[ClusterLabs] Change SBD Disk to VCenter Stonith

[Klaus Wenninger]

On 02/22/2019 09:03 AM, Dileep V Nair wrote:
>
> Hello Klaus,
>
> Thanks for the suggestion. I tried both ways, but even then pacemaker
> service is not starting because there is a dependency on SBD service,
> which does not start without the SBD disk. I am planning to try
> uninstalling SBD service itself and see if that removes the
> dependency. Any suggestion on how to remove the dependency without
> actually uninstalling service will be helpful.
>

Interesting ... with any reference to the disk removed from sbd-config
sbd-service should
come up in watchdog-only-mode (well in your VMware case without a
hardware-watchdog
just using the loop of sbd-inquisitor ...) ... and disabling sbd-service
should make
systemd (assuming you are on a systemd-based distribution) not require
SBD to come
up before it starts pacemaker.

Klaus
>
>
> Thanks & Regards
> *
> Dileep Nair*
> Squad Lead - SAP Base
> Togaf Certified Enterprise Architect
> IBM Services for Managed Applications
> +91 98450 22258 Mobile
> dilenair at in.ibm.com
>
> IBM *Services*
>
>
> Inactive hide details for Klaus Wenninger ---02/22/2019 12:25:22
> PM---On 02/22/2019 06:24 AM, Dileep V Nair wrote: >Klaus Wenninger
> ---02/22/2019 12:25:22 PM---On 02/22/2019 06:24 AM, Dileep V Nair wrote: >
>
> From: Klaus Wenninger <kwenning at redhat.com>
> To: Cluster Labs - All topics related to open-source clustering
> welcomed <users at clusterlabs.org>, Dileep V Nair <dilenair at in.ibm.com>
> Date: 02/22/2019 12:25 PM
> Subject: Re: [ClusterLabs] Change SBD Disk to VCenter Stonith
>
> ------------------------------------------------------------------------
>
>
>
> On 02/22/2019 06:24 AM, Dileep V Nair wrote:
>
>         Hi,
>
>         I have a running cluster with Stonith configured as SBD. Now I
>         would like to remove the SBD disks and move to VCenter
>         Stonith. After removing the SBD disk, I am not able to start
>         pacemaker because of the dependant SBD service which was
>         configured during ha-cluster-init. What is the best way to
>         remove SBD disk from the VM. 
>
>
> The other way round would probably be more handy like first remove SBD
> configuration and
> afterwards remove the disk from the VM.
> But I guess it would probably be quickest to remove the disk from the
> SBD-config-file
> (e.g. /etc/sysconfig/sbd) to get pacemaker-service up again. Or you
> just disable SBD-service
> (e.g. systemctl disable sbd). In both cases the SBD fencing resource
> would probably moan
> on monitoring but that shouldn't prevent you from adapting the stonith
> configuration.
>
> Klaus
>
>
>
>         Thanks & Regards*
>
>         Dileep Nair*
>         Squad Lead - SAP Base
>         Togaf Certified Enterprise Architect
>         IBM Services for Managed Applications
>         +91 98450 22258 Mobile_
>         __dilenair at in.ibm.com_ <mailto:dilenair at in.ibm.com>
>
>         IBM *Services*
>
>
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