Hi all,
We are in the process of changing the OS on the servers used to run the
clusterlabs.org sites. There is an expected outage of all services from
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On Mon, 2024-05-06 at 10:05 -0500, Ken Gaillot wrote:
> On Fri, 2024-05-03 at 16:18 +0300, ale...@pavlyuts.ru wrote:
> > Hi,
> >
> > > > Thanks great for your suggestion, probably I need to think
> > > > about
> > > > this
> > > &
on. Ideally there would be some way
> > to request
> > the VM to be immediately destroyed (whether via fence_xvm, a cloud
> > provider
> > API, or similar).
> What you mean by "destroyed"? Mean get down?
Correct. For fencing purposes, it should not be a clean shutdo
mind all the above is from my common sense and quite poor
> fundamental knowledge in clustering. And please be so kind to correct
> me if I am wrong at any point.
>
> Sincerely,
>
> Alex
> -Original Message-
> From: Users On Behalf Of Ken Gaillot
> Sent: Thursda
t reply
> May 01 23:30:56 node2 corosync-qdevice[781]: seq = 102
> May 01 23:30:56 node2 corosync-qdevice[781]: vote = ACK
> May 01 23:30:56 node2 corosync-qdevice[781]: ring id = (2.801)
> May 01 23:30:56 node2 corosync-qdevice[781]: Algorithm result vote is
> ACK
> May 01 23:30:56 node2 corosync-qdevice[781]: Cast vote timer remains
> scheduled every 250ms voting ACK.
> >>> Here everything become OK and resource started on Node2
>
> Also, I’ve done wireshark capture and found great mess in TCP, it
> seems like connection between qdevice and qnetd really stops for some
> time and packets won’t deliver.
>
> For my guess, it match corosync syncing activities, and I suspect
> that corosync prevent any other traffic on the interface it use for
> rings.
>
> As I switch qnetd and qdevice to use different interface it seems to
> work fine.
>
> So, the question is: does corosync really temporary blocks any other
> traffic on the interface it uses? Or it is just a coincidence? If it
> blocks, is there a way to manage it?
>
> Thank you for any suggest on that!
>
> Sincerely,
>
> Alex
>
>
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PEN}
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the
agent for the Pacemaker 2.1.8 release and drop it for 3.0.0.
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ttribute expressions for
operation meta-attributes, now is the time to speak up!
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s a valid use case for
this feature, now is the time to speak up!
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ault-sbd-sync generated-
> manpages monotonic nagios ncurses remote systemd
>
> If this is not possible I will have to think of another solution.
>
> Thanks
>
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ssible to force new node with Pacemaker 2.1.6 to use older
> feature-set (3.15.0) for a while until second node is upgraded and is
> able to work with Pacemaker 2.1.6?
No
>
> Thank you very much!
> _Vitaly
>
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er input that causes these messages?
Also, what version are you using, and how did you get it?
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approaches.
It's a longstanding goal to allow more flexibility in failure handling,
but there hasn't been time to deal with it.
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at is what my mind recalls.
>
> I easily get loadavg of 128 on iscsi storage servers with almost free
> CPU, no thermal reaction at all.
>
> Best,
> Vlad
>
> On February 5, 2024 19:22:11 Ken Gaillot wrote:
>
> > On Mon, 2024-02-05 at 18:08 +0800, hywang via Use
able (typically in
/etc/sysconfig/pacemaker, /etc/default/pacemaker, etc. depending on
distro).
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On Thu, 2024-02-01 at 12:57 -0600, Billy Croan wrote:
> How do I figure out which of the three steps failed and why?
They're normal resource actions: migrate_to, migrate_from, and stop.
You can investigate them in the usual way (status, logs).
>
> On Thu, Feb 1, 2024 at 11:15 AM Ke
, by definition the resource must move one way or another.
Also, live migration involves three steps, and if one of them fails,
the resource is in an unknown state, so it must be restarted anyway.
