| Georgia Tech Hive Gateway Scheduled Downtime           | 
                                                                                        Outage Full           | 
                                                                                                                   
           | 
                                                                                        GaTech Hive Cluster           | 
                                                                                                   | 
              
          
                                                                                        | ACCESS XDMoD Scheduled Downtime           | 
                                                                                        Outage Full           | 
                                                                                                                   
           | 
                                                                                        ACCESS Metrics on Demand Service (XDMoD)           | 
                                                                                                   | 
              
          
                                                                                        | ACCESS XDMoD Scheduled Downtime           | 
                                                                                        Outage Full           | 
                                                                                                                   
           | 
                                                                                        ACCESS Metrics on Demand Service (XDMoD)           | 
                                                                                                   | 
              
          
                                                                                        | Bridges-2 Outage December 19-20           | 
                                                                                        Outage Full           | 
                                                                                                                   
           | 
                                                                                        PSC Bridges-2 Regular Memory (Bridges-2 RM) PSC Bridges-2 GPU (Bridges-2 GPU) PSC Bridges-2 Extreme Memory (Bridges-2 EM) PSC Bridges-2 GPU-AI (Bridges-2 GPU Artificial Intelligence) PSC Bridges-2 Storage (Bridges-2 Ocean)           | 
                                                                                                   | 
              
          
                                                                                        | SDSC Expanse Maintenance 7AM-Midnight (PT), Monday, Dec 18,  2023  [Completed]           | 
                                                                                        Outage Full           | 
                                                                                                                   
           | 
                                                                                        SDSC Dell Cluster with AMD Rome HDR IB (Expanse) SDSC Dell Cluster with NVIDIA V100 GPUs NVLINK and HDR IB (Expanse GPU) SDSC Expanse Project Storage           | 
                                                                                                   | 
              
          
                                                                                        | ACCESS XDMoD Scheduled Downtime           | 
                                                                                        Outage Partial           | 
                                                                                                                   
           | 
                                                                                        ACCESS Metrics on Demand Service (XDMoD)           | 
                                                                                                   | 
              
          
                                                                                        | ACCESS Web Login Partial Outage October 31, 2023           | 
                                                                                        Outage Partial           | 
                                                                                                                   
           | 
                                                                                        ACCESS Identity Management Service           | 
                                                                                                   | 
              
          
                                                                                        | Anvil Unplanned Outage             | 
                                                                                        Outage Full           | 
                                                                                                                   
           | 
                                                                                        Purdue Anvil CPU Purdue Anvil GPU           | 
                                                                                                   | 
              
          
                                                                                        | Delta /projects file system temporarily unavailable           | 
                                                                                        Outage Partial           | 
                                                                                                                   
           | 
                                                                                        NCSA Delta Storage (Delta Storage)           | 
                                                                                                   | 
              
          
                                                                                        | Delta maintenance 10-04-2023           | 
                                                                                        Outage Full           | 
                                                                                                                   
           | 
                                                                                        NCSA Delta CPU (Delta CPU) NCSA Delta GPU (Delta GPU) NCSA Delta Storage (Delta Storage)           | 
                                                                                                   | 
              
          
                                                                                        | SDSC Expanse NFS server issues  [resolved]           | 
                                                                                        Outage Full           | 
                                                                                                                   
           | 
                                                                                        SDSC Dell Cluster with AMD Rome HDR IB (Expanse) SDSC Dell Cluster with NVIDIA V100 GPUs NVLINK and HDR IB (Expanse GPU) SDSC Expanse Project Storage           | 
                                                                                                   | 
              
          
                                                                                        | SDSC Expanse: Home directory server and login issues [Resolved]           | 
                                                                                        Outage Full           | 
                                                                                                                   
           | 
                                                                                        SDSC Dell Cluster with AMD Rome HDR IB (Expanse) SDSC Dell Cluster with NVIDIA V100 GPUs NVLINK and HDR IB (Expanse GPU)           | 
                                                                                                   | 
              
