T2_FI_HIP: Complete update of the kale computing nodes to Almalinux
NGI_UA
Kharkov-KIPT-LCG2
TIERNA
2025-11-22 16:00
2026-11-21 00:00
OUTAGE
SCHEDULED
force majeure
NGI_DE
DESY-HH
TIER2
2026-01-06 04:30
2026-01-06 07:30
OUTAGE
SCHEDULED
critical service failover test - all non critical services without WAN access during the tests, CEs and SEs will be up, but without access to/from the outside
NGI_DE
DESY-HH
TIER2
2026-01-06 07:30
2026-01-06 13:44
OUTAGE
SCHEDULED
grace period after critical service failover test followed by maintenance of various services - see also https://goc.egi.eu/portal/index.php?Page_Type=Downtime&id=37327
NGI_IT
INFN-NAPOLI-ATLAS
TIER2
2025-12-03 18:00
2026-01-16 18:00
OUTAGE
SCHEDULED
Due to technical and adminitrative issues the works for cooling upgrade were stopped. The date of conclusion is out of our control (it has been moved forward several times), so we set another long DT
NGI_DE
RWTH-Aachen
TIER2
2025-12-08 07:00
2026-01-30 23:00
OUTAGE
SCHEDULED
Configuration
NGI_DE
DESY-HH
TIER2
2026-01-04 17:00
2026-01-06 04:00
WARNING
SCHEDULED
draining CE for maintenance downtime on Jan.06 - see https://goc.egi.eu/portal/index.php?Page_Type=Downtime&id=37327
iris.ac.uk
IRISOPS-IAM
TIERNA
2026-01-06 08:30
2026-01-06 09:30
WARNING
SCHEDULED
IRIS IAM Upgrade to v1.13.2 - 06 Jan 2026 (Tuesday) from 8:30-9:30 AM (Europe/London)
ROC_LA
CBPF
TIERNA
2025-12-11 17:00
2025-12-31 03:00
OUTAGE
SCHEDULED
system upgrade
EGI.eu
GRIDOPS-GOCDB
TIERNA
2025-12-24 15:30
2026-01-05 10:30
WARNING
SCHEDULED
Due to the winter break, these services will be minimally supported during this window.
EGI.eu
GRIDOPS-APEL
TIERNA
2025-12-24 15:30
2026-01-05 10:30
WARNING
SCHEDULED
Due to the winter break, these services will be minimally supported during this window.
iris.ac.uk
IRISOPS-IAM
TIERNA
2025-12-24 15:30
2026-01-05 10:30
WARNING
SCHEDULED
Due to the winter break, these services will be minimally supported during this window.
ROC_LA
CBPF
TIERNA
2025-12-31 03:00
2026-01-07 14:14
OUTAGE
SCHEDULED
system upgrade
NGI_NL
BelGrid-UCL
TIER2
2026-01-09 07:00
2026-01-15 17:00
OUTAGE
SCHEDULED
We need to make several major changes to our cluster: replace network switches, modify the network configuration on all grid service endpoints, and move several computing and storage servers from one rack to another.
NGI_UK
UKI-NORTHGRID-SHEF-HEP
TIER2
2025-12-22 12:00
2025-12-23 23:59
OUTAGE
SCHEDULED
Building Power being turned off.
NGI_SK
IEPSAS-Kosice
TIERNA
2026-01-20 07:30
2026-01-20 13:57
OUTAGE
SCHEDULED
dCache upgrade
AsiaPacific
JP-KEK-CRC-02
TIERNA
2026-01-06 04:00
2026-01-06 05:23
OUTAGE
SCHEDULED
Computing service availability will be degraded due to maintenance on ARC CEs. Updates include IB firmware, and kernel.
AsiaPacific
JP-KEK-CRC-02
TIERNA
2026-01-07 04:00
2026-01-07 05:42
OUTAGE
SCHEDULED
Computing service availability will be degraded due to maintenance on ARC CEs. Updates include IB firmware, and kernel.
