[Pacemaker] how to test network access and fail over accordingly?

[Jayakrishnan]

Hello,

Guess the change:--
location loc_pingd g_cluster_services rule -inf: not_defined pingd or
pingdnumber:lte 0

should work



-- 
Regards,

Jayakrishnan. L

Visit:
www.foralllinux.blogspot.com
www.jayakrishnan.bravehost.com


On Wed, Oct 6, 2010 at 11:56 AM, Claus Denk <denk at us.es> wrote:

> I am having a similar problem, so let's wait for the experts, But in the
> meanwhile, try changing
>
>
> location loc_pingd g_cluster_services rule -inf: not_defined p_pingd
> or p_pingd lte 0
>
> to
>
> location loc_pingd g_cluster_services rule -inf: not_defined pingd
> or pingd number:lte 0
>
> and see what happens. As far as I have read, it is also more recommended to
> use the "ping"
> resource instead of "pingd"...
>
> kind regards, Claus
>
>
>
>
>
>
> On 10/06/2010 05:45 AM, Craig Hurley wrote:
>
>> Hello,
>>
>> I have a 2 node cluster, running DRBD, heartbeat and pacemaker in
>> active/passive mode.  On both nodes, eth0 is connected to the main
>> network, eth1 is used to connect the nodes directly to each other.
>> The nodes share a virtual IP address on eth0.  Pacemaker is also
>> controlling a custom service with an LSB compliant script in
>> /etc/init.d/.  All of this is working fine and I'm happy with it.
>>
>> I'd like to configure the nodes so that they fail over if eth0 goes
>> down (or if they cannot access a particular gateway), so I tried
>> adding the following (as per
>> http://www.clusterlabs.org/wiki/Example_configurations#Set_up_pingd)
>>
>> primitive p_pingd ocf:pacemaker:pingd params host_list=172.20.0.254 op
>> monitor interval=15s timeout=5s
>> clone c_pingd p_pingd meta globally-unique=false
>> location loc_pingd g_cluster_services rule -inf: not_defined p_pingd
>> or p_pingd lte 0
>>
>> ... but when I do add that, all resource are stopped and they don't
>> come back up on either node.  Am I making a basic mistake or do you
>> need more info from me?
>>
>> All help is appreciated,
>> Craig.
>>
>>
>> pacemaker
>> Version: 1.0.8+hg15494-2ubuntu2
>>
>> heartbeat
>> Version: 1:3.0.3-1ubuntu1
>>
>> drbd8-utils
>> Version: 2:8.3.7-1ubuntu2.1
>>
>>
>> rp at rpalpha:~$ sudo crm configure show
>> node $id="32482293-7b0f-466e-b405-c64bcfa2747d" rpalpha
>> node $id="3f2aac12-05aa-4ac7-b91f-c47fa28efb44" rpbravo
>> primitive p_drbd_data ocf:linbit:drbd \
>>         params drbd_resource="data" \
>>         op monitor interval="30s"
>> primitive p_fs_data ocf:heartbeat:Filesystem \
>>         params device="/dev/drbd/by-res/data" directory="/mnt/data"
>> fstype="ext4"
>> primitive p_ip ocf:heartbeat:IPaddr2 \
>>         params ip="172.20.50.3" cidr_netmask="255.255.0.0" nic="eth0" \
>>         op monitor interval="30s"
>> primitive p_rp lsb:rp \
>>         op monitor interval="30s" \
>>         meta target-role="Started"
>> group g_cluster_services p_ip p_fs_data p_rp
>> ms ms_drbd p_drbd_data \
>>         meta master-max="1" master-node-max="1" clone-max="2"
>> clone-node-max="1" notify="true"
>> location loc_preferred_master g_cluster_services inf: rpalpha
>> colocation colo_mnt_on_master inf: g_cluster_services ms_drbd:Master
>> order ord_mount_after_drbd inf: ms_drbd:promote g_cluster_services:start
>> property $id="cib-bootstrap-options" \
>>         dc-version="1.0.8-042548a451fce8400660f6031f4da6f0223dd5dd" \
>>         cluster-infrastructure="Heartbeat" \
>>         no-quorum-policy="ignore" \
>>         stonith-enabled="false" \
>>         expected-quorum-votes="2" \
>>
>>
>> rp at rpalpha:~$ sudo cat /etc/ha.d/ha.cf
>> node rpalpha
>> node rpbravo
>>
>> keepalive 2
>> warntime 5
>> deadtime 15
>> initdead 60
>>
>> mcast eth0 239.0.0.43 694 1 0
>> bcast eth1
>>
>> use_logd yes
>> autojoin none
>> crm respawn
>>
>>
>> rp at rpalpha:~$ sudo cat /etc/drbd.conf
>> global {
>>         usage-count no;
>> }
>> common {
>>         protocol C;
>>
>>         handlers {}
>>
>>         startup {}
>>
>>         disk {}
>>
>>         net {
>>                 cram-hmac-alg sha1;
>>                 shared-secret "foobar";
>>         }
>>
>>         syncer {
>>                 verify-alg sha1;
>>                 rate 100M;
>>         }
>> }
>> resource data {
>>         device /dev/drbd0;
>>         meta-disk internal;
>>         on rpalpha {
>>                 disk /dev/mapper/rpalpha-data;
>>                 address 192.168.1.1:7789;
>>         }
>>         on rpbravo {
>>                 disk /dev/mapper/rpbravo-data;
>>                 address 192.168.1.2:7789;
>>         }
>> }
>>
>> _______________________________________________
>> Pacemaker mailing list: Pacemaker at 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://developerbugs.linux-foundation.org/enter_bug.cgi?product=Pacemaker
>>
>>
>
>
> _______________________________________________
> Pacemaker mailing list: Pacemaker at 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://developerbugs.linux-foundation.org/enter_bug.cgi?product=Pacemaker
>
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