HPC2N
High Performance Computing Center North
All News Page
- Electrical maintenance affecting Kebnekaise 2026-11-08 and 2026-11-09
- Kebnekaise login node (kebnekaise.hpc2n.umu.se) unavailable until 2026-10-20 08:30 due to pending reboot
- Problem with the parallel file system on Kebnekaise, 2026-10-05, *update 2026-10-05 08:30*
- Kebnekaise maintenance window, 2026-09-22 - 25, *DONE*
- Network maintenance 20260827 19:00
- Problems with keycloak (login for OpenOnDemand), *SOLVED* 20260826 10:24
- Problem with OpenOnDermand portal, 20260818, SOLVED 20260819
- Storage system (user home directories and /proj/nobackup) upgrade, starting 2026-06-24, DONE 2026-06-24 12:50
- Summer break in project proposal processing
- Kebnekaise intermittent problems (2026-04-14)
- ThinLinc temporarily disabled, 20260409, **SOLVED** 20260427 15:45
- Problem with file system for home directories and projects, 20260324 15:00
- Storage system (user home directories and /proj/nobackup) upgrade, starting 2026-03-18
- Upgrade of Kebnekaise nodes to Ubuntu Noble, 2026-01-13
- Kebnekaise ThinLinc access is now working again
- Kebnekaise login host moved to new machine with a new SSH host key, 2025-12-10
- Maintenance on Kebnekaise, will be totaly down, 2025-12-10 07:00, *UPDATE 2025-12-18 16:24*
- Power outage, 2025-07-03, 7:00 - 16:00 **resolved**
- OpenOnDemand at HPC2N
- Filesystem maintenance 2025-01-07 - 2025-01-10, Kebnekaise unavailable *DONE 2025-01-10 16:20*
- HPC2N reduced support 21 Dec 2024 to 7 Jan 2025
- Gaussian will disappear from Kebnekaise on 13th of January 2025 for non-UmU users
- Filesystem maintenance 2025-01-07 - 2025-01-10, Kebnekaise unavailable *DONE 2025-01-10 16:20*
- Network maintenance 2024-12-06
- HPC2N Center Local rounds for 2025 are now open for proposals
- New nodes available on Kebnekaise, 2024-06-05
- 2024-06-12 15.00 Compute clusters and access nodes down for maintance on power
- Batch queues down, 2024-04-11, Problem solved 12:30
- Maintenance on Kebnekaise, 2024-03-20 09:00, DONE 09:30
- External HPC2N connectivity intermittently down, 2024-02-26, 18-22
- Thinlinc login to Kebnekaise currently unavailable, 2024-02-08 09:30, *DONE*
- Main HPC2N router rebooting 2024-01-03 14:30
- Unexpected cooling failure 2023-12-04 00:30 Kebnekaise down, *RESOLVED 20231204 1114*
- Maintenance on Kebnekaise file system 2023-11-15 - 2023-11-17 *FINISHED*
- Maintenance on Kebnekaise 2023-10-12 - 2023-10-13
- New hardware available on Kebnekaise including new GPUs
- 2023-06-09 A mishap with Slurm caused a loss of the job accounting data for Kebnekaise jobs today between 00:00 and 16:40
- Password changing/resetting temporarily disabled 2023-04-12
- 2023-01-24 07:37 File system down, login not working (RESOLVED 09:40)
- 2023-01-30 07:00 Planned maintenance of the cooling systems and central file system (FINISHED 2023-02-02 20:30)
- 2023-01-17 11:30 File system down, login not working (RESOLVED 13:00)
- 2022-12-05 File system down, login not working (SOLVED 23:58)
- Kebnekaise loginnode maintenance 2022-10-24
- File system down, 2022-10-06 login not working (SOLVED 2022-10-06 21:40)
- Problems with the file system - affecting login, etc. (2022-09-26) ** FIXED **
