Hi all,
I'm trying to deploy a CLVM configuration; my VGs will be active on only
1 node at time and I won't use a clustered fs but ext3.
I configured clvmd and dlm in this way:
primitive cluster-dlm ocf:pacemaker:controld op monitor interval="60" \
timeout="60" meta is-managed="true"
primitive cluster-lvm ocf:lvm2:clvmd params daemon_timeout="30" \
meta is-managed="true"
group cluster-base cluster-dlm cluster-lvm meta is-managed="true"
clone cluster-infra cluster-base meta \
interleave="true" is-managed="true"
Suppose now that I want to configure a resource to manage my VG,
something like this:
primitive wfq-lv-rs ocf:heartbeat:LVM params \
volgrpname="WFQ_vg" exclusive="yes" op start interval="0" \
op monitor interval="120s" timeout="60s" op stop \
interval="0" timeout="30s" meta is-managed="true"
I think that my LVM resource should be someway dependant from
cluster-infra; in my opinion the following "dependencies" should be honored:
1. the resource who manage the VG, wfq-lv-rs, must be started only after
the resource who manage the CLVM
2. because the resource who manage the CLVM is inside a clone resource
and will be started in all nodes, the wfq-lv-rs must be started only in
a node who has the clone resource containing the CLVM resource online.
If the above assumptions are correct, how is it possible to manage this
in pacemaker?
Thank you,
Alberto
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