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On Thu, 2024-02-01 at 14:31 +0100, lejeczek via Users wrote:
>
> On 31/01/2024 18:11, Ken Gaillot wrote:
> > On Wed, 2024-01-31 at 16:37 +0100, lejeczek via Users wrote:
> > > On 31/01/2024 16:06, Jehan-Guillaume de Rorthais wrote:
> > > > On Wed, 31 Jan 2024 16
On Wed, 2024-01-31 at 16:37 +0100, lejeczek via Users wrote:
>
> On 31/01/2024 16:06, Jehan-Guillaume de Rorthais wrote:
> > On Wed, 31 Jan 2024 16:02:12 +0100
> > lejeczek via Users wrote:
> >
> > > On 29/01/2024 17:22, Ken Gaillot wrote:
> > > > On
DC election happens quickly once both nodes are up.
That makes sense
> Thanks,
> Chris
>
> From: Users on behalf of Faaland,
> Olaf P. via Users
> Date: Monday, January 29, 2024 at 7:46 PM
> To: Ken Gaillot , Cluster Labs - All topics
> related to open-source clustering
On Mon, 2024-01-29 at 14:35 -0800, Reid Wahl wrote:
>
>
> On Monday, January 29, 2024, Ken Gaillot wrote:
> > On Mon, 2024-01-29 at 18:05 +, Faaland, Olaf P. via Users
> wrote:
> >> Hi,
> >>
> >> I have configured clusters of node pairs, s
;0" dc-uuid="2">
>
>
>
> name="stonith-action" value="off"/>
>
>
> name="cluster-infrastructure" value="corosync"/>
> name="cluster-name" value=&quo
'cib-
> bootstrap-options'] complete=true
> Jan 25 17:56:01 gopher12 pacemaker-controld [116040]
> (controld_execute_fence_action) notice: Requesting fencing (off)
> targeting node gopher11 | action=11 timeout=60
>
>
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sky for a resource agent to modify the configuration.
Finally you could write a systemd unit to do what you want and order it
after pacemaker.
What's wrong with leaving the constraints permanently configured?
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On Thu, 2024-01-25 at 10:31 +0100, Jehan-Guillaume de Rorthais wrote:
> On Wed, 24 Jan 2024 16:47:54 -0600
> Ken Gaillot wrote:
> ...
> > > Erm. Well, as this is a major upgrade where we can affect
> > > people's
> > > conf and
> > > break old
On Tue, 2024-01-23 at 18:49 +0100, Jehan-Guillaume de Rorthais wrote:
> Hi there !
>
> On Wed, 03 Jan 2024 11:06:27 -0600
> Ken Gaillot wrote:
>
> > Hi all,
> >
> > I'd like to release Pacemaker 3.0.0 around the middle of this
> > year.
if they didn't apply to current software and OSes.
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don't understand what type
> of
> elements I should create...
>
>
> Thanks in advance,
>
> Regards, Adam.
>
>
> PS: Bonus question should I use "pcs" or "crm" ? It seems both
> command
> seem to be equivalent and documentations use someti
could blow up though
> so I'm not sure that should play a factor in the decision.
>
> I can't be the first person to go down this path. So what do you all
> think? how have you done it in the past?
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Thanks, I hadn't heard that!
On Thu, 2024-01-04 at 01:13 +0100, Valentin Vidić via Users wrote:
> On Wed, Jan 03, 2024 at 11:06:27AM -0600, Ken Gaillot wrote:
> > I'd like to release Pacemaker 3.0.0 around the middle of this
> > year.
> > I'm gathering proposed changes here:
the changes will be backward-incompatible, we will continue to
make 2.1 releases for a few years, with backports of compatible fixes,
to help distribution packagers who need to keep backward compatibility.
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e
> code/internals)
> thanks, L.
>
Transient attributes are the same as permanent ones except they get
cleared when a node leaves the cluster.
The constraint says that the masters must be located together, but they
each still need to be enabled on a given node with either a master
score attribute (permanent or transient) or a location constraint.
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a
node, the primary resource might move to allow the colocated resource
to run.
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Chris Lumens, Gao,Yan, Grace Chin, Hideo Yamauchi, Jan
Pokorný, Ken Gaillot, liupei, Oyvind Albrigtsen, Reid Wahl, xin liang,
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ClusterLabs
on the first original
> node, not on the node being added? Only corosync, pacemaker and pcsd
> needs to run on the node to be added and the commands being run on
> the original node will speak to these on the new node?