NGI_IBERGRID
IFIC-LCG2
TIER2
2025-12-22 07:00
2025-12-22 13:29
OUTAGE
SCHEDULED
HT-Condor Upgrade
NGI_FRANCE
IN2P3-IRES
TIER2
2025-12-20 22:00
2025-12-22 19:00
OUTAGE
SCHEDULED
Certificate issue
ROC_Canada
CA-SFU-T2
TIERNA
2026-01-12 15:00
2026-01-13 05:19
OUTAGE
SCHEDULED
Downtime for a Lustre upgrade and all worker nodes NVME firmware upgrade
NGI_UK
UKI-NORTHGRID-MAN-HEP
TIER2
2026-01-12 08:00
2026-01-26 16:00
OUTAGE
SCHEDULED
Rack replacement
NGI_DE
FZK-LCG2
TIER1
2025-12-22 00:00
2025-12-22 10:04
OUTAGE
UNSCHEDULED
Cooling failure
NGI_IBERGRID
CIEMAT-LCG2
TIER2
2025-12-29 08:00
2025-12-29 13:00
OUTAGE
SCHEDULED
Hardware intervention in our HTCondor cluster
NGI_NDGF
T2_Estonia
TIER2
2025-12-29 16:00
2026-01-03 21:00
OUTAGE
SCHEDULED
Generic maintenance
NGI_IL
WEIZMANN-LCG2
TIER2
2026-01-05 07:00
2026-01-05 10:41
OUTAGE
SCHEDULED
Replacement of the gateway/firewall
AsiaPacific
KR-KNU-T3
TIERNA
2026-01-10 06:00
2026-01-10 11:00
OUTAGE
SCHEDULED
Building Electrical Maintenance
ROC_Canada
CA-WATERLOO-T2
TIERNA
2026-01-01 05:00
2026-03-07 04:59
OUTAGE
UNSCHEDULED
Site reconfiguration during new year continues
EGI.eu
EGI-NOTEBOOKS
TIERNA
2026-01-02 12:30
2026-01-02 17:00
OUTAGE
UNSCHEDULED
Issue with hosting OpenStack causing service disruption
NGI_NL
SARA-MATRIX
TIER1
2026-01-06 08:00
2026-01-06 13:10
OUTAGE
UNSCHEDULED
OS upgrade and security patches Tape system
EGI.eu
GRIDOPS-GOCDB
TIERNA
2026-01-07 09:00
2026-01-07 09:30
WARNING
SCHEDULED
These systems will be routinely patched and rebooted during this time. As such, they will be unavailable for approximately 15 minutes during this window.
NGI_IBERGRID
IFIC-LCG2
TIER2
2026-01-07 07:00
2026-01-07 14:22
OUTAGE
SCHEDULED
HT-Condor Upgrade
NGI_TR
TR-FC1-ULAKBIM
TIERNA
2026-01-09 06:30
2026-01-11 20:59
OUTAGE
SCHEDULED
Site networking will be moved to a larger subnet for ease of maintenance and expansion.
NGI_NDGF
FI_HIP_T2
TIER2
2026-01-08 10:00
2026-02-06 21:59
WARNING
SCHEDULED
T2_FI_HIP: Complete update of the kale computing nodes to Almalinux
EGI.eu
GRIDOPS-CTOOLS
TIERNA
2026-01-07 06:00
2026-01-07 06:10
OUTAGE
UNSCHEDULED
EGI Jira and Confluence services hosts reboot for upgrade
AsiaPacific
JP-KEK-CRC-02
TIERNA
2026-01-14 00:00
2026-01-14 03:43
OUTAGE
SCHEDULED
Full service outage of fts.cc.kek.jp, including FTS server, REST, and Web Monitoring, due to software upgrade to v3.14 and backend DB migration from MariaDB 10.5 to MySQL 8.0
ROC_LA
EELA-UTFSM
TIERNA
2026-01-08 00:30
2026-01-08 21:30
OUTAGE
UNSCHEDULED
certs problems
ROC_LA
EELA-UTFSM
TIERNA
2026-01-09 01:00
2026-01-09 01:27
OUTAGE
SCHEDULED
certs problems
NGI_CH
T3_CH_PSI
TIERNA
2026-01-09 15:00
2026-01-12 15:00
OUTAGE
SCHEDULED
PSI Data Center Maintenance
NGI_NL
SARA-MATRIX
TIER1
2026-01-09 10:00
2026-01-09 11:00
WARNING
UNSCHEDULED
Netwerk maintenance. Should be transparent.