- 2022-09-02 08:30 File system server problems, logins affected (SOLVED 2022-09-02 23:40)
- 2022-08-05 08:32 File system server problems, logins affected (SOLVED 2022-08-05 10:20)
- 2022-07-14 07:10 File system server problems, logins affected (FIXED 2022-0714 08:10)
- 2022-07-06 10:00: File system server problems, logins affected. FIXED 2022-07-08 10:30
- Maintenance on the file system 2022-06-(27-30) *DONE 20220701 15:00*
- 2022-06-10 07:00 Storage system issues causes Kebnekaise login and fileaccess problems (UPDATE 2022-06-14: Still problems)
- 2022-06-08 16:00 Storage system issues causes Kebnekaise login and fileaccess problems (SOLVED 2022-06-08 18:00)
- Follow-up Cooling maintenance computer hall, cluster down 2022-04-05 13:00 (Finished 16.00)
- Cooling problem in computer hall, cluster down 2022-04-04 14:00
- Maintenance on the cooling system for the cluster compute datacenter 2022-03-24 05.00 (Closed 2022-03-25 12:20)
- Storage system issues causes Kebnekaise login and fileaccess problems 2022-03-09 09:30
- Storage system issues causes Kebnekaise login and fileaccess problems 2022-03-02 08:00
- Storage system issues causes Kebnekaise login and fileaccess problems 2022-02-26 13:30
- Storage system issues causes Kebnekaise login and fileaccess problems 2022-02-24 (SOLVED 18:14)
- Kebnekaise and Cluster maintenance at HPC2N 2021-11-15 06:00 - 2021-11-17 17:00
- Storage system issues causes Kebnekaise login and fileaccess problems 2021-10-28 12:45 (CLOSED 15:15)
- Upgrade of thinlinc system 2021-10-05 *FINISHED*
- Storage system issues causes Kebnekaise login and fileaccess problems 2021-09-08 08:00 (Resolved 13:00)
- Maintance Revision high voltage 2021-08-16 18.00 - 2021-08-17 17:20 (CLOSED)
- Slurm controller problem (2021-07-07) SOLVED 13:27
- Problems with project storage (2021-06-11) *SOLVED 2021-06-12 01:17*
- Minor upgrade to $HOME and project storage file servers 2021-05-26 - FINISHED
- Upgrade to Ubuntu Focal on clusters starting 2021-04-19 *UPDATED 2021-04-27, DONE*
- Problems with home-directories and project storage (2021-04-01) *SOLVED 2021-04-06*
- Cluster maintenance at HPC2N 2021-03-22 - 2021-03-25, *FINISHED*
- 2021-02-11 Storage system issues causes Kebnekaise login and fileaccess problems *RESOLVED*
- Migrating away from /pfs/nobackup at HPC2N
- 2020-01-13 CVMFS issues affects local software and modules *Resolved*
- Bus error on Kebnekaise
- Kebnekaise inaccessible, 2020-12-09 *FINISHED*
- Maintenance on storage file system, batch queues stopped 2020-12-01 08:30 *FINISHED*
- New storage system for users and project storage at HPC2N, maintenance window starting 2020-11-12 08:00 *FINISHED*
- Name resolution outage 2020-10-10 (resolved)
- Urgent repairs to city cooling network affects HPC2N compute resources (2020-10-01 - 2020-02-10)
- Abisko Decommissioning, end of September 2020
- Amber 18 update 17 with AmberTools 19 update 12 now available
- RELION 3.1.0 available
- Short maintenance on parallel file system servers, 2020-06-23 08:00
- Kebnekaise accessnodes maintenance 2020-06-02 06:05 - delayed to 08.00
- HPC2N is currently suffering from a University wide power failure, *FINISHED 11:50*