          
                                                                                        | Jira Service Management ticketing system is non-responsive           | 
                                                                                        Outage Full           | 
                                                                                                                   
           | 
                                                                                        ACCESS Ticket System (JSM or RT)           | 
                                                                                                   | 
              
          
                                                                                        | Jira Service Management ticketing system is non-responsive           | 
                                                                                        Outage Full           | 
                                                                                                                   
           | 
                                                                                        ACCESS Ticket System (JSM or RT)           | 
                                                                                                   | 
              
          
                                                                                        | Delta projects file system maintenance 09-14-2023           | 
                                                                                        Outage Partial           | 
                                                                                                                   
           | 
                                                                                        NCSA Delta Storage (Delta Storage)           | 
                                                                                                   | 
              
          
                                                                                        | Anvil Unplanned Outage           | 
                                                                                        Outage Full           | 
                                                                                                                   
           | 
                                                                                        Purdue Anvil CPU           | 
                                                                                                   | 
              
          
                                                                                        | DUO authentication slowness or failure August 21, 2023           | 
                                                                                        Outage Partial           | 
                                                                                                                   
           | 
                                                                                        ACCESS Identity Management Service           | 
                                                                                                   | 
              
          
                                                                                        | SDSC Expanse Maintenance, 7AM-Midnight (PT), August 14, 2023           | 
                                                                                        Outage Full           | 
                                                                                                                   
           | 
                                                                                        SDSC Expanse Project Storage SDSC Dell Cluster with AMD Rome HDR IB (Expanse) SDSC Dell Cluster with NVIDIA V100 GPUs NVLINK and HDR IB (Expanse GPU)           | 
                                                                                                   | 
              
          
                                                                                        | RESOLVED -- 8/13/2023 Network outage upstream from Jetstream2           | 
                                                                                        Outage Full           | 
                                                                                                                   
           | 
                                                                                        Indiana Jetstream2 Indiana Jetstream2 GPU Indiana Jetstream2 Large Memory Indiana Jetstream2 Storage           | 
                                                                                                   | 
              
          
                                                                                        | 8/8/2023 3:56pm ET - IU Bloomington power event affecting Jetstream2 services           | 
                                                                                        Outage Partial           | 
                                                                                                                   
           | 
                                                                                        Indiana Jetstream2 Indiana Jetstream2 GPU Indiana Jetstream2 Large Memory Indiana Jetstream2 Storage           | 
                                                                                                   | 
              
          
                                                                                        | ACCESS User Identity and OAuth Client Registry Planned Maintenance July 1, 2023           | 
                                                                                        Outage Full           | 
                                                                                                                   
           | 
                                                                                        ACCESS User Identity and OAuth Client Registry           | 
                                                                                                   | 
              
          
                                                                                        | NCSA Delta Resource Power Outage Event           | 
                                                                                        Outage Full           | 
                                                                                                                   
           | 
                                                                                        NCSA Delta CPU (Delta CPU) NCSA Delta GPU (Delta GPU) NCSA Delta Storage (Delta Storage)           | 
                                                                                                   | 
              
          
                                                                                        | Jetstream2 / Jetstream2 GPU / Jetstream2 Large Memory Power Outage           | 
                                                                                        Outage Full           | 
                                                                                                                   
           | 
                                                                                        Indiana Jetstream2 Indiana Jetstream2 GPU Indiana Jetstream2 Large Memory Indiana Jetstream2 Storage           | 
                                                                                                   | 
              
          
                                                                                        | NCSA Delta Resource Power Outage           | 
                                                                                        Outage Full           | 
                                                                                                                   
           | 
                                                                                        NCSA Delta CPU (Delta CPU) NCSA Delta GPU (Delta GPU) NCSA Delta Storage (Delta Storage)           | 
                                                                                                   | 
              
