[Pacemaker] CLVM & Pacemaker & Corosync on Ubuntu Omeiric Server

[Andreas Kurz]

Hello,

On 11/23/2011 03:30 PM, Vadim Bulst wrote:
> Hi list,
> 
> I try to bring up a 3-node cluster running Ubuntu Omeiric. The packages
> I used are all from the Ubuntu-repo: pacemaker 1.1.5, corosync 1.3.0,
> clvm 2.02.66.
> 
> I'm using teamed and bridged interfaces for networking. Every node has
> only one address for cluster management.
> All nodes are connected to a FC-san and see the same volumes. Iptables
> --list shows no rules.
> 
> My problem:
> 
> clvm resource is not coming up and when I commit some changes on
> resources in most cases one node is dying.

there are some constraints missing in your config ... or better, use a
cloned group ... see below ...

And use Corosync 1.4.x with redundant rings and automatic ring recovery
feature enabled.

> 
> crm_mon:
> 
> ============
> Last updated: Wed Nov 23 14:47:58 2011
> Stack: openais
> Current DC: bbzclnode07 - partition with quorum
> Version: 1.1.5-01e86afaaa6d4a8c4836f68df80ababd6ca3902f
> 3 Nodes configured, 3 expected votes
> 2 Resources configured.
> ============
> 
> Online: [ bbzclnode06 bbzclnode04 bbzclnode07 ]
> 
>  Clone Set: dlm-clone [dlm]
>      Started: [ bbzclnode06 bbzclnode07 bbzclnode04 ]
> 
> Failed actions:
>     clvm:0_start_0 (node=bbzclnode06, call=31, rc=1, status=complete):
> unknown error
>     clvm:1_start_0 (node=bbzclnode07, call=5, rc=1, status=complete):
> unknown error
>     clvm:0_start_0 (node=bbzclnode04, call=29, rc=1, status=complete):
> unknown error
> 
> 
> 
> 
> I configured corosync like this:
> 
> totem {
>     version: 2
>     token: 3000
>     token_retransmits_before_loss_const: 10
>     join: 60
>     consensus: 3600
>     vsftype: none
>     max_messages: 20
>     clear_node_high_bit: yes
>      secauth: on
>      threads: 8
>      rrp_mode: none
>      interface {
>         ringnumber: 0
>         bindnetaddr: 192.168.128.0
>         mcastaddr: 226.94.1.1
>         mcastport: 5405
>     }
> }
> amf {
>     mode: disabled
> }
> service {
>      ver:       0
>      name:      pacemaker
> }
> aisexec {
>         user:   root
>         group:  root
> }
> logging {
>         fileline: off
>         to_stderr: yes
>         to_logfile: no
>         to_syslog: yes
>     syslog_facility: daemon
>         debug: off
>         timestamp: on
>         logger_subsys {
>                 subsys: AMF
>                 debug: off
>                 tags: enter|leave|trace1|trace2|trace3|trace4|trace6
>         }
> }
> 
> and my cib looks like this:
> 
> node bbzclnode04
> node bbzclnode06
> node bbzclnode07
> primitive clvm ocf:lvm2:clvmd \
>     params daemon_timeout="30" \
>     meta target-role="started"
> primitive m ocf:pacemaker:controld \
>     meta target-role="started"
> clone clvm-clone clvm \
>     meta clone-max="3" clone-node-max="1"
> clone dlm-clone dlm \
>     meta clone-max="3" clone-node-max="1"

ommit those two clones, use a cloned group:

group g_lock dlm clvm
clone g_lock \
      meta interleave="true"

> property $id="cib-bootstrap-options" \
>     dc-version="1.1.5-01e86afaaa6d4a8c4836f68df80ababd6ca3902f" \
>     cluster-infrastructure="openais" \
>     expected-quorum-votes="3" \
>     no-quorum-policy="ignore" \
>     stonith-enabled="false" \
>     last-lrm-refresh="1322049979"

Don't forget to set up stonith in a productive system when using shared
storage.

Regards,
Andreas

-- 
Need help with Pacemaker?
http://www.hastexo.com/now

> 
> 
> Thanks for your help.
> 
> 
> Cheers,
> 
> Vadim
> 
> 
> 
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> 
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