NGI_UK
UKI-LT2-IC-HEP
TIER2
2026-01-09 10:00
2026-01-11 18:40
OUTAGE
UNSCHEDULED
condor upgrade testing
NGI_NDGF
NDGF-T1
TIER1
2026-01-12 08:00
2026-01-12 15:00
WARNING
SCHEDULED
Couple dcache pools unavailable due to hardware replacement
NGI_UK
UKI-LT2-IC-HEP
TIER2
2026-01-13 09:00
2026-01-14 14:54
OUTAGE
SCHEDULED
HTCondorCE upgrade
NGI_NDGF
NDGF-T1
TIER1
2026-01-13 08:40
2026-01-13 15:00
WARNING
SCHEDULED
Couple dcache pools unavailable due to hardware replacement - Supermicro technician rescheduled
NGI_DE
UNI-BONN
TIERNA
2026-01-14 00:00
2026-06-01 00:00
OUTAGE
SCHEDULED
No jobs running: no APEL reports for now from UNI-BONN
NGI_UK
UKI-LT2-QMUL
TIER2
2026-01-12 15:20
2026-01-13 17:00
OUTAGE
UNSCHEDULED
host cert out of date
NGI_DE
LRZ-LMU
TIER2
2026-01-21 22:00
2026-01-22 09:00
OUTAGE
SCHEDULED
dCache major upgrades
NGI_NDGF
NDGF-T1
TIER1
2026-01-14 07:30
2026-01-14 10:30
OUTAGE
SCHEDULED
Power maintenance. All Bluegrass services down.
NGI_NDGF
NDGF-T1
TIER1
2026-01-14 07:30
2026-01-14 10:30
WARNING
SCHEDULED
Power maintenance in computer room in Linköping/NSC. Some Atlas and Alice data unavailable for a few hours.
NGI_NL
SARA-MATRIX
TIER1
2026-01-13 08:15
2026-01-13 11:29
OUTAGE
UNSCHEDULED
Tape system downgrade. The current software version contains a bug that impacts availability for users, so we are downgrading to a previous, more stable version.
NGI_NDGF
NDGF-T1
TIER1
2026-01-13 08:32
2026-01-14 08:30
OUTAGE
UNSCHEDULED
Unscheduled power outage. System down until the scheduled power outage tomorrow is complete...
EGI.eu
GRIDOPS-MSG
TIERNA
2026-01-15 08:00
2026-01-15 08:30
WARNING
SCHEDULED
disable the url key parameter authentication mechanism for AMS (https://jira.egi.eu/projects/IMSCHM/issues/IMSCHM-325)
NGI_CZ
CESNET-MCC
TIERNA
2026-02-01 00:00
2026-03-31 23:59
OUTAGE
SCHEDULED
CESNET-MCC decommissioning till cloud site is fully suspended in GOC, see GGUS-Ticket-ID: #1001543 for more information
NGI_UK
RAL-LCG2
TIER1
2026-01-29 08:00
2026-01-29 17:00
OUTAGE
SCHEDULED
RAL WLCG Tape Robot Maintenance
ROC_Canada
TRIUMF-LCG2
TIER1
2026-01-14 18:00
2026-01-14 21:36
OUTAGE
UNSCHEDULED
Emergency outage. Several storage servers down, possible network hardware issue.