>
> On Tue, 19 Dec 2023, 21:39 Ken Gaillot, wrote:
> > On Tue
de to integrate into the cluster and once done, pcs status shows
> two nodes on-line ?
> Thanks
Yes, you can use pcs cluster setup with the first node, then pcs
cluster node add for each additional node.
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re3
> * OST4(ocf::lustre:Lustre):Stopped
>
> Again lustre3 seems unable to overrule due to lower score and pingd
> DOESN'T help at all!
>
>
> 4) Can I make a reliable HA failover without pingd to keep things as
> simple as possible?
> 5) Pings might help to affect cluster decisions in
your last chance to test before the final release,
which I expect will be next Tuesday.
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should be put in front of lt/gt ? It is
> possible that VM goes down, pingd to not_defined, then the rule
> evaluates "lt 1" first, catches an error and doesn't evaluate next
> part (after OR)?
No, the order of and/or clauses doesn't matter.
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On Mon, 2023-12-11 at 21:05 +0300, Artem wrote:
> Hi Ken,
>
> On Mon, 11 Dec 2023 at 19:00, Ken Gaillot
> wrote:
> > > Question #2) I shut lustre3 VM down and leave it like that
> > How did you shut it down? Outside cluster control, or with
> > someth
(kind:Optional) (id:order-MDT00-OST1-
> Optional)
> start MDT00 then start OST2 (kind:Optional) (id:order-MDT00-OST2-
> Optional)
>
> with regards to ordering constraint: OST1 and OST2 are started now,
> while I'm exercising MDT00 failover.
>
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ot; while lustre3
> doesn't
> All is according to documentation but results are strange.
> Then I tried to add meta target-role="started" to pcs resource create
> ping and this time ping started after node rebooted. Can I expect
> that it was just missing from official setup documentation, and now
> everything will work fine?
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in about two weeks. If anyone needs more time, let me
know and I can delay it till early January.
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timeout is
configured, then it will try once per node then wait for manual
cleanup. If the colocation is made optional or reversed, the other
resources can continue to run.
>
> Any pointers or advice will be much appreciated!
>
> Thank you and kind regards,
>
> Alex Eastwood
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at can be corrected with a new
transition, this will be the maximum time until that happens.
>
> Cheers,
>
> JB
>
> > On Nov 29, 2023, at 18:52, Ken Gaillot wrote:
> >
> > Hi,
> >
> > Something is triggering a new transition. The most likely candida
ey="lustre1_monitor_0" operation="monitor" crm-debug-
> origin="controld_update_resource_history" crm_feature_set="3.17.4"
> transition-key="5:88:7:288b2e10-0bee-498d-b9eb-4bc5f0f8d5bf"
> transition-magic="-1:193;5:88:7:288b2e10-0bee-498d-b9eb-4bc5f0f8d5bf"
> exit-reason="&quo
luster. (/var/lib/pacemaker/pengine/pe-input-250.bz2)
>
> I noticed the option to restrict the logging to higher levels however
> some valuable information is logged under the `notice` level and I
> would like to keep it in the logs.
>
> Please let me know if I am doing something w
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How can I output debug messages?
>
Hi,
Set PCMK_debug=true wherever your distro keeps environment variables
for daemons (/etc/sysconfig/pacemaker, /etc/default/pacemaker, etc.).
Debug messages will show up in the Pacemaker detail log (typically
/var/log/pacemaker/pacema
On Wed, 2023-09-27 at 16:24 +0200, Adam Cecile wrote:
> On 9/27/23 16:02, Ken Gaillot wrote:
> > On Wed, 2023-09-27 at 15:42 +0300, Andrei Borzenkov wrote:
> > > On Wed, Sep 27, 2023 at 3:21 PM Adam Cecile
> > > wrote:
> > > > Hello,
> > > >
&g
e of
them has to stop). If you *prefer* that they run on different nodes,
but want to allow them to run on the same node in a degraded cluster,
use a finite negative score.
