There will be no staff to deal with any issues on Monday 31st August due to public holidays in the UK. Should these services fail on this day (or over the weekend), no one will be available to fix them until Tuesday 1st September.
EGI.eu
GRIDOPS-APEL
TIERNA
2026-08-28 13:00
2026-09-01 10:30
WARNING
SCHEDULED
There will be no staff to deal with any issues on Monday 31st August due to public holidays in the UK. Should these services fail on this day (or over the weekend), no one will be available to fix them until Tuesday 1st September.
iris.ac.uk
IRISOPS-IAM
TIERNA
2026-08-28 13:00
2026-09-01 10:30
WARNING
SCHEDULED
There will be no staff to deal with any issues on Monday 31st August due to public holidays in the UK. Should these services fail on this day (or over the weekend), no one will be available to fix them until Tuesday 1st September.
EGI.eu
GRIDOPS-ACCPORTAL
TIERNA
2026-08-28 13:00
2026-09-01 10:30
WARNING
SCHEDULED
There will be no staff to deal with any issues on Monday 31st August due to public holidays in the UK. Should these services fail on this day (or over the weekend), no one will be available to fix them until Tuesday 1st September.
ROC_LA
SAMPA
TIERNA
2026-08-25 17:00
2026-09-08 20:00
OUTAGE
UNSCHEDULED
Unable to get free physical space disk on EOS server
NGI_IT
INFN-TRIESTE
TIERNA
2026-08-27 07:00
2026-09-02 12:13
OUTAGE
SCHEDULED
Replacement work on switches and other hardware in the farm room
EGI.eu
GRIDOPS-CheckIn
TIERNA
2026-09-02 06:00
2026-09-02 08:00
OUTAGE
SCHEDULED
EGI Check-in Keycloak Update to version 26.6.3-1.1
NGI_IT
INFN-ROMA3
TIERNA
2026-08-28 18:00
2026-08-31 09:00
OUTAGE
SCHEDULED
Scheduled maintenance on the building’s electrical substation
NGI_SK
FMPhI-UNIBA
TIERNA
2026-08-30 04:00
2026-08-31 19:30
OUTAGE
SCHEDULED
reconstruction work on the power transformer
AsiaPacific
JP-KEK-CRC-02
TIERNA
2026-09-07 03:00
2026-09-07 04:00
WARNING
SCHEDULED
Short network interruptions (up to 10 min) due to upstream switch updates. LHCONE traffic is unaffected, but transient DNS issues may impact services.
AsiaPacific
JP-KEK-CRC-02
TIERNA
2026-09-08 03:00
2026-09-08 04:00
WARNING
SCHEDULED
Short network interruptions (up to 10 min) due to upstream switch updates. LHCONE traffic is unaffected, but transient DNS issues may impact services.
NGI_IT
INFN-ROMA1
TIER2
2026-08-31 06:00
2026-09-01 16:00
WARNING
SCHEDULED
Due to a SAN chassis replacement, some dCache pool nodes will need to be shut down.
AsiaPacific
TW-NTU-CC
TIERNA
2026-08-27 00:00
2026-09-10 00:00
OUTAGE
UNSCHEDULED
Maintenance
ROC_LA
EELA-UTFSM
TIERNA
2026-09-01 07:00
2026-09-01 16:00
OUTAGE
SCHEDULED
ATLAS storage endpoint basepath alignment. WebDAV and XRootD will use the same basepath: /pnfs/hpc.utfsm.cl/atlas
NGI_UA
Kharkov-KIPT-LCG2
TIERNA
2026-08-28 18:00
2026-09-01 18:00
OUTAGE
SCHEDULED
Network maintenance
EGI.eu
GRIDOPS-GOCDB
TIERNA
2026-09-09 08:00
2026-09-09 09:00
WARNING
SCHEDULED
To facilitate removal of old data during this window, these services will be served by the read only failover.
EGI.eu
GRIDOPS-GOCDB
TIERNA
2026-09-09 08:00
2026-09-09 09:00
OUTAGE
SCHEDULED
To facilitate removal of old data, these services will be unavailable during this window.
NGI_DE
UNI-BONN
TIERNA
2026-09-02 06:00
2026-09-02 12:00
OUTAGE
SCHEDULED
Maintenance work
NGI_DE
DESY-HH
TIER2
2026-09-01 07:00
2026-09-01 10:00
OUTAGE
SCHEDULED
hw maintenance of SE elements
NGI_NDGF
FI_HIP_T2
TIER2
2026-08-31 09:00
2026-09-14 19:59
OUTAGE
UNSCHEDULED
The Mahti HPC that snowarc was submitting jobs to is decommissioned.
