Hi all.
We have one cluster that has 9 nodes and 20 resources.
Four of those hosts are PSIP-SRV01-active, PSIP-SRV01-passive,
PSIP-SRV02-active and PSIP-SRV02-active.
They should provide an lsb:opensips service, 2 by 2:
. The SRV01-opensips and SRV01-IP resources should be active on one of
PSIP-SRV01-active or PSIP-SRV01-passive;
. The SRV02-opensips and SRV02-IP resources should be active on one of
PSIP-SRV02-active or PSIP-SRV02-passive.
The relevant configuration is the following:
Resources:
Resource: SRV01-IP (class=ocf provider=heartbeat type=IPaddr2)
Attributes: ip=10.0.0.1 cidr_netmask=27
Meta Attrs: target-role=Started
Operations: monitor interval=8s (SRV01-IP-monitor-8s)
Resource: SRV01-opensips (class=lsb type=opensips)
Operations: monitor interval=8s (SRV01-opensips-monitor-8s)
Resource: SRV02-IP (class=ocf provider=heartbeat type=IPaddr2)
Attributes: ip=10.0.0.2 cidr_netmask=27
Operations: monitor interval=8s (SRV02-IP-monitor-8s)
Resource: SRV02-opensips (class=lsb type=opensips)
Operations: monitor interval=30 (SRV02-opensips-monitor-30)
Location Constraints:
Resource: SRV01-opensips
Enabled on: PSIP-SRV01-active (score:100) (id:prefer1-srv01-active)
Enabled on: PSIP-SRV01-passive (score:99) (id:prefer3-srv01-active)
Resource: SRV01-IP
Enabled on: PSIP-SRV01-active (score:100) (id:prefer-SRV01-ACTIVE)
Enabled on: PSIP-SRV01-passive (score:99) (id:prefer-SRV01-PASSIVE)
Resource: SRV02-IP
Enabled on: PSIP-SRV02-active (score:100) (id:prefer-SRV02-ACTIVE)
Enabled on: PSIP-SRV02-passive (score:99) (id:prefer-SRV02-PASSIVE)
Resource: SRV02-opensips
Enabled on: PSIP-SRV02-active (score:100) (id:prefer-SRV02-ACTIVE)
Enabled on: PSIP-SRV02-passive (score:99) (id:prefer-SRV02-PASSIVE)
Ordering Constraints:
SRV01-IP then SRV01-opensips (score:INFINITY) (id:SRV01-opensips-after-ip)
SRV02-IP then SRV02-opensips (score:INFINITY) (id:SRV02-opensips-after-ip)
Colocation Constraints:
SRV01-opensips with SRV01-IP (score:INFINITY) (id:SRV01-opensips-with-ip)
SRV02-opensips with SRV02-IP (score:INFINITY) (id:SRV02-opensips-with-ip)
Cluster Properties:
cluster-infrastructure: cman
.
symmetric-cluster: false
Everything works fine, until the moment that one of those nodes is rebooted.
In the last case the problem occurred with a reboot of PSIP-SRV01-passive,
that wasn't providing the service at that moment.
To be noted that all opensips nodes had the opensips service to be started on
boot by initd, which was removed in the meanwhile.
The problem is that the service SRV01-opensips is detected to be started on
both PSIP-SRV01-active and PSIP-SRV01-passive, and the SRV02-opensips is
detected to be started on both PSIP-SRV01-active and PSIP-SRV02-active.
After that and several operations done by the cluster, which include actions
to stop both SRV01-opensips on both PSIP-SRV01-active and PSIP-SRV01-passive,
and to stop SRV02-opensips on PSIP-SRV01-active and PSIP-SRV02-active, which
fail on PSIP-SRV01-passive, the resource SRV01-opensips becomes unmanaged.
Any ideas on how to fix this?
Nuno Pereira
G9Telecom
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