1   5660  5656 ?        SL   22:03   0:00
> heartbeat: read: bcast eth0
> root      3653  0.0  0.2  61180   736 pts/1    S+   22:04   0:00 grep heartbeat
>
>
> And verified that the box is listening on port 694 (the port that I
> have set for heartbeat):
>
>
> [root at VIRTCENT01:~]#netstat -tulpn | grep heartbeat
> udp        0      0 0.0.0.0:694                 0.0.0.0:*
>                 3649/heartbeat: wri
> udp        0      0 0.0.0.0:50550               0.0.0.0:*
>                 3649/heartbeat: wri
>
> However although I have the port enabled in iptables:
>
> -A RH-Firewall-1-INPUT -m state --state NEW -m udp -p udp --dport 694 -j ACCEPT
> -A RH-Firewall-1-INPUT -j REJECT --reject-with icmp-host-prohibited
> COMMIT
>
>
> An nmap scan does not see anything active on 694:
>
> bluethundr at bluethundr-laptop:~$ sudo nmap -sT -A virt1
>
> Starting Nmap 5.00 ( http://nmap.org ) at 2010-12-11 22:07 EST
> Warning: Traceroute does not support idle or connect scan, disabling...
> Interesting ports on 192.168.1.23:
> Not shown: 997 filtered ports
> PORT    STATE  SERVICE VERSION
> 22/tcp  open   ssh     OpenSSH 5.6 (protocol 2.0)
> |  ssh-hostkey: 1024 b0:gu:s (DSA)
> |_ 2048 b0:gu:s (RSA)
> 80/tcp  closed http
> 631/tcp closed ipp
> MAC Address: 00:16:36:22:92:70 (Quanta Computer)
> Device type: general purpose
> Running: Linux 2.6.X
> OS details: Linux 2.6.15 - 2.6.26
> Network Distance: 1 hop
>
> OS and Service detection performed. Please report any incorrect
> results at http://nmap.org/submit/ .
> Nmap done: 1 IP address (1 host up) scanned in 11.27 seconds
>
>
>
> I am enclosing an archive of my /etc/ha.d directory in case this is of
> use to anyone. I would certainly appreciate any help anyone could
> provide!
>
> Thanks!!
>
>
> --
> GPG me!!
>
> gpg --keyserver pgp.mit.edu --recv-keys F186197B
>



-- 
GPG me!!

gpg --keyserver pgp.mit.edu --recv-keys F186197B



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