NGI_NL
BEgrid-ULB-VUB
TIER2
2026-09-08 00:00
2026-09-08 23:00
OUTAGE
SCHEDULED
dCache upgrade
NGI_TR
TR-FC1-ULAKBIM
TIERNA
2026-09-01 00:00
2026-09-02 23:59
OUTAGE
UNSCHEDULED
Storage migration due to elevated errors at hardware level.
NGI_IT
INFN-FRASCATI
TIER2
2026-09-03 07:00
2026-09-03 13:00
OUTAGE
SCHEDULED
storage upgrade
NGI_UA
Kharkov-KIPT-LCG2
TIERNA
2026-09-01 18:00
2026-09-03 14:00
OUTAGE
SCHEDULED
Network maintenance
AsiaPacific
JP-KEK-CRC-02
TIERNA
2026-09-03 00:00
2026-09-03 02:08
WARNING
SCHEDULED
Due to a fan replacement on the DB host server, FTS will be unavailable twice for about 20 minutes each.
NGI_DE
FZK-LCG2
TIER1
2026-09-01 06:00
2026-09-01 13:50
OUTAGE
UNSCHEDULED
Issues with authentication
NGI_DE
KIT-T2
TIERNA
2026-09-01 11:00
2026-09-01 13:50
OUTAGE
UNSCHEDULED
Issues with authentication
EGI.eu
GRIDOPS-GGUS
TIERNA
2026-09-03 07:00
2026-09-03 08:00
OUTAGE
SCHEDULED
GGUS maintenance and update
NGI_DE
UNI-BONN
TIERNA
2026-09-01 18:00
2026-09-02 15:06
OUTAGE
UNSCHEDULED
Power outage
ROC_Canada
CA-VICTORIA-WESTGRID-T2
TIER2
2026-09-01 12:00
2026-09-01 21:37
OUTAGE
UNSCHEDULED
BCNet routing issue affecting site connectivity
NGI_NDGF
NDGF-T1
TIER1
2026-09-08 07:00
2026-09-08 15:00
WARNING
SCHEDULED
Some files unavailable for short periods due to security updates and reboots.
EGI.eu
GRIDOPS-APEL
TIERNA
2026-09-08 12:00
2026-09-08 13:00
OUTAGE
SCHEDULED
There will be a short downtime of the APEL Validation system during this window of time to apply updates.
Russia
JINR-LCG2
TIER2
2026-09-05 05:00
2026-09-05 10:31
OUTAGE
SCHEDULED
Reconfiguration of power lines in the cluster hall
NGI_UK
UKI-SOUTHGRID-RALPP
TIER2
2026-09-14 08:00
2026-09-28 16:00
OUTAGE
SCHEDULED
Draining prior to decommissioning
ROC_Canada
TRIUMF-LCG2
TIER1
2026-09-03 18:00
2026-09-05 17:21
OUTAGE
UNSCHEDULED
Still in debugging a mystious network issues which caused the network unstable of old cluster
NGI_DE
FZK-LCG2
TIER1
2026-09-04 12:00
2026-09-10 12:00
WARNING
UNSCHEDULED
Compute Farm reboot due to security updates
NGI_DE
FZK-LCG2
TIER1
2026-09-08 07:00
2026-09-09 07:00
WARNING
UNSCHEDULED
Maintenance by national network provider on LHCOPN
NGI_DE
KIT-T2
TIERNA
2026-09-08 07:00
2026-09-09 07:00
WARNING
UNSCHEDULED
Maintenance by national network provider on LHCOPN
EGI.eu
GRIDOPS-PERUN
TIERNA
2026-09-30 06:00
2026-09-30 07:00
OUTAGE
SCHEDULED
Upgrade EGI Perun OS to Debian 13
NGI_DE
RWTH-Aachen
TIER2
2026-09-28 06:00
2026-09-28 16:00
OUTAGE
SCHEDULED
dCache upgrade and general maintenance
NGI_UA
UA-BITP
TIERNA
2026-09-08 10:01
2026-09-20 10:00
OUTAGE
UNSCHEDULED
Update certificate
NGI_UK
UKI-SCOTGRID-GLASGOW
TIER2
2026-09-09 11:00
2026-09-09 23:00
WARNING
SCHEDULED
Ceph release update
ROC_LA
SAMPA
TIERNA
2026-09-08 17:30
2026-09-09 16:41
OUTAGE
UNSCHEDULED
Unable to get free physical space disk on EOS server
NGI_IT
INFN-T1
TIER1
2026-09-11 06:00
2026-09-11 16:00
WARNING
SCHEDULED
Maintenance on a controller (replacement of a failed system disk) of one of the four LHCb storage systems (DDN-12). This storage system is fully redundant (dual-controller). During the procedure, one of the controllers will be taken offline, resulting in reduced bandwidth to the affected storage.
NGI_CH
CSCS-LCG2
TIER2
2026-09-09 08:45
2026-09-09 12:21
OUTAGE
UNSCHEDULED
power issue.
