[Pacemaker] understanding scores

Andrew Beekhof andrew at beekhof.net
Mon Nov 15 07:07:14 UTC 2010


On Fri, Nov 12, 2010 at 7:54 PM, Pavlos Parissis
<pavlos.parissis at gmail.com> wrote:
> Hi,
>
> I am trying to understand how the scores are calculated based on the
> output of ptest -sL and I have few questions
> Below is my scores with a  line number column and the bottom you will
> find my configuration
>
> So, let's start
>
> 1 group_color: pbx_service_01 allocation score on node-01: 200
>  2 group_color: pbx_service_01 allocation score on node-03: 10
>  3 group_color: ip_01 allocation score on node-01: 1200
>  4 group_color: ip_01 allocation score on node-03: 10
> so for so good, ip_01 has 1000 due to resource-stickiness="1000" plus
> 200 from the group location constraint
>
>  5 group_color: fs_01 allocation score on node-01: 1000
>  6 group_color: fs_01 allocation score on node-03: 0
>  7 group_color: pbx_01 allocation score on node-01: 1000
>  8 group_color: pbx_01 allocation score on node-03: 0
>  9 group_color: sshd_01 allocation score on node-01: 1000
>  10 group_color: sshd_01 allocation score on node-03: 0
>  11 group_color: mailAlert-01 allocation score on node-01: 1000
>  12 group_color: mailAlert-01 allocation score on node-03: 0
> hold on now, why all the above resources have 1000 on node-01 and not
> 1200 as fs_01

its only applied to ip_01, the rest inherit it from there

>
>  13 native_color: ip_01 allocation score on node-01: 5200
> 5 resources x 1000 from resource-stickiness="1000" plus, right? what
> is the difference between in native and group?

Many things, can you be specific?

>
>  14 native_color: ip_01 allocation score on node-03: 10
>  15 clone_color: ms-drbd_01 allocation score on node-01: 4100
> why 4100?

probably the promotion score

>
>  16 clone_color: ms-drbd_01 allocation score on node-03: -1000000
> I guess this comes out from the colocation constraint