- Temporary problem with HOME dir file servers 20200526, *Fixed 08:25*
- Login disabled due to ongoing security concerns, *Login re-enabled 20200514 13:07*
- Maintenance on cooling system affecting both clusters 2020-05-11 *FINISHED*
- Power maintenance affects Kebnekaise and Abisko, Monday 2020-04-20 and Tuesday 2020-04-21 *Clusters and login nodes now up again*
- Cluster queues suspended, 2019-12-06, Solved 2019-12-07 14:30
- Maintenance on cooling system affects Kebnekaise and Abisko, 2019-10-16 - 17
- AFS home directories inaccessible on Kebnekaise (resolved)
- Upgrade of Lustre servers to solve the last weeks problems 2019-07-(01-05) (clusters now UP again)
- Continued severe problems with pfs (2019-06-25)
- Severe problems with the PFS filesystem (updated 2019-06-24 11:35)
- pfs file system slow/misbehaving (affects both Kebnekaise and Abisko)
- Abisko: Rack 2 lost power/down
- *RESOLVED* pfs file system slow/down, 2019-04-04
- Unplanned cluster issues due to switchboard failure
- 2019-03-13 - Power outage at HPC2N. *Clusters back up*
- Intermittent pfs file system slowness
- Maintenance window, monday 2019-03-04 09:00 - 13:00, all clusters affected
- Lost power to the clusters. *Power and clusters back*
- Electrical maintenance 20190128 07:30 - 18:00, all clusters down
- Problem with /pfs/nobackup file system, 2019-01-03 16:30, Resolved
- Power failure at Umeå University, all clusters down, 20181126 09:40, *UPDATE 15:40*
- Power failure in Umeå, all clusters at HPC2N down. 20181112 14:10 (*Systems online again*)
- Power failure at HPC2N, both clusters down, 20181019 19:15, *SOLVED 20181022 13:00*
- GPU outage on Kebnekaise (resolved)
- Kebnekaise running jobs failed 2018-09-05 18:44
- Downtime, all systems: 2018-08-13, 18:00 - 2018-08-14, 10:00
- Skylake and Volta nodes down. *UP NOW*
- Intel Skylake and NVIDIA Volta gpu nodes now available to users
- Maintenance work are complete
- Maintenance affecting all HPC2N systems between 2018-06-04 and 2018-06-08
- Maintenance for Slurm (batch system) upgrade on Abisko and Kebnekaise: 2018-03-16
- Allinea and Matlab unavailability 15 February 2018 18:00-18:30
- TensorFlow 1.5.0 now installed on Kebnekaise for both CPU and GPU
- Problems with the batch system on Abisko (*solved*)
- File system problem on /pfs/nobackup, queues stopped: 2018-01-24 19:22; *SOLVED*
- Problems with login on Abisko and Kebnekaise SOLVED
- Kernel upgrades may cause slight disturbances - 2018-01-10
- Cooling system maintenance, all clusters down 2017-12-19, *CANCELED*
- 2017-11-18: Cluster login unavailable *RESOLVED*
- Problem with hpc2n mail support address. *SOLVED*
- Software stack on Kebnekaise rebuilt 20171018
- Maintenance window, batch jobs will not run (2017-09-04 08:00)
- Connectivity issues - RESOLVED (2017-08-02)
- Small power outage on Saturday morning (2017-07-08)
- 2017-06-29: Disruptive Lustre server issues, queues suspended (22:45 queues now re-enabled)
- 2017-06-21: Login nodes reboot at 12:00
- 2017-06-28: Maintenance on the Lustre file system finished, queues running again
- 2017-06-13: Resolved: PFS outage. Systems back to normal.
- 2017-06-09 Maintenance is now over.
