On Wed, Aug 15, 2018 at 11:58 AM Stefan K <[email protected]> wrote:
>
> Hello,
>
> what is the 'best' 2-node cluster config?
There is no such thing :) Besides, your example does not include any
resource which means it does nothing useful.
> What I want, if it run on nodeA and nodeA goes in standby or shut down,
> everything must start at nodeB,
This requires working fencing (STONITH) to avoid split brain. Your
configuration requires STONITH but does not define any STONITH
resource so fail-over won't work.
> if nodeA comes back, everything must still run on nodeB.
>
This is controlled by resource configuration, usually stickiness attribute.
> pacemaker looks like:
> have-watchdog=false \
> dc-version=1.1.16-94ff4df \
> cluster-infrastructure=corosync \
> cluster-name=zfs-vmstorage \
> no-quorum-policy=stop \
> stonith-enabled=true \
> last-lrm-refresh=1528814481
> rsc_defaults rsc_defaults-options: \
> resource-stickiness=100
>
> and the corosync.config:
> totem {
> version: 2
> secauth: off
> cluster_name: zfs-vmstorage
> transport: udpu
> rrp_mode: passive
> }
>
> nodelist {
> node {
> ring0_addr: zfs-serv3
> ring1_addr: 192.168.251.1
> nodeid: 1
> }
>
> node {
> ring0_addr: zfs-serv4
> ring1_addr: 192.168.251.2
> nodeid: 2
> }
> }
>
> quorum {
> provider: corosync_votequorum
> two_node: 1
This fakes quorum, meaning no-quorum-policy setting is not really
relevant - cluster will always have quorum, even if one node fails.
> }
>
> logging {
> to_logfile: yes
> logfile: /var/log/corosync/corosync.log
> to_syslog: yes
> }
>
> thanks in advance
> and best regards
> Stefan
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