thats usually the reason

>
>  17 clone_color: drbd_01:0 allocation score on node-01: 11100
> i am lost now so I will stop here :-)
>
>  18 clone_color: drbd_01:0 allocation score on node-03: 0
>  19 clone_color: drbd_01:1 allocation score on node-01: 100
>  20 clone_color: drbd_01:1 allocation score on node-03: 11000
>  21 native_color: drbd_01:0 allocation score on node-01: 11100
>  22 native_color: drbd_01:0 allocation score on node-03: 0
>  23 native_color: drbd_01:1 allocation score on node-01: -1000000
>  24 native_color: drbd_01:1 allocation score on node-03: 11000
>  25 drbd_01:0 promotion score on node-01: 18100
>  26 drbd_01:1 promotion score on node-03: -1000000
>  27 native_color: fs_01 allocation score on node-01: 15100
>  28 native_color: fs_01 allocation score on node-03: -1000000
>  29 native_color: pbx_01 allocation score on node-01: 3000
>  30 native_color: pbx_01 allocation score on node-03: -1000000
>  31 native_color: sshd_01 allocation score on node-01: 2000
>  32 native_color: sshd_01 allocation score on node-03: -1000000
>  33 native_color: mailAlert-01 allocation score on node-01: 1000
>  34 native_color: mailAlert-01 allocation score on node-03: -1000000
>  35 group_color: pbx_service_02 allocation score on node-02: 200
>  36 group_color: pbx_service_02 allocation score on node-03: 10
>  37 group_color: ip_02 allocation score on node-02: 1200
>  38 group_color: ip_02 allocation score on node-03: 10
>  39 group_color: fs_02 allocation score on node-02: 1000
>  40 group_color: fs_02 allocation score on node-03: 0
>  41 group_color: pbx_02 allocation score on node-02: 1000
>  42 group_color: pbx_02 allocation score on node-03: 0
>  43 group_color: sshd_02 allocation score on node-02: 1000
>  44 group_color: sshd_02 allocation score on node-03: 0
>  45 group_color: mailAlert-02 allocation score on node-02: 1000
>  46 group_color: mailAlert-02 allocation score on node-03: 0
>  47 native_color: ip_02 allocation score on node-02: 5200
>  48 native_color: ip_02 allocation score on node-03: 10
>  49 clone_color: ms-drbd_02 allocation score on node-02: 4100
>  50 clone_color: ms-drbd_02 allocation score on node-03: -1000000
>  51 clone_color: drbd_02:0 allocation score on node-02: 11100
>  52 clone_color: drbd_02:0 allocation score on node-03: 0
>  53 clone_color: drbd_02:1 allocation score on node-02: 100
>  54 clone_color: drbd_02:1 allocation score on node-03: 11000
>  55 native_color: drbd_02:0 allocation score on node-02: 11100
>  56 native_color: drbd_02:0 allocation score on node-03: 0
>  57 native_color: drbd_02:1 allocation score on node-02: -1000000
>  58 native_color: drbd_02:1 allocation score on node-03: 11000
>  59 drbd_02:0 promotion score on node-02: 18100
>  60 drbd_02:2 promotion score on none: 0
>  61 drbd_02:1 promotion score on node-03: -1000000
>  62 native_color: fs_02 allocation score on node-02: 15100
>  63 native_color: fs_02 allocation score on node-03: -1000000
>  64 native_color: pbx_02 allocation score on node-02: 3000
>  65 native_color: pbx_02 allocation score on node-03: -1000000
>  66 native_color: sshd_02 allocation score on node-02: 2000
>  67 native_color: sshd_02 allocation score on node-03: -1000000
>  68 native_color: mailAlert-02 allocation score on node-02: 1000
>  69 native_color: mailAlert-02 allocation score on node-03: -1000000
>  70 drbd_01:0 promotion score on node-01: 1000000
>  71 drbd_01:1 promotion score on node-03: -1000000
>  72 drbd_02:0 promotion score on node-02: 1000000
>  73 drbd_02:2 promotion score on none: 0
>  74 drbd_02:1 promotion score on node-03: -1000000
>  75 native_color: pdu allocation score on node-03: -1000000
>  76 native_color: pdu allocation score on node-02: -1000000
>  77 native_color: pdu allocation score on node-01: -1000000
>
> node $id="059313ce-c6aa-4bd5-a4fb-4b781de6d98f" node-03
> node $id="d791b1f5-9522-4c84-a66f-cd3d4e476b38" node-02
> node $id="e388e797-21f4-4bbe-a588-93d12964b4d7" node-01 \
>        attributes standby="off"
> primitive drbd_01 ocf:linbit:drbd \
>        params drbd_resource="drbd_resource_01" \
>        op monitor interval="30s" \
>        op start interval="0" timeout="240s" \
>        op stop interval="0" timeout="120s"
> primitive drbd_02 ocf:linbit:drbd \
>        params drbd_resource="drbd_resource_02" \
>        op monitor interval="30s" \
>        op start interval="0" timeout="240s" \
>        op stop interval="0" timeout="120s"
> primitive fs_01 ocf:heartbeat:Filesystem \
>        params device="/dev/drbd1" directory="/pbx_service_01" fstype="ext3" \
>        meta migration-threshold="3" failure-timeout="60" is-managed="true" \
>        op monitor interval="20s" timeout="40s" OCF_CHECK_LEVEL="20" \