- Theano 0.9.0 with full cuDNN support installed on Kebnekaise
- srun works again
- 2017-06-07 - 09 Major file system maintenance, all systems down
- Abisko maintenance window 2017-05-23 08:00 - 17:00
- Intel Xeon Phi 7250 (KNL) nodes are available
- 2017-05-10: The temporary Abisko-x.hpc2n.umu.se has been removed
- 2017-05-09: Abisko ordinary login node now online, running Xenial
- Abisko back in production
- Kebnekaise now back in production
- Maintenance on Lustre affecting both Kebnekaise and Abisko on 2017-04-19, 2017-04-20
- Upgrade of Abisko from Ubuntu Precise to Ubuntu Xenial
- Bug causing spurious BUS errors now fixed
- Core network equipment restart on Monday 2017-03-06 20:00-00:00
- Batch queue malfunction on Kebnekaise
- Emacs on Kebnekaise
- projinfo is finally available on Kebnekaise
- MATLAB 2016b is now available on Kebnekaise
- Network problems on Abisko, 2017-02-07
- Network maintenance 2017-02-06 20:00 - 24:00, all queues blocked from starting new jobs
- Problem with filesystem on Kebnekaise - 2016-12-21 (FIXED)
- t-mn02 (Abisko) - brief interruption, 2016-12-15, 16:30
- Kebnekaise - removing toolchains intel 2015b,2016a, and 2016b
- Possible network interruptions in the Umeå University network, 2016-10-27
- PFS problems (SOLVED)
- Abisko login node has intermittent problems, 2016-10-18 SOLVED
- Matlab 2016b
- /pfs/nobackup down - 2016-10-04 - BACK UP AGAIN
- Kebnekaise page created
- 2016-09-06: Maintenance on the /pfs/nobackup filesystem, Abisko will be stopped.
- Maintenance window on Abisko 2016-08-11 08:00 - 11:00
- AFS problems
- AFS is back online
- Abisko down due to major power failure in Umeå (power and /pfs/nobackup are now back)
- Pfs problems (solved)
- Abisko down due to upgrade of the Lustre filesystem (/pfs/nobackup) 2016-05-02 - 2016-05-04 (at least)
- Abisko down due to maintenance of the cooling system 20160413-14 (*FINISHED*)
- Abisko now back online after the maintenance
- AFS failure on abisko login node
- /pfs/nobackup file system unavailable
- Abisko down due to network problems
- Akka will be retired at end of March
- /pfs/nobackup currently not responding (solved now)
- /pfs/nobackup problems
- /pfs/nobackup unavailable
- /pfs/nobackup currently not responding again, ALL batch queues stopped (FIXED AGAIN)
- Maintenance on Akka 2015-10-15 - 16, batch queues will be stopped
- Power maintenance 2015-09-18 06:30, batch nodes will be drained of running jobs.
- Batch queues stopped due to /pfs/nobackup being out of inodes (files). (Partially fixed)
- pfs problems (solved)
- /pfs/nobackup filesystem now back in production
- Electrical maintenance causing problems
- Scheduled electrical maintenance, Wed Aug 19 09:00-14:00
- PFS down (resolved)
- PFS inaccessible
- Problem with pfs
- Driver issues with Abisko interconnect.
- /pfs/nobackup file system have failed
- The /pfs/nobackup problems from 2015-05-27 are currently solved
- /pfs/nobackup file system having problems again
- /pfs/nobackup back online
- pfs read-only
- pfs problems
- /pfs/nobackup not accessible
- Akka login node is having disk problems
- Abisko login node crashed/rebooted
- Batch queues stopped on Abisko and Akka
- Problem with /pfs/nobackup file system
- /pfs/nobackup file system maintenance finally done
- Christmas holidays
- Batch system OK
- Problems with batch system
- Power outage the 24th
- The new center storage system is now available
- New center storage system
- Downtime due to cooling/ventilation system maintenance
- Problems with batchjobs on Abisko and Akka clusters.
- Large scale test of new center storage, Abisko not running jobs
- Downtime on Abisko for large scale testing of our new center storage
- Power outage - Abisko and Akka affected
- Quantum Espresso 5.1 installed on Abisko and Akka
- Downtime due to installation of new cluster file system
- Power failure
- Abisko Slurm upgrade 2014-06-11 from 08:00
- Akka Slurm upgrade 2014-06-03 from 08:00
- Akka batch server being move to another system
- Problem with /pfs/nobackup filesystem on Abisko
- Akka has been upgraded to Ubuntu Precise 12.04
- Akka being upgraded to the same environment as Abisko
- /pfs/nobackup full - PLEASE remove old files!
