April 1, 2020 at 3:59 pmCMCsupport1Subscriber
We provide CentOS 7 virtual accounts for our subscribers. Each account has about 8 cores and 16 to 32 GB of memory. These values are fixed.
For home directory, we provide part of each account in volatile memory – reserved per instance – and permanent disk storage, that persists when students log in and log back out each day.
Our virtual account administrator is reporting that during ANSYS simulations, users are generating large amounts of temporary/scratch files. These files are left behind by users when simulations have completed in both persistent and volatile memory. His proposed solution is to attach additional disk storage to be used for temporary/scratch file read/write activity. This would be a new directory. Each virtual account would be able to use this space.
He has asked me to find a way to configure Fluent so that the program uses this new storage disk for all temporary/scratch files and all users. He would prefer to do this himself, by setting a variable in a configuration script file. This file would be run each time a user starts Fluent, so he doesn’t have to tell each user to make this change in teh program. Is this possible?
Let us know if you need more information about our set-up.
CMC Microsystems' Technical Support Staff
April 7, 2020 at 6:30 pmtsiriaksAnsys Employee
Hello CMC Microsystems' Technical Support Staff
Please refer to this KM from ANSYS Customer Portal (
Solution # 2043293
When Fluent is launched on a Linux system, by default, it will write out temp files to the /tmp directory. However, many times the /tmp directory is not accessible to users or does not have enough disk space. This behavior is hard coded into the Fluent run script.
In order to change this behavior you will need to modify the Fluent run script located in the
*Make sure you make a copy of the original file before modifying the Fluent run script.
Modify the mpirun.fl script
April 7, 2020 at 7:19 pmCMCsupport1Subscriber
As in the past, we are obliged to ANSYS support staff for help. Please consider this case 'closed'.
CMC Microsystems' Technical Support
April 7, 2020 at 7:25 pmtsiriaksAnsys Employee
You are welcome. Sorry for the delayed response.
- You must be logged in to reply to this topic.
Simulation World 2022
Check out more than 70 different sessions now available on demand. Get inspired as you hear from visionary companies, leading researchers and educators from around the globe on a variety of topics from life-saving improvements in healthcare, to bold new realities of space travel. Take a leap of certainty and check out a session today here.
Earth Rescue – An Ansys Online Series
The climate crisis is here. But so is the human ingenuity to fight it. Earth Rescue reveals what visionary companies are doing today to engineer radical new ideas in the fight against climate change. Click here to watch the first episode.
Subscribe to the Ansys Blog to get great new content about the power of simulation delivered right to your email on a weekly basis. With content from Ansys experts, partners and customers you will learn about product development advances, thought leadership and trends and tips to better use Ansys tools. Sign up here.
- Error with workbench SceneGraphChart
- Workbench error
- Workbench not opening
- License Error
- How can I renew ANSYS student version license?
- Licensing error while opening ANSYS Mechanical
- An error occurred when the post processor attempted to load a specific result.
- Sizing on Ansys Workbench 19.2
- Error: Exception of type ‘Ansys.Fluent.Cortex.Cortex not availableException’ was thrown
- Problem with FlexNet Licensing
© 2022 Copyright ANSYS, Inc. All rights reserved.