[ClusterLabs] glusterfs 2 active primitives after reboot

lukas lukas.kostyan at gmail.com
Sun May 3 12:29:58 EDT 2015


No, I am actually using the ocf:heartbeat:apache scripts.

On 2015-05-03 17:56, Vladislav Bogdanov wrote:
> 03.05.2015 15:06:40 GMT+03:00, lukas <lukas.kostyan at gmail.com> wrote:
>> Hi,
>>
>> i am testing a Debian-Wheezy cluster with corosync 1.4.2 and pacamaker
>> 1.1.7. On the cluster glusterfs is used
>> as storage (replicated) which is mounted to the webservers root
>> directory. To test the down time ping is used.
>> Lets assume node1 fails. There is no problem and virtually no
>> interruption during change of one cl_IP instance
>> on node2 (both run on node2). If node1 fails node2 restarts node1 with
>> stonith. But as soon as node1 is back
>> online again all apache and IP instances stop and start again. This is
>> where the interruption happens which is
>> around 5seconds. Is this behaviour to be expected? I thought the
>> instances running on node2 shouldnt stop at
>> all when node1 gets back online again.
>>
>> I guess it has something to do with the primitive active on both nodes
>> (see below)? Why is the
>> primitive p_apache started on the failed node?
>>
>> The CIB looks as follows:
>> node vm-1 \
>>          attributes standby="off"
>> node vm-2 \
>>          attributes standby="off"
>> primitive IP ocf:heartbeat:IPaddr2 \
>>          params ip="192.168.122.200" nic="eth0"
>> clusterip_hash="sourceip-sourceport" \
>>          op monitor interval="10s"
>> primitive p_apache ocf:heartbeat:apache \
>>          params configfile="/etc/apache2/apache2.conf"
>> statusurl="http://localhost/server-status" \
>>          op monitor interval="60" timeout="20" \
>>          op start interval="0" timeout="40s" start-delay="0" \
>>          meta is-managed="true"
>> primitive p_fence_N1 stonith:external/libvirt \
>>          params hostlist="vm-1:N1"
>> hypervisor_uri="qemu+tcp://192.168.122.1/system"
>> pcmk_reboot_action="reboot" \
>>          op monitor interval="60"
>> primitive p_fence_N2 stonith:external/libvirt \
>>          params hostlist="vm-2:N2"
>> hypervisor_uri="qemu+tcp://192.168.122.1/system"
>> pcmk_reboot_action="reboot" \
>>          op monitor interval="60"
>> primitive p_gluster_mnt ocf:heartbeat:Filesystem \
>>          params device="localhost:/gvolrep" directory="/var/www/html"
>> fstype="glusterfs" \
>>          op monitor interval="10"
>> primitive p_glusterd ocf:glusterfs:glusterd \
>>          op monitor interval="30"
>> primitive p_volume_gluster ocf:glusterfs:volume \
>>          params volname="gvolrep" \
>>          op monitor interval="10"
>> clone cl_IP IP \
>>          meta globally-unique="true" clone-max="2" clone-node-max="2"
>> interleave="true" \
>>          params resource-stickiness="0"
>> clone cl_apache p_apache \
>>          meta globally-unique="true" target-role="Started"
>> clone cl_gluster_mnt p_gluster_mnt \
>>          meta globally-unique="true" interleave="true"
>> target-role="Started"
>> clone cl_glusterd p_glusterd \
>>          meta interleave="true"
>> clone cl_glustervol p_volume_gluster \
>>          meta interleave="true"
>> location l_fence_N1 p_fence_N1 -inf: vm-1
>> location l_fence_N2 p_fence_N2 -inf: vm-2
>> colocation apache-with-ip inf: cl_apache cl_IP
>> colocation c_apache_gluster inf: cl_apache cl_gluster_mnt
>> colocation c_gluster_mnt_with_apache inf: cl_gluster_mnt cl_apache
>> colocation c_glusterd_with_glustervol inf: cl_glusterd cl_glustervol
>> colocation c_glustervol_with_gluster_mnt inf: cl_glustervol
>> cl_gluster_mnt
>> order o_apacher_after_mnt inf: cl_gluster_mnt cl_apache
>> order o_gluster inf: cl_glusterd cl_glustervol cl_gluster_mnt cl_apache
>>
>> cl_IP
>> property $id="cib-bootstrap-options" \
>>          dc-version="1.1.7-ee0730e13d124c3d58f00016c3376a1de5323cff" \
>>          cluster-infrastructure="openais" \
>>          expected-quorum-votes="2" \
>>          stonith-enabled="true" \
>>          no-quorum-policy="ignore" \
>>          last-lrm-refresh="1430571170" \
>>          default-resource-stickiness="100"
>> op_defaults $id="op-options" \
>>          timeout="240s"
>> ################################################
>> root at vm-2:~# tail -f /var/log/corosync.log | grep ERROR
>> May 03 13:38:14 vm-2 pengine: [3285]: ERROR: native_create_actions:
>> Resource p_apache:1 (ocf::apache) is active on 2 nodes attempting
>> recovery
>> May 03 13:38:14 vm-2 pengine: [3285]: ERROR: process_pe_message:
>> Transition 30: ERRORs found during PE processing. PEngine Input stored
>> in: /var/lib/pengine/pe-error-0.bz2
>>
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> Do you have apache started by init scripts?
>
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