[-Maxim-]

Hello,

I hope this is the right section of the forum, if not, please move my post. Thanks.

I am trying to set up Ansys RSM with ARC (Ansys Remote Cluster) on my little linux cluster running CentOS and Ansys 2022 R2. The cluster consists of a master with 2 nodes (16 cores each), connected via infiniband.

So far I have copied over my .def files, started the calculation via putty from my Windows workstation and copied the results back. Now I would like to use the optimization features of Workbench and for that I need to set up RSM to send the jobs to the cluster from the Workbench.

What I've done so far is the following (all as root on master):
- ./rsmclusterconfig to create service scripts rsmlauncher, arcmaster and arcnode
- ./rsmconfig -launcher --> successfully installed and launched --> RSM Launcher Service is running
- ./arcmaster start --> succesful
- ./arcnode start --> successful

Then I launched the RSM config tool on my windows workstation, defined name of cluster, staging directory on network share and on cluster, stored user credentials, imported and refreshed the queues.

I have two ARC queues now: Default and local which would start the test job on the master. When I test either of them now, the test runs now successful. (*edited* - no idea why it works now...)

However, I am not able to set up my compute nodes in ./arcconfigui unfortunately. When I want to add the node01 (that's the name of my node), it states the following in putty:

/usr/ansys_inc/v222/RSM/ARC/tools/linx64/arcdeploy -f "/root/.ansys/v222/deploy.csv" -nomaster
You entered the following 3 command line arguments:
-f
/root/.ansys/v222/deploy.csv
-nomaster
Starting ARC service on node01
I am running the following commands
ssh -tt node01 "sudo -E /usr/ansys_inc/v222/RSM/ARC/tools/linx64/install_daemon -arcnode"
Installing Ansys RSM Cluster Node service
arcnode222 installed.
Please use /etc/init.d/arcnode222 {start|stop|restart|status|try-restart|condrestart} to monitor arcnode222 service
Setting environment variables from '/usr/ansys_inc/v222/RSM/ARC/tools/linx64/arc_env_profile'
Ansys RSM Cluster Node Service is not running
Setting environment variables from '/usr/ansys_inc/v222/RSM/ARC/tools/linx64/arc_env_profile'
Starting Ansys RSM Cluster Node Service ...
Starting /usr/ansys_inc/v222/Framework/bin/Linux64/runwb2 -cmd mono /usr/ansys_inc/v222/RSM/ARC/bin/ArcNodeService.exe -noshutdown...
Ansys RSM Cluster Node Service start failed.  Please check the Logfile for Errors
mkdir: cannot create directory ???/home/rsmadmin???: Permission denied
 This process is not being run as an Administrator.
An Unhandled Exception has occurred. Access to the path '/home/rsmadmin/.ansys/v222/ARC' is denied.

I am running that as root, therefore I should be Administrator. The user "rsmadmin" seems to be auto-created (/home/rsmadmin exists). There is no firewall active.


Any pointers would be helpful. Thank you for your help!
-Maxim