[ClusterLabs] resource-stickiness

Andrew Beekhof andrew at beekhof.net
Wed Aug 26 22:20:34 UTC 2015


> On 26 Aug 2015, at 10:09 pm, Rakovec Jost <Jost.Rakovec at snt.si> wrote:
> 
> Sorry  one typo: problem is the same....
> 
> 
> location cli-prefer-aapche aapche role=Started 10: sles2

Change the name of your constraint.
The 'cli-prefer-’ prefix is reserved for “temporary” constraints created by the command line tools (which therefor feel entitled to delete them as necessary).

> 
> to:
> 
> location cli-prefer-aapche aapche role=Started inf: sles2 
> 
> 
> It keep change to infinity. 
> 
> 
> 
> my configuration is:
> 
> node sles1 
> node sles2 
> primitive filesystem Filesystem \ 
>        params fstype=ext3 directory="/srv/www/vhosts" device="/dev/xvdd1" \ 
>        op start interval=0 timeout=60 \ 
>        op stop interval=0 timeout=60 \ 
>        op monitor interval=20 timeout=40 
> primitive myip IPaddr2 \ 
>        params ip=x.x.x.x \ 
>        op start interval=0 timeout=20s \ 
>        op stop interval=0 timeout=20s \ 
>        op monitor interval=10s timeout=20s 
> primitive stonith_sbd stonith:external/sbd \ 
>        params pcmk_delay_max=30 
> primitive web apache \ 
>        params configfile="/etc/apache2/httpd.conf" \ 
>        op start interval=0 timeout=40s \ 
>        op stop interval=0 timeout=60s \ 
>        op monitor interval=10 timeout=20s 
> group aapche filesystem myip web \ 
>        meta target-role=Started is-managed=true resource-stickiness=1000 
> location cli-prefer-aapche aapche role=Started 10: sles2 
> property cib-bootstrap-options: \ 
>        stonith-enabled=true \ 
>        no-quorum-policy=ignore \ 
>        placement-strategy=balanced \ 
>        expected-quorum-votes=2 \ 
>        dc-version=1.1.12-f47ea56 \ 
>        cluster-infrastructure="classic openais (with plugin)" \ 
>        last-lrm-refresh=1440502955 \ 
>        stonith-timeout=40s 
> rsc_defaults rsc-options: \ 
>        resource-stickiness=1000 \ 
>        migration-threshold=3 
> op_defaults op-options: \ 
>        timeout=600 \ 
>        record-pending=true 
> 
> 
> 
> and after migration:
> 
> 
> node sles1 
> node sles2 
> primitive filesystem Filesystem \ 
>        params fstype=ext3 directory="/srv/www/vhosts" device="/dev/xvdd1" \ 
>        op start interval=0 timeout=60 \ 
>        op stop interval=0 timeout=60 \ 
>        op monitor interval=20 timeout=40 
> primitive myip IPaddr2 \ 
>        params ip=10.9.131.86 \ 
>        op start interval=0 timeout=20s \ 
>        op stop interval=0 timeout=20s \ 
>        op monitor interval=10s timeout=20s 
> primitive stonith_sbd stonith:external/sbd \ 
>        params pcmk_delay_max=30 
> primitive web apache \ 
>        params configfile="/etc/apache2/httpd.conf" \ 
>        op start interval=0 timeout=40s \ 
>        op stop interval=0 timeout=60s \ 
>        op monitor interval=10 timeout=20s 
> group aapche filesystem myip web \ 
>        meta target-role=Started is-managed=true resource-stickiness=1000 
> location cli-prefer-aapche aapche role=Started inf: sles2 
> property cib-bootstrap-options: \ 
>        stonith-enabled=true \ 
>        no-quorum-policy=ignore \ 
>        placement-strategy=balanced \ 
>        expected-quorum-votes=2 \ 
>        dc-version=1.1.12-f47ea56 \ 
>        cluster-infrastructure="classic openais (with plugin)" \ 
>        last-lrm-refresh=1440502955 \ 
>        stonith-timeout=40s 
> rsc_defaults rsc-options: \ 
>        resource-stickiness=1000 \ 
>        migration-threshold=3 
> op_defaults op-options: \ 
>        timeout=600 \ 
>        record-pending=true
> 
> 
> From: Rakovec Jost
> Sent: Wednesday, August 26, 2015 1:33 PM
> To: users at clusterlabs.org
