[ClusterLabs] Setup problem: couldn't find command: tcm_node

Zhu Lingshan lszhu at suse.com
Wed Jul 20 22:55:54 EDT 2016

Hi Jason,

tcm_node is in a package called lio-utils. If it is SUSE, you can try to 
zypper in lio-utils.

Zhu Lingsan

On 07/20/2016 11:08 PM, Jason A Ramsey wrote:
> I have been struggling getting a HA iSCSI Target cluster in place for literally weeks. I cannot, for whatever reason, get pacemaker to create an iSCSILogicalUnit resource. The error message that I’m seeing leads me to believe that I’m missing something on the systems (“tcm_node”). Here are my setup commands leading up to seeing this error message:
> # pcs resource create hdcvbnas_tgtsvc ocf:heartbeat:iSCSITarget iqn="iqn.2016-07.local.hsinawsdev:hdcvadbs-witness" op monitor interval=15s
> # pcs resource create hdcvbnas_lun0 ocf:heartbeat:iSCSILogicalUnit target_iqn="iqn.2016-07.local.hsinawsdev:hdcvadbs-witness" lun="0" path=/dev/drbd1 implementation="lio" op monitor interval=15s
> Failed Actions:
> * hdcvbnas_lun0_stop_0 on hdc1anas002 'not installed' (5): call=321, status=complete, exitreason='Setup problem: couldn't find command: tcm_node',
>      last-rc-change='Wed Jul 20 10:51:15 2016', queued=0ms, exec=32ms
> This is with the following installed:
> pacemaker-cli-1.1.13-10.el7.x86_64
> pacemaker-1.1.13-10.el7.x86_64
> pacemaker-libs-1.1.13-10.el7.x86_64
> pacemaker-cluster-libs-1.1.13-10.el7.x86_64
> corosynclib-2.3.4-7.el7.x86_64
> corosync-2.3.4-7.el7.x86_64
> Please please please…any ideas are appreciated. I’ve exhausted all avenues of investigation at this point and don’t know what to do. Thank you!
> --
> [ jR ]
> @: jason at eramsey.org
>    there is no path to greatness; greatness is the path
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