[Pacemaker] ping directive configuration

paul harford harfordmeister at gmail.com
Tue Feb 1 11:05:12 UTC 2011 

Hi NIkita
I reverted to an early snapshot and started again i now have ping d running
but when i remove the eth0 the resource does not failover

i can see in the ha-log that the ping detects the network is gone but it
does not move the resource. Can anyone see the error in my config?


node $id="271808bb-ed74-4eaa-8c94-bf32a00074dd" node1 \
        attributes standby="off"
node $id="59440607-2a5c-450e-84fa-94bf69742671" node2 \
        attributes standby="off"
primitive MYPING ocf:pacemaker:pingd \
        params host_list="10.100.0.254" multiplier="1000" \
        op monitor interval="15s" timeout="20s" \
        op start interval="0" timeout="90s" \
        op stop interval="0" timeout="100s"
primitive crhweb ocf:heartbeat:apache \
        params configfile="/etc/httpd/conf/httpd.conf" \
        op monitor interval="60s" \
        meta target-role="Started"
primitive failoverip ocf:heartbeat:IPaddr \
        params ip="10.100.1.100" cidr_netmask="255.255.0.0" \
        op monitor interval="30s"
clone MYPINGCLONE MYPING \
        meta globally-unique="false"
location web_location crhweb \
        rule $id="web_location-rule" -inf: not_defined pingd or pingd lte 0
colocation crhweb-with-failoverip inf: crhweb failoverip
order crhweb-after-failoverip inf: MYPINGCLONE failoverip crhweb
property $id="cib-bootstrap-options" \
        dc-version="1.0.10-da7075976b5ff0bee71074385f8fd02f296ec8a3" \
        cluster-infrastructure="Heartbeat" \
        stonith-enabled="false" \
        no-quorum-policy="ignore"
rsc_defaults $id="rsc-options" \
        resource-stickiness="100"


HA_LOG

Jan 28 11:17:42 node1 heartbeat: [2872]: ERROR: glib: Error sending packet:
Network is unreachable
Jan 28 11:17:42 node1 heartbeat: [2872]: info: glib: euid=0 egid=0
Jan 28 11:17:42 node1 heartbeat: [2872]: ERROR: write_child: write failure
on ping 10.100.0.254.: Network is unreachable
Jan 28 11:17:43 node1 pingd: [6004]: WARN: ping_write: Wrote -1 of 39 chars:
Network is unreachable (101



On 1 February 2011 09:35, paul harford <harfordmeister at gmail.com> wrote:

> Hi NIkita
> Many thanks for your assistance, i updated the changes you noticed but now
> my 2 nodes just keep rebooting, did i enter something incorrectly in the
> pingd directive ?
>
> Paul
>
>
> i can see these errors in the messages log and my configuration is below
>
> Feb  1 09:01:06 crhnode2 pengine: [4103]: notice: clone_print:  Clone Set:
> connected
> Feb  1 09:01:06 crhnode2 pengine: [4103]: notice: short_print:
> Stopped: [ pingd:0 pingd:1 ]
> Feb  1 09:01:06 crhnode2 pengine: [4103]: info: rsc_merge_weights:
> failoverip: Rolling back scores from crhweb
> Feb  1 09:01:06 crhnode2 pengine: [4103]: info: native_color: Resource
> crhweb cannot run anywhere
> Feb  1 09:01:06 crhnode2 pengine: [4103]: notice: RecurringOp:  Start
> recurring monitor (10s) for pingd:0 on crhnode2
> Feb  1 09:01:06 crhnode2 pengine: [4103]: ERROR: is_op_dup: Operation
> pingd-monitor-5s-0 is a duplicate of pingd-monitor-5s
> Feb  1 09:01:06 crhnode2 pengine: [4103]: ERROR: is_op_dup: Do not use the
> same (name, interval) combination more than once per resource
> Feb  1 09:01:06 crhnode2 pengine: [4103]: ERROR: is_op_dup: Operation
> pingd-monitor-5s-0 is a duplicate of pingd-monitor-5s
> Feb  1 09:01:06 crhnode2 pengine: [4103]: ERROR: is_op_dup: Do not use the
> same (name, interval) combination more than once per resource
> Feb  1 09:01:06 crhnode2 pengine: [4103]: notice: RecurringOp:  Start
> recurring monitor (10s) for pingd:1 on crhnode1
> Feb  1 09:01:06 crhnode2 pengine: [4103]: ERROR: is_op_dup: Operation
> pingd-monitor-5s-0 is a duplicate of pingd-monitor-5s
> Feb  1 09:01:06 crhnode2 pengine: [4103]: ERROR: is_op_dup: Do not use the
> same (name, interval) combination more than once per resource
> Feb  1 09:01:06 crhnode2 pengine: [4103]: ERROR: is_op_dup: Operation
> pingd-monitor-5s-0 is a duplicate of pingd-monitor-5s
> Feb  1 09:01:06 crhnode2 pengine: [4103]: ERROR: is_op_dup: Do not use the
> same (name, interval) combination more than once per resource
> Feb  1 09:01:06 crhnode2 pengine: [4103]: notice: LogActions: Leave
> resource failoverip (Started crhnode1)
> Feb  1 09:01:06 crhnode2 pengine: [4103]: notice: LogActions: Stop resource
> crhweb      (crhnode1)
> Feb  1 09:01:06 crhnode2 pengine: [4103]: notice: LogActions: Start
> pingd:0     (crhnode2)
> Feb  1 09:01:06 crhnode2 pengine: [4103]: notice: LogActions: Start
> pingd:1     (crhnode1)
> Feb  1 09:01:06 crhnode2 crmd: [3742]: info: do_state_transition: State
> transition S_POLICY_ENGINE -> S_TRANSITION_ENGINE [ input=I_PE_SUCCESS
> cause=C_IPC_MESSAGE origin=handle_response ]
> Feb  1 09:01:06 crhnode2 pengine: [4103]: info: process_pe_message:
> Transition 59: PEngine Input stored in: /var/lib/pengine/pe-input-82.bz2
> Feb  1 09:01:06 crhnode2 crmd: [3742]: info: unpack_graph: Unpacked
> transition 59: 14 actions in 14 synapses
> Feb  1 09:01:06 crhnode2 pengine: [4103]: info: process_pe_message:
> Configuration ERRORs found during PE processing.  Please run "crm_verify -L"
> to identify issues.
>
>
>
> here is my current configuration
>
>
> node $id="271808bb-ed74-4eaa-8c94-bf32a00074dd" crhnode1 \
>         attributes standby="off"
> node $id="59440607-2a5c-450e-84fa-94bf69742671" crhnode2 \
>         attributes standby="off"
> primitive crhweb ocf:heartbeat:apache \
>
>         params configfile="/etc/httpd/conf/httpd.conf" \
>         op monitor interval="60s" \
>         meta target-role="Started"
> primitive failoverip ocf:heartbeat:IPaddr \
>         params ip="10.100.1.100" cidr_netmask="255.255.0.0" \
>         op monitor interval="30s" \
>         meta target-role="Started"
> primitive pingd ocf:pacemaker:pingd \
>         params dampen="5s" host_list="10.100.0.254" multiplier="1000"
> name="pingval" \
>         operations $id="pingd-operations" \
>         op monitor interval="10s" timeout="20s" \
>         op monitor interval="90s" timeout="25s" start \
>         op monitor interval="100s" timeout="25s" stop
> clone connected pingd \
>
>         meta globally-unique="false" target-role="started"
> location cli-prefer-crhweb crhweb \
>
>         rule $id="cli-prefer-rule-crhweb" inf: #uname eq crhnode1
> location crhweb_on_connected_node crhweb \
>         rule $id="crhweb_on_connected_node-rule" -inf: not_defined pingval
> or pingval lte 0
>
> location prefer-crhnode1 crhweb 50: crhnode1
> colocation crhweb-with-failoverip inf: crhweb failoverip
> order crhweb-after-failoverip inf: pingd failoverip crhweb
>
> property $id="cib-bootstrap-options" \
>         dc-version="1.0.10-da7075976b5ff0bee71074385f8fd02f296ec8a3" \
>         cluster-infrastructure="Heartbeat" \
>         stonith-enabled="false" \
>         no-quorum-policy="ignore"
>
>
>
> On 1 February 2011 07:21, Nikita Michalko <michalko.system at a-i-p.com>wrote:
>
>> Hi Paul,
>>
>> see below!
>>
>> Am Montag, 31. Januar 2011 19:55 schrieb paul harford:
>> > HI guys
>> > i'm having some issues with a ping directive, my current config is below
>> > and basically i want the web resource to failover to the second node if
>> the
>> > ping can no longer contact the default gateway
>> >
>> > so here goes
>> >
>> > crm configure primitive ping ocf:pacemaker:ping params dampen=5s
>> > host_list=(default GateWay) multplier=1000 name=pingval operations
>> > $id=ping-operations op moinitor interval=10s timeout=15s
>>
>>  - this is surely wrong: "moinitor" ?
>>  - no such primitive (ping) below ...
>>
>> HTH
>>
>> Nikita Michalko
>>
>>
>> >
>> > and
>> >
>> > crm configure clone connected ping meta globally-unique=false
>> > target-role=started
>> >
>> > and
>> >
>> > location web_on_connected_node cweb rule $id=web_on_connected_node-rule
>> > -inf: not_defined pingval or pingval lte 0
>> >
>> >
>> > Does anyone see any isssues's whith the above confiuguration ? i want to
>> > check first as the last time i tried it wouldn't work and my resources
>> > would not failover or start
>> >
>> >
>> >
>> >
>> > node $id="271808bb-ed74-4eaa-8c94-bf32a00074dd" crhnode1 \
>> >         attributes standby="off"
>> > node $id="59440607-2a5c-450e-84fa-94bf69742671" crhnode2 \
>> >         attributes standby="off"
>> > primitive cweb ocf:heartbeat:apache \
>> >         params configfile="/etc/httpd/conf/httpd.conf" \
>> >         op monitor interval="60s" \
>> >         meta target-role="Started"
>> > primitive failoverip ocf:heartbeat:IPaddr \
>> >         params ip="10.100.1.100" cidr_netmask="255.255.0.0" \
>> >         op monitor interval="30s" \
>> >         meta target-role="Started"
>> > location cli-prefer-cweb cweb \
>> >         rule $id="cli-prefer-rule-crhweb" inf: #uname eq crhnode1
>> > location prefer-crhnode1 crhweb 50: crhnode1
>> > colocation cweb-with-failoverip inf: cweb failoverip
>> > order crhweb-after-failoverip inf: failoverip cweb
>> > property $id="cib-bootstrap-options" \
>> >         dc-version="1.0.10-da7075976b5ff0bee71074385f8fd02f296ec8a3" \
>> >         cluster-infrastructure="Heartbeat" \
>> >         stonith-enabled="false" \
>> >         no-quorum-policy="ignore"
>> > rsc_defaults $id="rsc-options" \
>> >         resource-stickiness="100"
>>
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>>
>
>
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