          
                                                                                        | Anvil Cluster Maintenance           | 
                                                                                        Outage Full           | 
                                                                                                                   
           | 
                                                                                        Purdue Anvil CPU Purdue Anvil GPU           | 
                                                                                                   | 
              
          
                                                                                        | ACCESS Ticket System            | 
                                                                                        Outage Full           | 
                                                                                                                   
           | 
                                                                                        ACCESS Ticket System (JSM or RT)           | 
                                                                                                   | 
              
          
                                                                                        | Anvil Storage Restored           | 
                                                                                        Outage Partial           | 
                                                                                                                   
           | 
                                                                                        Purdue Anvil CPU Purdue Anvil GPU           | 
                                                                                                   | 
              
          
                                                                                        | SDSC Expanse Maintenance May 8-9, 2023             | 
                                                                                        Outage Full           | 
                                                                                                                   
           | 
                                                                                        SDSC Dell Cluster with AMD Rome HDR IB (Expanse) SDSC Dell Cluster with NVIDIA V100 GPUs NVLINK and HDR IB (Expanse GPU)           | 
                                                                                                   | 
              
          
                                                                                        | Bridges-2 Maintenance Wednesday April 26, 2023           | 
                                                                                        Outage Full           | 
                                                                                                                   
           | 
                                                                                        PSC Bridges-2 Extreme Memory (Bridges-2 EM) PSC Bridges-2 GPU (Bridges-2 GPU) PSC Bridges-2 Regular Memory (Bridges-2 RM) PSC Bridges-2 Storage (Bridges-2 Ocean)           | 
                                                                                                   | 
              
          
                                                                                        | SDSC Expanse system status update           | 
                                                                                        Reconfiguration           | 
                                                                                                                   
           | 
                                                                                        SDSC Dell Cluster with AMD Rome HDR IB (Expanse) SDSC Dell Cluster with NVIDIA V100 GPUs NVLINK and HDR IB (Expanse GPU)           | 
                                                                                                   | 
              
          
                                                                                        | Delta maintenance Wednesday April 19th, 2023           | 
                                                                                        Outage Full           | 
                                                                                                                   
           | 
                                                                                        NCSA Delta CPU (Delta CPU) NCSA Delta GPU (Delta GPU) NCSA Delta Storage (Delta Storage)           | 
                                                                                                   | 
              
          
                                                                                        | ACCESS Ticketing System has partial outage           | 
                                                                                        Outage Partial           | 
                                                                                                                   
           | 
                                                                                        ACCESS Ticket System (JSM or RT)           | 
                                                                                                   | 
              
          
                                                                                        | Unscheduled Anvil outage           | 
                                                                                        Outage Partial           | 
                                                                                                                   
           | 
                                                                                        Purdue Anvil CPU Purdue Anvil GPU           | 
                                                                                                   | 
              
          
                                                                                        | TACC Network Maintenance Sunday March 26 2023           | 
                                                                                        Outage Full           | 
                                                                                                                   
           | 
                                                                                        TACC Dell/Intel Knights Landing, Skylake System (Stampede2) TACC Long-term tape Archival Storage (Ranch)           | 
                                                                                                   | 
              
          
                                                                                        | ACCESS Ticket System Transition March 24, 2023           | 
                                                                                        Reconfiguration           | 
                                                                                                                   
           | 
                                                                                        ACCESS Ticket System (JSM or RT)           | 
                                                                                                   | 
              
          
                                                                                        | Anvil Maintenance Tuesday, March 21, 2023 completed           | 
                                                                                        Reconfiguration           | 
                                                                                                                   
           | 
                                                                                        Purdue Anvil CPU Purdue Anvil GPU           | 
                                                                                                   | 
              
          
                                                                                        | ANVIL Scratch Outage           | 
                                                                                        Outage Full           | 
                                                                                                                   
           | 
                                                                                        Purdue Anvil CPU Purdue Anvil GPU           | 
                                                                                                   | 
              