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offline, stop the resource that creates it.
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> Thanks & greets
>
> Steffen
>
Hi,
Yes, see the batch-limit cluster option:
https://clusterlabs.org/pacemaker/doc/2.1/Pacemaker_Explained/html/options.html#cluster-options
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;
>
> Adil BOUAZZAOUI
> Ingénieur Infrastructures & Technologies
> GSM : +212 703 165 758
> E-mail : adil.bouazza...@tmandis.ma
>
>
> -Message d'origine-
> De : Adil BOUAZZAOUI
> Envoyé : Friday, September 8, 2023 5:15 PM
> À : Ken Gaill
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> > 3A__lists.clusterlabs.org_mailman_listinfo_users=DwICAg=gRgGjJ3
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> > 5y6s49QqsA=-
> > 46XreMySVoZzxM8t8YcpIX4ayXVWYLvAe0EnGHidNE=VO4147YbENDjp3d
> > xoJeWclZ_EfLrehCht5CgW4_stkgPmryQN0kBA6G12wBwYztD=2Rx_74MVv
> > kAWfZLyMhZw5GCY_37uyRffB2HV4_zkvOY=
> >
> > ClusterLabs home: https://urldefense.proofpoint.com/v2/url?u=https-
> > 3A__www.clusterlabs.org_=DwICAg=gRgGjJ3BkIsb5y6s49QqsA=-
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that DB still thinks it’s a primary), and the
> node is fenced.
>
> Is this an intended behavior for the versions of pacemaker/corosync
> that I’m running, or a regression? It may be possible to put an
> override into the systemd unit file for corosync to force t
cumentation about clones.
There are some regression tests in the code base that include galera
resources. Some use clones and others bundles (containerized). For
example:
https://github.com/ClusterLabs/pacemaker/blob/main/cts/scheduler/xml/unrunnable-2.xml
>
> Il giorno lun 11 set 2023 alle o
run
> all the
> time.
>
> > Do you have any guide that pack this everything together?
>
> No; I've largely made this stuff up myself as I've needed it.
>
>
> Antony.
>
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might be sufficient to use a
booth ticket for just the DNS resource, and let everything else stay
running all the time. For example it doesn't hurt anything for both
sites' floating IPs to stay up.
> Regards
> Adil Bouazzaoui
>
> Le mar. 5 sept. 2023 à 16:48, Ken Gaillot a
> écri
BOUAZZAOUI Ingénieur Infrastructures & Technologies
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>
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&
gt; with version 2 and 3, if corosync version 2 is configured with
> crypto_hash sha256.
>
>
> Thanks,
> Anton.
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for full cluster nodes.
It lets you tell the cluster that a new node should start in standby
mode when it is added.
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ple:
> Node 1 (Master) in VLAN 1: 172.30.100.10 /24
> Node 2 (slave) in VLAN 2: 172.30.200.10 /24
>
> Note: i deployed Centeron HA Cluster with Corosync/Pacemaker on same
> VLAN and it's working fine.
> my idea is to move Slave node on another site (VLAN 2).
>
> Thank you in adv
ure-response
The cluster has no way of knowing ahead of time whether the situation
is resolved -- it just cleans up the failure at the failure-timeout and
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be straightforward. A workaround in the meantime would be
to shut down nodes in sequence rather than in parallel, when shutting
down just some nodes. (Shutting down the entire cluster shouldn't be
subject to the race condition.)
