{"is":"system","title":"Compute Nodes","permalink":"https://um-grex.github.io/status/affected/compute-nodes/","status":"ok","pages":[{"is":"issue","title":"Planned Grex outage - updating SLURM and home","createdAt":"2026-09-02 08:30:00 +0000 UTC","lastMod":"2026-09-02 08:30:00 +0000 UTC","permalink":"https://um-grex.github.io/status/issues/2026-09-20-slurm-storage-planned/","severity":"down","resolved":true,"informational":false,"resolvedAt":"2026-09-08 23:10:00","affected":["Lustre /project","NFS /home","Compute nodes","Login nodes","OpenOnDemand portal"],"filename":"2026-09-20-slurm-storage-planned.md"},{"is":"issue","title":"Planned Grex outage - updating storage","createdAt":"2025-12-08 08:00:00 +0000 UTC","lastMod":"2025-12-08 08:00:00 +0000 UTC","permalink":"https://um-grex.github.io/status/issues/2025-12-08-planned-storage-outage/","severity":"down","resolved":true,"informational":false,"resolvedAt":"2025-12-08 12:00:00","affected":["Lustre /project","NFS /home","Compute nodes","Login nodes","OpenOnDemand portal"],"filename":"2025-12-08-planned-storage-outage.md"},{"is":"issue","title":"Planned Grex outage, updating storage and patching operating system","createdAt":"2025-09-24 08:00:00 +0000 UTC","lastMod":"2025-09-24 08:00:00 +0000 UTC","permalink":"https://um-grex.github.io/status/issues/2025-09-24-planned-updates-outage/","severity":"down","resolved":true,"informational":false,"resolvedAt":"2025-09-26 17:50:00","affected":["Lustre /project","NFS /home","Compute nodes","Login nodes","OpenOnDemand portal"],"filename":"2025-09-24-planned-updates-outage.md"},{"is":"issue","title":"Unplanned power outage in HPCC, Grex down","createdAt":"2025-04-23 09:10:00 +0000 UTC","lastMod":"2025-04-23 09:10:00 +0000 UTC","permalink":"https://um-grex.github.io/status/issues/2025-04-23-unplanned-power-outage/","severity":"down","resolved":true,"informational":false,"resolvedAt":"2025-04-23 12:40:00","affected":["Compute nodes","Login nodes","Network","Lustre /project","NFS /home","OpenOnDemand portal","ComputeCanada CVMFS"],"filename":"2025-04-23-unplanned-power-outage.md"},{"is":"issue","title":"Planned HPCC datacentre power outage","createdAt":"2025-02-23 07:00:00 +0000 UTC","lastMod":"2025-02-23 07:00:00 +0000 UTC","permalink":"https://um-grex.github.io/status/issues/2025-02-23-hpcc-poweroutage/","severity":"down","resolved":true,"informational":false,"resolvedAt":"2025-02-24 17:10:00","affected":["Compute nodes","Login nodes","Network","NFS /home","Lustre /project","OpenOnDemand portal","ComputeCanada CVMFS"],"filename":"2025-02-23-hpcc-poweroutage.md"},{"is":"issue","title":"Unplanned SLURM outage due to a problematic update","createdAt":"2025-01-21 11:00:00 +0000 UTC","lastMod":"2025-01-21 11:00:00 +0000 UTC","permalink":"https://um-grex.github.io/status/issues/2025-01-21-slurm-update-outage/","severity":"down","resolved":true,"informational":false,"resolvedAt":"2025-01-21 16:05:00","affected":["Compute nodes"],"filename":"2025-01-21-slurm-update-outage.md"},{"is":"issue","title":"Planned HPCC/Grex outage for electrical and cooling work.","createdAt":"2024-08-26 08:00:00 +0000 UTC","lastMod":"2024-08-26 08:00:00 +0000 UTC","permalink":"https://um-grex.github.io/status/issues/2024-08-26-planned-hpcc-outage/","severity":"down","resolved":true,"informational":false,"resolvedAt":"2024-09-10 16:00:00","affected":["Compute nodes","Network","Lustre /project"],"filename":"2024-08-26-planned-hpcc-outage.md"},{"is":"issue","title":"Planned HPCC/Grex outage for electrical and cooling work.","createdAt":"2024-07-16 06:00:00 +0000 UTC","lastMod":"2024-07-16 06:00:00 +0000 UTC","permalink":"https://um-grex.github.io/status/issues/2024-07-16-planned-hpcc-outage/","severity":"down","resolved":true,"informational":false,"resolvedAt":"2024-07-18 18:00:00","affected":["Login nodes","Compute Nodes","Lustre /global/scratch","NFS /home"],"filename":"2024-07-16-planned-hpcc-outage.md"},{"is":"issue","title":"Planned Grex outage for Lustre FS and Major Linux update","createdAt":"2024-05-07 09:00:00 +0000 UTC","lastMod":"2024-05-07 09:00:00 +0000 UTC","permalink":"https://um-grex.github.io/status/issues/2024-05-07-planned-lustre-outage/","severity":"down","resolved":true,"informational":false,"resolvedAt":"2024-05-10 13:00:00","affected":["Login nodes","Compute Nodes","Lustre /global/scratch","NFS /home"],"filename":"2024-05-07-planned-lustre-outage.md"},{"is":"issue","title":"Planned Grex outage for SLURM and minor OS update","createdAt":"2023-12-18 09:00:00 +0000 UTC","lastMod":"2023-12-18 09:00:00 +0000 UTC","permalink":"https://um-grex.github.io/status/issues/2023-12-18-planned-outage/","severity":"down","resolved":true,"informational":false,"resolvedAt":"2023-12-19 18:00:00","affected":["Login nodes","Compute Nodes","Lustre /global/scratch","NFS /home","Network"],"filename":"2023-12-18-planned-outage.md"},{"is":"issue","title":"Two Planned Grex outages for HPCC transformer work","createdAt":"2023-09-12 18:00:00 +0000 UTC","lastMod":"2023-09-12 18:00:00 +0000 UTC","permalink":"https://um-grex.github.io/status/issues/2023-09-12_18-planned-grex-outages/","severity":"down","resolved":true,"informational":false,"resolvedAt":"2023-09-19 21:00:00","affected":["Login nodes","Compute Nodes","Lustre /global/scratch","NFS /home","Network"],"filename":"2023-09-12_18-planned-Grex-outages.md"},{"is":"issue","title":"Unplanned power outage in HPCC datacentre","createdAt":"2023-05-30 07:00:00 +0000 UTC","lastMod":"2023-05-30 07:00:00 +0000 UTC","permalink":"https://um-grex.github.io/status/issues/2023-05-30-unplanned-power-outage/","severity":"down","resolved":true,"informational":false,"resolvedAt":"2023-05-30 09:30:00","affected":["Login nodes","Compute Nodes","Lustre /global/scratch"],"filename":"2023-05-30-unplanned-power-outage.md"},{"is":"issue","title":"Planned Grex outage for HPCC work and storage update","createdAt":"2023-02-22 14:30:00 +0000 UTC","lastMod":"2023-02-22 14:30:00 +0000 UTC","permalink":"https://um-grex.github.io/status/issues/2023-02-22-planned-grex-outage/","severity":"down","resolved":true,"informational":false,"resolvedAt":"2023-02-27 3:00:00","affected":["Login nodes","Compute Nodes","Lustre /global/scratch"],"filename":"2023-02-22-planned-Grex-outage.md"},{"is":"issue","title":"Datacentre Plumbing works October 20, 2022","createdAt":"2022-10-20 09:30:00 +0000 UTC","lastMod":"2022-10-20 09:30:00 +0000 UTC","permalink":"https://um-grex.github.io/status/issues/2022-10-20-datacentre-plumbing/","severity":"down","resolved":true,"informational":false,"resolvedAt":"2022-10-20 2:15:00","affected":["Compute nodes"],"filename":"2022-10-20-datacentre-plumbing.md"},{"is":"issue","title":"Brief power outage on May 31, 2022","createdAt":"2022-05-31 01:30:00 +0000 UTC","lastMod":"2022-05-31 01:30:00 +0000 UTC","permalink":"https://um-grex.github.io/status/issues/2022-05-31-partial-power-outage/","severity":"down","resolved":true,"informational":false,"resolvedAt":"2022-05-31 2:00:00","affected":["Compute nodes"],"filename":"2022-05-31-partial-power-outage.md"},{"is":"issue","title":"Emergency SLURM update wiped all running jobs","createdAt":"2022-05-09 00:00:00 +0000 UTC","lastMod":"2022-05-09 00:00:00 +0000 UTC","permalink":"https://um-grex.github.io/status/issues/2022-05-09-slurm-emergency-update/","severity":"down","resolved":true,"informational":false,"resolvedAt":"2022-05-09 11:00:00","affected":["Compute nodes"],"filename":"2022-05-09-slurm-emergency-update.md"},{"is":"issue","title":"Brief power outages on April 23, 24 , 2022","createdAt":"2022-04-24 11:30:00 +0000 UTC","lastMod":"2022-04-24 11:30:00 +0000 UTC","permalink":"https://um-grex.github.io/status/issues/2022-04-24-partial-power-outage/","severity":"down","resolved":true,"informational":false,"resolvedAt":"2022-04-24 13:00:00","affected":["Compute nodes"],"filename":"2022-04-24-partial-power-outage.md"},{"is":"issue","title":"Brief power outages on October 23, 2021","createdAt":"2021-10-23 15:30:00 +0000 UTC","lastMod":"2021-10-23 15:30:00 +0000 UTC","permalink":"https://um-grex.github.io/status/issues/2021-10-23-unplanned-power-outages/","severity":"down","resolved":true,"informational":false,"resolvedAt":"2021-10-24 1:00:00","affected":["Compute nodes","Login nodes"],"filename":"2021-10-23-unplanned-power-outages.md"},{"is":"issue","title":"Planned power outage Aug 31 to Sept 1","createdAt":"2021-08-31 08:00:00 +0000 UTC","lastMod":"2021-08-31 08:00:00 +0000 UTC","permalink":"https://um-grex.github.io/status/issues/2021-08-31-planed-power-outage/","severity":"down","resolved":true,"informational":false,"resolvedAt":"2021-09-01 12:00:00","affected":["Compute nodes","Login nodes","NFS /home","Lustre /global/scratch"],"filename":"2021-08-31-planed-power-outage.md"}]}