Learning Forum

[Rashi]

Hi,

I'm running ANSYS 2020 R2 on an RHELS 7.9 workstation with 32 physical cores.

I can only run a simulation up to 8 cores and when I go above 8 cores simulation does not run. When I check solver output, it shows "insufficient HPC licenses available".

I ran the ANSLIC_ADMIN utility and in the HPC license list, there was one HPC license available. Please let me know how to solve this issue.

Thank you.

Rashi.

[George Karnos]

Can you post the license status?

[Rashi]

Hi Geo
Following is the license status I got from anslic_admin
Oct 11, 2021 22:19: Attempting to display the license status...

====================================================================================================
DISPLAY THE LICENSE STATUS:

Note: ANS_FLEXLM_DISABLE_DEFLICPATH environment variable is set.

ANSYS Licensing Interconnect path = 2325@a2.cmc.ca

ANSYS FLEXlm license path = 6624@a2.cmc.ca


***** Note: Due to a FLEXlm limitation, all tasks may not be found *****

<================================================================================>
<================================================================================>


***** LICENSE SERVER STATUS: 6624@a2.cmc.ca *****


lmutil - Copyright (c) 1989-2015 Flexera Software LLC. All Rights Reserved.
Flexible License Manager status on Mon 10/11/2021 22:19

[Detecting lmgrd processes...]
Error getting status: License server machine is down or not responding. (-96,491)

====================================================================================================

[Rob]

Can you check if you can run with 4 and then 5 cores?

[Rashi]

Hi Rob
Yes, I can run with more than 4 cores now. It seems I've maxed out the licenses available for our research group.

Please mark this case as resolved.

Thank you.
Rashi

[Rob]

:) The base solver currently gives you 4 parallel, then HPC adds from there. One pack is 12 (8+4) cpu, 2 packs 36 (32+4), 3 packs 132 (128+4) etc. I'm sure your account manager can help with additional licences.... ;)

[Rashi]

Hi Rob According to the license provider (CMC microsystems), we have 60 cores for simulation with the HPC pack. That is an odd number don't you think?
Rashi

[Rob]

It looks odd but could be a pool rather than a pack. The former is a lot more flexible and is how we used to supply parallel.

[Rashi]

Thank you for your reply Rob.