>        op start interval="0" timeout="60s" \
>        op stop interval="0" timeout="60s"
> primitive fs_02 ocf:heartbeat:Filesystem \
>        params device="/dev/drbd2" directory="/pbx_service_02" fstype="ext3" \
>        meta migration-threshold="3" failure-timeout="60" \
>        op monitor interval="20s" timeout="40s" OCF_CHECK_LEVEL="20" \
>        op start interval="0" timeout="60s" \
>        op stop interval="0" timeout="60s"
> primitive ip_01 ocf:heartbeat:IPaddr2 \
>        params ip="192.168.78.10" nic="eth3" cidr_netmask="24"
> broadcast="192.168.78.255" \
>        meta failure-timeout="120" migration-threshold="3" \
>        op monitor interval="5s"
> primitive ip_02 ocf:heartbeat:IPaddr2 \
>        meta failure-timeout="120" migration-threshold="3" \
>        params ip="192.168.78.20" nic="eth3" cidr_netmask="24"
> broadcast="192.168.78.255" \
>        op monitor interval="5s"
> primitive mailAlert-01 ocf:heartbeat:MailTo \
>        params email="root" subject="[Zanadoo Clustet event] pbx_service_01" \
>        op monitor interval="2" timeout="10" \
>        op start interval="0" timeout="10" \
>        op stop interval="0" timeout="10"
> primitive mailAlert-02 ocf:heartbeat:MailTo \
>        params email="root" subject="[Zanadoo Clustet event] pbx_service_02" \
>        op monitor interval="2" timeout="10" \
>        op start interval="0" timeout="10" \
>        op stop interval="0" timeout="10"
> primitive pbx_01 lsb:znd-pbx_01 \
>        meta migration-threshold="3" failure-timeout="60" is-managed="true" \
>        op monitor interval="20s" timeout="20s" \
>        op start interval="0" timeout="60s" \
>        op stop interval="0" timeout="60s"
> primitive pbx_02 lsb:znd-pbx_02 \
>        meta migration-threshold="3" failure-timeout="60" \
>        op monitor interval="20s" timeout="20s" \
>        op start interval="0" timeout="60s" \
>        op stop interval="0" timeout="60s"
> primitive pdu stonith:external/rackpdu \
>        params community="empisteftiko"
> names_oid=".1.3.6.1.4.1.318.1.1.4.4.2.1.4"
> oid=".1.3.6.1.4.1.318.1.1.4.4.2.1.3"
> hostlist="node-01,node-02,node-03" pduip="192.168.100.100"
> stonith-timeout="30" \
>        op monitor interval="1m" timeout="60s" \
>        meta target-role="Stopped"
> primitive sshd_01 lsb:znd-sshd-pbx_01 \
>        meta is-managed="true" \
>        op monitor on-fail="stop" interval="10m" \
>        op start interval="0" timeout="60s" on-fail="stop" \
>        op stop interval="0" timeout="60s" on-fail="stop"
> primitive sshd_02 lsb:znd-sshd-pbx_02 \
>        op monitor on-fail="stop" interval="10m" \
>        op start interval="0" timeout="60s" on-fail="stop" \
>        op stop interval="0" timeout="60s" on-fail="stop" \
>        meta target-role="Started"
> group pbx_service_01 ip_01 fs_01 pbx_01 sshd_01 mailAlert-01 \
>        meta target-role="Started"
> group pbx_service_02 ip_02 fs_02 pbx_02 sshd_02 mailAlert-02 \
>        meta target-role="Started"
> ms ms-drbd_01 drbd_01 \
>        meta master-max="1" master-node-max="1" clone-max="2"
> clone-node-max="1" notify="true" target-role="Started"
> is-managed="true"
> ms ms-drbd_02 drbd_02 \
>        meta master-max="1" master-node-max="1" clone-max="2"
> clone-node-max="1" notify="true" target-role="Started"
> is-managed="true"
> location PrimaryNode-drbd_01 ms-drbd_01 100: node-01
> location PrimaryNode-drbd_02 ms-drbd_02 100: node-02
> location PrimaryNode-pbx_service_01 pbx_service_01 200: node-01
> location PrimaryNode-pbx_service_02 pbx_service_02 200: node-02
> location SecondaryNode-drbd_01 ms-drbd_01 0: node-03
> location SecondaryNode-drbd_02 ms-drbd_02 0: node-03
> location SecondaryNode-pbx_service_01 pbx_service_01 10: node-03
> location SecondaryNode-pbx_service_02 pbx_service_02 10: node-03
> location fencing-on-node-01 pdu 1: node-01
> location fencing-on-node-02 pdu 1: node-02
> location fencing-on-node-03 pdu 1: node-03
> colocation fs_01-on-drbd_01 inf: fs_01 ms-drbd_01:Master
> colocation fs_02-on-drbd_02 inf: fs_02 ms-drbd_02:Master
> order pbx_service_01-after-drbd_01 inf: ms-drbd_01:promote pbx_service_01:start
> order pbx_service_02-after-drbd_02 inf: ms-drbd_02:promote pbx_service_02:start
> property $id="cib-bootstrap-options" \
>        dc-version="1.0.9-89bd754939df5150de7cd76835f98fe90851b677" \
>        cluster-infrastructure="Heartbeat" \
>        symmetric-cluster="false" \
>        stonith-enabled="false" \
>        last-lrm-refresh="1289304946"
> rsc_defaults $id="rsc-options" \
>        resource-stickiness="1000"
>
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>




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