AsiaPacific
JP-KEK-CRC-02
TIERNA
2026-01-15 00:00
2026-01-15 04:18
OUTAGE
UNSCHEDULED
Full service outage of fts.cc.kek.jp, including FTS server, REST, and Web Monitoring, due to software upgrade to v3.14 and backend DB migration from MariaDB 10.5 to MySQL 8.0
NGI_RO
RO-03-UPB
TIERNA
2026-01-19 00:00
2026-01-30 20:00
OUTAGE
SCHEDULED
Capacity upgrade
NGI_IT
INFN-NAPOLI-ATLAS
TIER2
2026-01-16 18:00
2026-01-30 18:00
OUTAGE
SCHEDULED
Due to technical and adminitrative issues the works for cooling upgrade were stopped. The date of conclusion is out of our control (it has been moved forward several times), so we set another long DT
NGI_UK
UKI-SOUTHGRID-BRIS-HEP
TIER2
2026-01-16 17:00
2026-02-02 09:00
OUTAGE
SCHEDULED
Maintenance of storage system
NGI_UK
UKI-LT2-QMUL
TIER2
2026-01-22 14:00
2026-01-22 17:00
WARNING
SCHEDULED
kernel updates
NGI_UK
UKI-LT2-Brunel
TIER2
2026-01-18 07:00
2026-01-18 18:15
OUTAGE
SCHEDULED
Networks Firewall Update
ROC_Canada
CA-VICTORIA-WESTGRID-T2
TIER2
2026-01-17 20:30
2026-01-18 20:30
OUTAGE
UNSCHEDULED
data center power outage
ROC_Canada
CA-UVic-Cloud
TIERNA
2026-01-17 00:00
2026-01-20 00:26
OUTAGE
UNSCHEDULED
unexpected power outage of the whole data centre
ROC_LA
EELA-UTFSM
TIERNA
2026-01-20 12:00
2026-01-22 12:00
OUTAGE
SCHEDULED
UPS/HVAC/Electrical Mantenance
NGI_UK
RAL-LCG2
TIER1
2026-01-20 12:15
2026-01-28 12:00
WARNING
SCHEDULED
Squid 01-06 running at risk during background upgrade work.
NGI_DE
FZK-LCG2
TIER1
2026-01-21 08:00
2026-01-21 16:00
OUTAGE
SCHEDULED
Tape downtime for system updates. dCache endpoints will remain online, but all tape activities will be stalled.
NGI_IBERGRID
ifae
TIER2
2026-01-20 08:00
2026-01-20 13:00
WARNING
UNSCHEDULED
Physical intervention one two racks with dcache pools.
NGI_IBERGRID
pic
TIER1
2026-01-20 09:00
2026-01-20 14:00
WARNING
UNSCHEDULED
Physical intervention one two racks with dcache pools.
NGI_UK
UKI-LT2-RHUL
TIER2
2026-01-19 14:30
2026-01-19 20:16
OUTAGE
UNSCHEDULED
Unplanned network service outage affecting both primary and backup links.
NGI_IBERGRID
UAM-LCG2
TIER2
2026-02-02 07:00
2026-02-02 14:00
WARNING
SCHEDULED
Network backbone work window
NGI_IBERGRID
UAM-LCG2
TIER2
2026-01-27 11:00
2026-01-27 15:00
OUTAGE
SCHEDULED
Head switch firmware update
NGI_DE
FZK-LCG2
TIER1
2026-01-21 10:00
2026-01-26 12:00
WARNING
SCHEDULED
Compute Farm reboot due to security updates
NGI_FRANCE
IN2P3-LPC
TIER2
2026-01-21 07:00
2026-01-21 16:00
OUTAGE
UNSCHEDULED
Reboot for security kernel update
ROC_LA
CBPF
TIERNA
2026-01-21 12:30
2026-01-30 12:30
OUTAGE
SCHEDULED
Electrical maintenance
NGI_NDGF
NDGF-T1
TIER1
2026-01-22 07:00
2026-01-22 16:00
WARNING
SCHEDULED
dcache pool upgrades. some files may be unavailable for short periods.