          
                                                                                        | KyRIC Offline for Maintenance - Friday 2/24/2023           | 
                                                                                        Outage Full           | 
                                                                                                                   
           | 
                                                                                        Kentucky Research Informatics Cloud (KyRIC) Large Memory Nodes           | 
                                                                                                   | 
              
          
                                                                                        | Expanse maintenance: 8AM-5PM (PT), Tuesday, Feb 21, 2023           | 
                                                                                        Outage Full           | 
                                                                                                                   
           | 
                                                                                        SDSC Dell Cluster with AMD Rome HDR IB (Expanse) SDSC Dell Cluster with NVIDIA V100 GPUs NVLINK and HDR IB (Expanse GPU)           | 
                                                                                                   | 
              
          
                                                                                        | FASTER Maintenance Wednesday, 8 February 2023           | 
                                                                                        Outage Full           | 
                                                                                                                   
           | 
                                                                                        Texas A&M University Dell Cluster with Intel Ice Lake and LIQID (FASTER)           | 
                                                                                                   | 
              
          
                                                                                        | Stampede2 Status Saturday 28 January 2023           | 
                                                                                        Outage Full           | 
                                                                                                                   
           | 
                                                                                        TACC Dell/Intel Knights Landing, Skylake System (Stampede2)           | 
                                                                                                   | 
              
          
                                                                                        | Delta Notice: Delta projects (taiga) file system currently unavailable            | 
                                                                                        Outage Partial           | 
                                                                                                                   
           | 
                                                                                        NCSA Delta CPU (Delta CPU) NCSA Delta GPU (Delta GPU)           | 
                                                                                                   | 
              
          
                                                                                        | Delta core router preventative maintenance 12-20-2022           | 
                                                                                        Outage Partial           | 
                                                                                                                   
           | 
                                                                                        NCSA Delta GPU (Delta GPU) NCSA Delta CPU (Delta CPU) NCSA Delta Storage (Delta Storage)           | 
                                                                                                   | 
              
          
                                                                                        | ACCESS Metrics XDMoD Update - UPDATED           | 
                                                                                        Outage Partial           | 
                                                                                                                   
           | 
                                                                                        ACCESS Metrics on Demand Service (XDMoD)           | 
                                                                                                   | 
              
          
                                                                                        | Jetstream2: Partial Network Outage           | 
                                                                                        Outage Partial           | 
                                                                                                                   
           | 
                                                                                        Indiana Jetstream2 Indiana Jetstream2 GPU Indiana Jetstream2 Large Memory Indiana Jetstream2 Storage           | 
                                                                                                   | 
              
          
                                                                                        | Jetstream2 rolling updates over the next few days            | 
                                                                                        Reconfiguration           | 
                                                                                                                   
           | 
                                                                                        Indiana Jetstream2 Indiana Jetstream2 GPU Indiana Jetstream2 Large Memory Indiana Jetstream2 Storage           | 
                                                                                                   | 
              
          
                                                                                        | Ranch Storage Expansion Tuesday, 1 November 2022           | 
                                                                                        Outage Partial           | 
                                                                                                                   
           | 
                                                                                        TACC Long-term tape Archival Storage (Ranch)           | 
                                                                                                   | 
              
          
                                                                                        | ACCESS Duo Suspension of Service - UPDATED           | 
                                                                                        Reconfiguration           | 
                                                                                                                   
           | 
                                                                                        ACCESS Identity Management Service           | 
                                                                                                   | 
              
          
                                                                                        | FASTER Maintenance Thursday, Oct. 20, 2022           | 
                                                                                        Outage Full           | 
                                                                                                                   
           | 
                                                                                        Texas A&M University Dell Cluster with Intel Ice Lake and LIQID (FASTER)           | 
                                                                                                   | 
              
          
                                                                                        | CILogon Update for ACCESS Single Sign-On (SSO)           | 
                                                                                        Reconfiguration           | 
                                                                                                                   
           | 
                                                                                        ACCESS Identity Management Service           | 
                                                                                                   |