Try to set cidr_netmask=32 for resource only, and let the physical interface's netmask be 24.
On Tue, Sep 2, 2014 at 11:27 AM, Sihan Goi <gois...@gmail.com> wrote: > Got it. Changed the netmask for both PCs to 255.255.255.0 and changed > cidr_netmask to 24 and it works...sort of. > > It was working for a while, and then I rebooted both PCs, and now each > thinks its online and the other is offline. > > "pcs status" on my node01 gives the following output: > Cluster name: cluster_web > Last updated: Tue Sep 2 12:21:25 2014 > Last change: Tue Sep 2 12:13:27 2014 via cibadmin on node02 > Stack: corosync > Current DC: node01 (1) - partition WITHOUT quorum > Version: 1.1.10-32.el7_0-368c726 > 2 Nodes configured > 2 Resources configured > > > Online: [ node01 ] > OFFLINE: [ node02 ] > > Full list of resources: > > virtual_ip (ocf::heartbeat:IPaddr2): Started node01 > webserver (ocf::heartbeat:apache): Started node01 > > PCSD Status: > node01: Offline > node02: Online > > Daemon Status: > corosync: active/disabled > pacemaker: active/disabled > pcsd: active/disabled > > However, "pcs status" on node02 shows the following output: > Cluster name: cluster_web > Last updated: Tue Sep 2 12:20:41 2014 > Last change: Tue Sep 2 11:59:03 2014 via cibadmin on node02 > Stack: corosync > Current DC: node02 (2) - partition WITHOUT quorum > Version: 1.1.10-32.el7_0-368c726 > 2 Nodes configured > 2 Resources configured > > > Online: [ node02 ] > OFFLINE: [ node01 ] > > Full list of resources: > > virtual_ip (ocf::heartbeat:IPaddr2): Started node02 > webserver (ocf::heartbeat:apache): Started node02 > > PCSD Status: > node01: Offline > node02: Online > > Daemon Status: > corosync: active/disabled > pacemaker: active/disabled > pcsd: active/disabled > > Seems like each node thinks it's online and the other is not. I'm running HA > on apache webserver, and if I access the webpage on node01, I get node01's > index.html. If I access it on node02, I get node02's index.html. If I access > it via another PC connected to the same AP, the webpage is unavailable. > > What could be wrong? > > > On Mon, Sep 1, 2014 at 9:09 PM, John Lauro <john.la...@covenanteyes.com> > wrote: >> >> ip=192.168.0.110 cidr_netmask=32 >> /32 leaves no room for any other IP addresses on that interface and so you >> have to specify the nic. Are you certain 192.168.0.111 and 192.168.0.112 do >> not have a different netmask from 255.255.255.255, like 255.255.255.0 for >> /24 or 255.255.0.0 for /16? If they do have 255.255.255.255 too, then they >> are probably not setup correctly... >> >> PS: cidr_netmask is optional. Assuming a proper netmask (not >> 255.255.255.2555) is on 192.168.0.111 and 192.168.0.112 it should work >> without specifying cidr_netmask. >> >> >> ________________________________ >> >> From: "Sihan Goi" <gois...@gmail.com> >> To: pacemaker@oss.clusterlabs.org >> Sent: Monday, September 1, 2014 4:17:20 AM >> Subject: [Pacemaker] ERROR: Unable to find nic or netmask. >> >> >> Hi, >> >> I'm trying to create a HA cluster with 2 CentOS 7 PCs connected to a >> wireless AP. The PCs have the static IP addresses 192.168.0.111 and >> 192.168.0.112 respectively and hostnames node01 and node02 respectively. >> >> I've tried to create a virtual IP address of 192.168.0.110 using the >> following command: >> >> pcs resource create virtual_ip ocf:heartbeat:IPaddr2 ip=192.168.0.110 >> cidr_netmask=32 op monitor interval=30s >> >> However, when I do a "pcs status resources" I get the following output: >> >> virtual_ip (ocf::heartbeat:IPaddr2): Stopped >> >> The virtual IP is stopped rather than started. I looked into >> /var/log/messages and /var/log/pacemaker.log >> and I find the following error messages: >> >> node02 IPaddr2(virtual_ip)[25451]: ERROR: Unable to find nic or netmask. >> node02 IPaddr2(virtual_ip)[25451]: ERROR: [findif] failed >> >> It seems that it's unable to find my nic. How can I fix this? >> >> Thanks. >> >> _______________________________________________ >> Pacemaker mailing list: Pacemaker@oss.clusterlabs.org >> http://oss.clusterlabs.org/mailman/listinfo/pacemaker >> >> Project Home: http://www.clusterlabs.org >> Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf >> Bugs: http://bugs.clusterlabs.org >> >> > > > > -- > - Goi Sihan > gois...@gmail.com > > _______________________________________________ > Pacemaker mailing list: Pacemaker@oss.clusterlabs.org > http://oss.clusterlabs.org/mailman/listinfo/pacemaker > > Project Home: http://www.clusterlabs.org > Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf > Bugs: http://bugs.clusterlabs.org > _______________________________________________ Pacemaker mailing list: Pacemaker@oss.clusterlabs.org http://oss.clusterlabs.org/mailman/listinfo/pacemaker Project Home: http://www.clusterlabs.org Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf Bugs: http://bugs.clusterlabs.org
