[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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