> Subject: resource-stickiness
>  
> Hi list,
> 
> 
> I have configure simple cluster on sles 11 sp4 and have a problem with “auto_failover off". The problem is that when ever I migrate resource group via HAWK my configuration change from:
> 
> location cli-prefer-aapche aapche role=Started 10: sles2
> 
> to:
> 
> location cli-ban-aapche-on-sles1 aapche role=Started -inf: sles1
> 
> 
> It keep change to inf. 
> 
> 
> and then after fance node, resource is moving back to original node which I don't want. How can I avoid this situation?
> 
> my configuration is:
> 
> node sles1 
> node sles2 
> primitive filesystem Filesystem \ 
>        params fstype=ext3 directory="/srv/www/vhosts" device="/dev/xvdd1" \ 
>        op start interval=0 timeout=60 \ 
>        op stop interval=0 timeout=60 \ 
>        op monitor interval=20 timeout=40 
> primitive myip IPaddr2 \ 
>        params ip=x.x.x.x \ 
>        op start interval=0 timeout=20s \ 
>        op stop interval=0 timeout=20s \ 
>        op monitor interval=10s timeout=20s 
> primitive stonith_sbd stonith:external/sbd \ 
>        params pcmk_delay_max=30 
> primitive web apache \ 
>        params configfile="/etc/apache2/httpd.conf" \ 
>        op start interval=0 timeout=40s \ 
>        op stop interval=0 timeout=60s \ 
>        op monitor interval=10 timeout=20s 
> group aapche filesystem myip web \ 
>        meta target-role=Started is-managed=true resource-stickiness=1000 
> location cli-prefer-aapche aapche role=Started 10: sles2 
> property cib-bootstrap-options: \ 
>        stonith-enabled=true \ 
>        no-quorum-policy=ignore \ 
>        placement-strategy=balanced \ 
>        expected-quorum-votes=2 \ 
>        dc-version=1.1.12-f47ea56 \ 
>        cluster-infrastructure="classic openais (with plugin)" \ 
>        last-lrm-refresh=1440502955 \ 
>        stonith-timeout=40s 
> rsc_defaults rsc-options: \ 
>        resource-stickiness=1000 \ 
>        migration-threshold=3 
> op_defaults op-options: \ 
>        timeout=600 \ 
>        record-pending=true 
> 
> 
> 
> and after migration:
> 
> node sles1 
> node sles2 
> primitive filesystem Filesystem \ 
>        params fstype=ext3 directory="/srv/www/vhosts" device="/dev/xvdd1" \ 
>        op start interval=0 timeout=60 \ 
>        op stop interval=0 timeout=60 \ 
>        op monitor interval=20 timeout=40 
> primitive myip IPaddr2 \ 
>        params ip=10.9.131.86 \ 
>        op start interval=0 timeout=20s \ 
>        op stop interval=0 timeout=20s \ 
>        op monitor interval=10s timeout=20s 
> primitive stonith_sbd stonith:external/sbd \ 
>        params pcmk_delay_max=30 
> primitive web apache \ 
>        params configfile="/etc/apache2/httpd.conf" \ 
>        op start interval=0 timeout=40s \ 
>        op stop interval=0 timeout=60s \ 
>        op monitor interval=10 timeout=20s 
> group aapche filesystem myip web \ 
>        meta target-role=Started is-managed=true resource-stickiness=1000 
> location cli-ban-aapche-on-sles1 aapche role=Started -inf: sles1 
> location cli-prefer-aapche aapche role=Started 10: sles2 
> property cib-bootstrap-options: \ 
>        stonith-enabled=true \ 
>        no-quorum-policy=ignore \ 
>        placement-strategy=balanced \ 
>        expected-quorum-votes=2 \ 
>        dc-version=1.1.12-f47ea56 \ 
>        cluster-infrastructure="classic openais (with plugin)" \ 
>        last-lrm-refresh=1440502955 \ 
>        stonith-timeout=40s 
> rsc_defaults rsc-options: \ 
>        resource-stickiness=1000 \ 
>        migration-threshold=3 
> op_defaults op-options: \ 
>        timeout=600 \ 
>        record-pending=true
> 
> 
> 
> 
> thanks
> 
> Best Regards
> 
> Jost
> 
> 
> 
> 
> 
> 
> 
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