On Wed, 2023-08-02 at 16:53 -0500, Ken Gaillot wrote:
> Ha! I didn't real
.vm03.bz2
> 2023-07-21_pacemaker_debug.log.vm04.bz2
> blackbox_txt_vm04.tar.bz2
> On Thu, Jul 27 12:06:42 EDT 2023, Ken Gaillot kgaillot at redhat.com
> wrote:
>
> > Running "qb-blackbox /var/lib/pacemaker/blackbox/pacemaker-
> controld-
> > 4257.1" (my versi
On Thu, 2023-07-13 at 11:03 -0500, Ken Gaillot wrote:
> On Thu, 2023-07-13 at 09:58 +, S Sathish S via Users wrote:
> > Hi Team,
> >
> > Problem Statement : we are trying to remove node on pcs cluster,
> > post
> > execution also still crm_node
> > it
05:47 vm01 pacemaker-schedulerd[4028]: notice: Calculated
> transition 17, saving inputs in
> /var/lib/pacemaker/pengine/pe-input-940.bz2
>
> 939:
> crm-debug-origin="do_state_transition" join="down" expected="down">
>
>
>
On Thu, 2023-07-20 at 12:43 +0530, Priyanka Balotra wrote:
> What I mainly want to understand is that:
> - why "fatal failure" is coming
The logs so far don't show that. The earliest sign is:
Jul 17 14:18:20.085 FILE-6 pacemaker-fenced[19411]
(remote_op_done) notice: Operation 'reboot'
using any device
>
> I need the node to be powered off from fencing operations rather than
> a reboot. Disabling fencing on dlm resources is not an option. Is
> there any other way to solve this and make dlm issue a poweroff
> action instead of a reboot as part of fencing.
>
&g
invoking handler)
>
> Could you please help me understand the issue here.
>
> Regards
> Priyanka
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action, so it would be just a few lines of
> coding.
>
> >If custom agents are not convenient enough, we could consider "un-
> deprecating" nagios resources if there is demand to keep them.
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here.
> pacemaker-2.1.6-1.el8
> corosync-3.1.7-1.el8
> pcs-0.10.16-1.el8
>
> Thanks and Regards,
> S Sathish S
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de, it's based on a node attribute the agent sets, so it is only
empty for newly created resources that haven't yet run on a node. I'm
not sure if there's a way around it. (Anyone else have experience with
that?)
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On Mon, 2023-07-03 at 19:22 +0300, Andrei Borzenkov wrote:
> On 03.07.2023 18:07, Ken Gaillot wrote:
> > On Mon, 2023-07-03 at 12:20 +0200, lejeczek via Users wrote:
> > > On 03/07/2023 11:16, Andrei Borzenkov wrote:
> > > > On 03.07.2023 12:05, lejeczek via
ny placement
strategy configured. These mainly include stickiness, location
constraints, colocation constraints, and node health. Nodes may be
eliminated from consideration by resource migration thresholds,
standby/maintenance mode, etc.
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could consider "un-
deprecating" nagios resources if there is demand to keep them.
On Fri, 2023-06-30 at 10:51 +0800, Mr.R via Users wrote:
> Hi Ken Gaillot
>
> There are a few questions about nagios,
> In pacemaker-2.1.6, the nagios-class resource may be deprecated.
t; >>> stonith-enabled=true \stonith-timeout=172 \
> > > >>> stonith-action=reboot \stop-all-resources=false \
> > > >>> no-quorum-policy=ignorersc_defaults build-resource-defaults:
> > > \
> > > >>> resource-stic
warning: Node FILE-4 is unclean!*
> > >
> >
> > According to this output FILE-1 lost connection to three other
> > nodes, in
> > which case it cannot be quorate.
> >
> > >
> > > Kindly help correct the configuration to make the system function
> > normally
> > > with all re
; > nodelist {
> > node {
> > ring0_addr: node1
> > name: node1
> > nodeid: 1
> > }
> > }
> >
> > quorum {
> > provider: corosync_votequorum
> > }
> >
> > logging {
> > to_logfile: yes
> > logfile: /var/log/cluster/corosync.log
> > to_syslog: no
> > timestamp: on
> > }
> >
> > Thanks and Regards,
> > S Sathish S
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ed, it's
definitely not running.
>
> Best regards,
> Jozsef
> --
> E-mail : kadlecsik.joz...@wigner.hu
> PGP key: https://wigner.hu/~kadlec/pgp_public_key.txt
> Address: Wigner Research Centre for Physics
> H-1525 Budapest 114, POB. 49, Hungary
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Ken Gaillo
Invalid configuration
> > >
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> >
> >
> > --
> > Regards,
> >
> > Reid Wahl (He/Him)
> > Senior Software Engineer, Red Hat
> > RHEL High Availability - Pacemaker
> >
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present
> in property set 'cib-bootstrap-options'
That's because the custom options are in their own
cluster_property_set. I believe pcs can only manage the options in the
cluster_property_set with id="cib-bootstrap-options", so you'd have to
use "pcs cluster edit" or crm_attribute to remove the custom ones.
