I think I may have found an answer. I had this in my config:
order LDAP-after-IP inf: LDAP-IP LDAP-clone
And, according to the logs, it *looks* like what happens when
genome-ldap1 goes gown, the IP goes over to genome-ldap2, AND THEN tries
to start LDAP there, even though LDAP is already started there because
it is an anonymous clone. LDAP cannot start (because it is already
started) and throws an error exit code, and presumably pacemaker freaks
out because of that and shuts down LDAP on all nodes. Then the floating
IP disappears because of the line:
colocation LDAP-with-IP inf: LDAP-IP LDAP-clone
which is expected at that point. It seems that when I tested this with
older versions of pacemaker, this didn't happen. Should 'order'
statements be avoided entirely when dealing with anonymous clones? Is
that behavior expected?
Thanks,
erich
Erich Weiler wrote:
I tried that (after setting 'property symmetric-cluster="true"'), didn't
seem to make a difference...
Thanks for the suggestion though!
hj lee wrote:
I don't think it's a good idea to put location on clone. The clone is
designed to run equally on every node. Please remove these and see
that helps.
location LDAP-IP-placement-2 LDAP-IP 50: genome-ldap2
location LDAP-placement-1 LDAP-clone 100: genome-ldap1
location LDAP-placement-2 LDAP-clone 100: genome-ldap2
colocation LDAP-with-IP inf: LDAP-IP LDAP-clone
hj
On Mon, Mar 8, 2010 at 1:34 PM, Erich Weiler <wei...@soe.ucsc.edu
<mailto:wei...@soe.ucsc.edu>> wrote:
Hi All,
I have a (hopefully) simple problem that I need to fix, but I feel
like I'm missing a key concept here that is causing problems. I
have 2 nodes, genome-ldap1 and genome-ldap2. Using latest corosync,
pacemaker and openais from the epel and clusterlabs repos, CentOS
5.4.
Both nodes are running OpenLDAP daemons, genome-ldap1 is the primary
and genome-ldap2 is the replication slave. Both services are simple
LSB services, and I want them both active all the time. Here's my
CRM config:
node genome-ldap1
node genome-ldap2
primitive LDAP lsb:ldap \
op monitor interval="10s" timeout="15s" \
meta target-role="Started"
primitive LDAP-IP ocf:heartbeat:IPaddr2 \
params ip="10.1.1.83" nic="eth0" cidr_netmask="16" \
op monitor interval="30s" timeout="20s" \
meta target-role="Started"
clone LDAP-clone LDAP \
meta clone-max="2" clone-node-max="1" globally-unique="false"
location LDAP-IP-placement-1 LDAP-IP 100: genome-ldap1
location LDAP-IP-placement-2 LDAP-IP 50: genome-ldap2
location LDAP-placement-1 LDAP-clone 100: genome-ldap1
location LDAP-placement-2 LDAP-clone 100: genome-ldap2
colocation LDAP-with-IP inf: LDAP-IP LDAP-clone
order LDAP-after-IP inf: LDAP-IP LDAP-clone
property $id="cib-bootstrap-options" \
dc-version="1.0.7-d3fa20fc76c7947d6de66db7e52526dc6bd7d782" \
cluster-infrastructure="openais" \
expected-quorum-votes="2" \
stonith-enabled="false" \
symmetric-cluster="false" \
no-quorum-policy="ignore" \
last-lrm-refresh="1268024522"
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