- Abisko bigmem partition being upgraded
- Gromacs 4.6.5 installed on Abisko
- Reduced HPC2N support during Holiday Break
- Octave 3.6.4 installed on Abisko
- Abisko batch system server to be upgraded
- Bigmem partition on Abisko now upgraded to Precise
- Upgrade of Abisko login node now finished
- Upgrade of Abisko's operating system has now started
- Power failure at HPC2N
- Power failure at HPC2N
- Upgrade of Abisko's operating system from Ubuntu Lucid to Ubuntu Precise
- Network maintenance, 2013-11-04 22:00-24:00
- Network Maintenance 2013-10-07 21:00 - 2013-10-08 01:00
- Network Maintenance, 2013-10-07 12:00 - 15:00
- /pfs/nobackup filesystem full, queues stopped
- Siesta 3.2 installed on Abisko
- Scheduled network outage
- Power Outage
- /pfs/nobackup file system back online
- /pfs/nobackup file system missing
- Maintenance on /pfs/nobackup storage, 2013-07-08
- /pfs/nobackup file system back online
- More problem with /pfs/nobackup filesystem
- Problem with /pfs/nobackup filesystem on Abisko
- Batch system on Abisko working again. May 8
- Problems with the batch system on Abisko. May 8
- Gromacs 4.6.1 installed on Abisko
- Batch system (slurm) upgrade on Abisko February 6th, from 09:00
- HPC2N resources unavailable February 4th, from 22:00 to 24:00
- VASP upgraded on Abisko
- R 2.15.2 available on Abisko
- Amber 12 installed on Abisko
- /pfs/nobackup file system > 95% full, no jobs will start on Akka
- Amber 11 patchlevel 23 installed on Akka
- Parallel file system performance
- DDT 3.2 installed on Abisko
- OpenMPI 1.6.1 installed on Abisko
- Gamess-US intalled on Abisko
- Intel Parallel Studio version 2013 installed on Abisko
- Quantum ESPRESSO 5.0.1 installed on Abisko
- Abinit 6.12.3 installed on Abisko
- Nwchem 6.1.1 installed on Abisko
- Power Maintenance
- Abisko unavailable due to one final acceptance test job.
- Abisko unavailable due to TOP500 runs May 21-27
- Power failure in Umeå
- Power outage
- /pfs/nobackup filesystem now back in production again
- Abisko login node reboot on Wednesday
- Problem with /pfs/nobackup filesystem
- Akka login node rebooted
- License rules for SIESTA has changed
- Matlab 2011b
- Gaussian 09 Revision C.01 on Abisko
- Abisko - down for transistion to the final system
- Abisko - final system online
- Abisko system downtime
- GPFS problems (updates here when available)
- GPFS problem now solved
- Abisko now available again
- Abisko unavailable due to system maintenance
- Installation: Part B of Abisko
- Maintenance on /pfs/nobackup and /hsm file systems.
- Gaussian 09 Revision C.01
- Emergency work at Umeå university core network
- a test news with no from/to date
- Cooling fixed - Akka and Ritsem running jobs again
- Cooling maintenance
- Complete power outage Tuesday Aug 16 06:00-06:30
- Electrical maintenance in one computer room June 14th
- Systems now back in production
- Electrical maintenance in one computer room May 2nd to 10th
- The Batch-system works normally again
- Problems with the batch-system on Akka
- Power failure on Akka and Ritsem
- Home directories working again
- Problems with home directories
- Sarek blocked due to emergency work on cooling system.
- Short power failure on Akka and Ritsem (2011-01-07)
- Nwchem 6.0
- Gromacs 4.5.3
- Power is back on Akka
- Power fail on Akka
- R upgraded to version 2.11.1
- Web graphs unavailable, now back online.
- Logins enabled again
- Logins temporarily disabled for security reasons
- Gromacs 4.5.1
- WRF 3.2
- Gaussian 09 Revision B.01
- New logins to Akka temporarily blocked
- Akka again accepts login
- Planned cooling outage on UmU Campus Wed June 30
- Release of our new website
- Akka will be retired at end of March
Updated: 2026-11-09, 16:01