>
> Any & all suggestions on how to fix this are much appreciated.
> many thanks, L.
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, Gao,Yan, Grace Chin, Ken Gaillot, Klaus Wenninger, lihaipeng,
liupei, liutong, Reid Wahl, Tahlia Richardson, wanglujun, WangMengabc,
xuezhixin, and zhanghuanhuan.
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all that active and I am looking to simplify my solution
> for
> reliability and ability to troubleshoot.
>
>
> Appreciate any guidance to point me the right direction.
>
> Thanks,
>
> Adam
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ted.
Many thanks to all contributors of source code and language
translations to this release, including Chris Lumens, Gao,Yan, Ken
Gaillot, and Klaus Wenninger.
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o
> restart correctly. Another thing I have noticed is that it will
> sometimes take as long as 10-12 minutes to mount one of the DRBD
> filesystems (XFS) so I have extended the start timeout for each *-
> mount to 15 minutes.
>
> Thanks in advance for any advice to improve the set
-US/Pacemaker/1.1/html/Pacemaker_Explained/s-resource-options.html
Since Pacemaker 2.1.4, multiple-active can be set to "stop_unexpected"
to do what you want.
It's not the default because some services may no longer operate
correctly if an extra instance was started on the same host, s
n
> this one? Mostly checking to see if changing the After dependency
> will harm us in the future.
>
> Thanks!
>
> Respectfully,
> Tyler Phillippe
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even call a nagios plugin).
Does anyone here use nagios-class resources? If it's actively being
used, I'm willing to keep it around. But if there's no demand, we'd
rather not have to maintain that (poorly tested) code forever.
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On Wed, 2023-04-19 at 08:00 +0200, lejeczek via Users wrote:
>
> On 18/04/2023 21:02, Ken Gaillot wrote:
> > On Tue, 2023-04-18 at 19:36 +0200, lejeczek via Users wrote:
> > > On 18/04/2023 18:22, Ken Gaillot wrote:
> > > > On Tue, 2023-04-18 at 14:58 +0200, lejec
which case call this
special agent action to prepare it for running with a demoted instance,
then demote the instance, then migrate the resource, then promote the
new instance, then call this other agent action to return it to normal
operation".
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On Tue, 2023-04-18 at 19:36 +0200, lejeczek via Users wrote:
>
> On 18/04/2023 18:22, Ken Gaillot wrote:
> > On Tue, 2023-04-18 at 14:58 +0200, lejeczek via Users wrote:
> > > Hi guys.
> > >
> > > When it's done by the cluster itself, eg. a node goes
s(always?) a kind of 'swarm' migration?
The migration-limit cluster property specifies how many live migrations
may be initiated at once (the default of -1 means unlimited).
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. Di Nitto, Gao,Yan, Grace Chin, Ken Gaillot, Klaus Wenninger,
lihaipeng, liupei, liutong, Reid Wahl, Tahlia Richardson, wanglujun,
WangMengabc, xuezhixin, and zhanghuanhuan.
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sync-3.1.7-1.el8.x86_64
> pacemaker-2.1.4-1.2.1.4.git.el8.x86_64
> pacemaker-libs-2.1.4-1.2.1.4.git.el8.x86_64
> pacemaker-schemas-2.1.4-1.2.1.4.git.el8.noarch
>
> Thanks and Regards,
> S Sathish S
> ___
> Ma
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> this message by mistake, we would be most grateful if you informed us
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> you delete this message from your mailbox, and do not forw
On Mon, 2023-04-10 at 16:33 +0300, Andrei Borzenkov wrote:
> On Mon, Apr 10, 2023 at 4:26 PM Ken Gaillot
> wrote:
> > On Mon, 2023-04-10 at 14:18 +0300, Miro Igov wrote:
> > > Hello,
> > > I have a resource with location constraint set to:
> > >
> >
ssage by mistake, we would be most grateful if you informed us
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