trying to
configure the cluster directly from bash instead of doing it in
crm configure.
CRM shell offers this opportunity, that's why many users try to use it.
But, unfortunately, the feature is not uniform with interactive shell.
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Pavel Levshin
? Pacemaker hardly can work
without DC. And STONITH of unexpectedly down node should be much faster,
too. It's not clear from your log excerpts why fencing the node take so
long.
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automatically.
Is this ordering intended behaviour or a bug?
It's pacemaker 1.0.10, corosync 1.2.7. Three-node cluster.
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it, when admin knows that resource cannot exist there.
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to 0: score.
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in ordering constraint is somewhat misleading. The
actual value does not matter; basically, there is only two possible
values: above zero for mandatory constraing and zero or less for
advisory one.
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interval=0 timeout=10
on_fail=nothing. Obvoiusly, it has own deficiencies.
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Getting
from test environment from time to time.
My cluster has survived 4 and failed on 5th real network failure. How
many times should I test?
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18.03.2011 2:52, tariq fillah:
I meen this:
crm configure primitive ping ocf:pacemaker:ping \
op monitor depth=0 timeout=20s interval=10
**
clone pingdClone ping \
meta globally-unique=false target-role=Started
***
crm configure location pingjb ClusterIP \
rule
18.03.2011 17:07, Pavel Levshin:
Imagine a network where connectivity restores for a couple of seconds
then breaks again. A node becomes online, monitoring actions are
directed, then connectivity fails. This node will be unclean offline,
then.
And fencing may fail in this scenario, too
.
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.
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by simply assigning
floating address to the network interface (with arp_ignore/arp_announce
sysctls set properly).
Something alike may be achieved by setting ip_nonlocal_bind, but our way
is more strict.
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not use current IPaddr2
for this service, so things may be different.
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, notably loopback. It should not be dropped in this case.
Resource Agent is supposed to start a service, it should not break
things around here. If the service is already started, you don't need to
stop and start it again in RA.
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Pavel Levshin
a disconnected node without STONITH. You will
need to configure this behaviour explicitly.
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be executed on node C. Currently, it is done through
status section of the CIB. I wish there was a way to do the same via
configuration. Then the cluster could get rid of quirks with unneeded RAs.
Maybe anyone will support my proposal?
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Pavel Levshin //flicker
not
exists on the node? So the cluster don't try to run nonexistent
resources when this is impossible.
What is the right way to avoid cluster split when bonding switches? I
have adjusted 'token' directive in corosync.conf to 5000, is this OK?
Thank you for you time.
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Pavel Levshin //flicker
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