Due to maintenance, the high-performance computing (HPC) clusters and their storage systems (/home and /scratch) will be unavailable:
- Great Lakes: Monday, January 11, 2021, 6 a.m. – 6 p.m.
- Armis2, Lighthouse: Monday, January 11, 2021, 6 a.m., to Tuesday, January 12, 2021, 6 p.m.
- ConFlux: Monday, January 11, 2021, 6 a.m., to Tuesday, January 12, 2021, 6 p.m.
- Cavium ThunderX: Monday, January 11, 2021, 6 a.m., to Wednesday, January 13, 2021, 6 p.m.
Copy any files you might need during the maintenance window to your local drive using Globus File Transfer.
Contact arcts-support@umich.edu if you have any questions.
Planned Updates
Great Lakes
- CentOS 7.9 OS update
Slurm 20.11(Slurm version will remain at 20.2 until further testing)- NVIDIA driver updates
- OFED updates
- InfiniBand updates
- Open OnDemand 1.8 (potentially to 2.0)
- GPFS updates
Lighthouse
- CentOS 7.9 OS update
Slurm 20.11(Slurm version will remain at 20.2 until further testing)- NVIDIA driver updates
- OFED updates
- Open OnDemand 1.8 (potentially to 2.0)
- InfiniBand updates to gateways
- Preventative maintenance to the data center (cluster will be powered off)
Armis2
- CentOS 7.9 OS update
Slurm 20.11(Slurm version will remain at 20.2 until further testing)- NVIDIA driver updates
- OFED updates
- InfiniBand updates to gateways
- Preventative maintenance to the data center (cluster will be powered off)
ConFlux
- OS updates
- Nvidia Driver updates
- Cuda update
- OFED update
ThunderX
- CentOS 7.9 (user software version but not kernel)
- Performance and file system tuning
- Yarn queue restructuring
Completed Changes
Great Lakes, Lighthouse, and Armis2
NEW version (after maintenance) | OLD version (before maintenance) |
---|---|
CentOS 7.9
|
CentOS 7.8
|
Mlnx-ofa_kernel-modules
|
Mlnx-ofa_kernel-modules
|
Slurm 20.02.6 compiles with:
|
Slurm 20.02.6 compiles with:
|
PMIx LD config /opt/pmix/2.2.4/lib | LD config PMIx /opt/pmix/2.2.4/lib |
PMIx versions available in /opt :
|
PMIx versions available in /opt :
|
hwloc versions available in /opt:
|
hwloc versions available in /opt:
|
NVIDIA driver 450.80.02 | NVIDIA driver 450.51.05 |
GPFS client 4.2.3.24 | GPFS client 4.2.3-22 |
Open OnDemand 1.8.18-1.el7 ( available on Great Lakes and Lighthouse only) | Open OnDemand 1.7.14-1.el7 |