[Pacemaker] ping directive configuration
Nikita Michalko
michalko.system at a-i-p.com
Tue Feb 1 12:04:37 UTC 2011
Hi Paul!
Can you show me your ha.cf?
How many network interfaces do you use for this cluster?
If only one, it is the typical split-brain situation after cable pull down!
Nikita
Am Dienstag, 1. Februar 2011 12:05 schrieb paul harford:
> 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"
> >>
> >> _______________________________________________
> >> 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=Pacemake
> >>r
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