NGI_SI
SiGNET
TIER2
2026-09-10 11:00
2026-09-10 15:00
OUTAGE
SCHEDULED
Upgrade of dCache. Service will be intermittently unavailable during this.
NGI_DE
wuppertalprod
TIER2
2026-09-11 01:00
2026-09-11 04:00
WARNING
SCHEDULED
works on the network lines - expect network interruptions
ROC_LA
SAMPA
TIERNA
2026-09-09 18:00
2026-09-10 14:07
OUTAGE
UNSCHEDULED
Unable to get free physical space disk on EOS server
EGI.eu
GRIDOPS-APEL
TIERNA
2026-09-15 08:00
2026-09-15 08:30
OUTAGE
SCHEDULED
There will be a short downtime of the APEL Validation system during this window of time to apply updates.
NGI_DE
FZK-LCG2
TIER1
2026-09-11 19:00
2026-09-12 05:00
WARNING
UNSCHEDULED
Another maintenance by national network provider on LHCOPN
NGI_DE
KIT-T2
TIERNA
2026-09-11 19:00
2026-09-12 05:00
WARNING
UNSCHEDULED
Another maintenance by national network provider on LHCOPN
NGI_NDGF
FI_HIP_T2
TIER2
2026-09-14 09:00
2026-09-14 10:00
WARNING
SCHEDULED
Storage upgrade, files may be unavailable for some periods during the downtime
NGI_FRANCE
IN2P3-CC
TIER1
2026-09-14 07:00
2026-09-14 13:29
OUTAGE
SCHEDULED
HTCondor UPDATE
NGI_CH
UNIBE-LHEP
TIERNA
2026-09-12 11:35
2026-09-12 15:35
OUTAGE
UNSCHEDULED
LAN outage
NGI_DE
UNI-FREIBURG
TIER2
2026-09-14 18:00
2026-09-15 16:00
OUTAGE
SCHEDULED
yearly central UPS powercut test
NGI_CH
UNIBE-LHEP
TIERNA
2026-09-13 19:32
2026-09-13 23:32
OUTAGE
UNSCHEDULED
Further maintenance for ARC
AsiaPacific
JP-KEK-CRC-02
TIERNA
2026-09-29 00:00
2026-11-10 00:00
WARNING
SCHEDULED
Decommissioning ARC-CE (ARC6 on RHEL7) - See more GGUS #1003863
AsiaPacific
JP-KEK-CRC-02
TIERNA
2026-09-29 00:00
2026-11-10 00:00
WARNING
SCHEDULED
Decommissioning Top-BDII and Site-BDII - See more GGUS #1003864
NGI_UA
UA-BITP
TIERNA
2026-09-14 09:00
2026-09-30 00:00
OUTAGE
UNSCHEDULED
Software update
ROC_Canada
AU-Melbourne
TIERNA
2026-09-21 00:00
2026-09-22 08:00
WARNING
SCHEDULED
Data centre operators are rebooting all hypervisors underpinning the AU-Melbourne site in response to a security issue. AU-Melbourne VMs will each be shutdown at some point during the downtime window. Per-VM shutdown times have not been provided. Each VM may be offline for up to one hour.
NGI_IT
INFN-T1
TIER1
2026-09-21 07:00
2026-09-21 16:00
OUTAGE
SCHEDULED
ce01-htc migration to new virtualization infrastructure
NGI_IT
INFN-T1
TIER1
2026-09-24 07:00
2026-09-24 16:00
OUTAGE
SCHEDULED
ce03-htc migration to new virtualization infrastructure
NGI_IT
INFN-T1
TIER1
2026-09-28 07:00
2026-09-28 16:00
OUTAGE
SCHEDULED
ce04-htc migration to new virtualization infrastructure
NGI_IT
INFN-T1
TIER1
2026-10-01 07:00
2026-10-01 16:00
OUTAGE
SCHEDULED
ce05-htc migration to new virtualization infrastructure
NGI_IT
INFN-T1
TIER1
2026-10-05 07:00
2026-10-05 16:00
OUTAGE
SCHEDULED
ce06-htc migration to new virtualization infrastructure
NGI_DE
FZK-LCG2
TIER1
2026-09-23 06:00
2026-09-23 16:00
OUTAGE
SCHEDULED
HPSS Tape System Downtime for Updates
ROC_LA
CBPF
TIERNA
2026-09-16 03:00
2026-09-16 17:23
OUTAGE
SCHEDULED
system upgrade security
NGI_NDGF
FI_HIP_T2
TIER2
2026-09-14 21:00
2026-10-02 20:59
OUTAGE
UNSCHEDULED
Snowarc was submitting to the Mahti HPC which was decommisioned. Snowarc will be reconfigured and reused.
ROC_Canada
TRIUMF-LCG2
TIER1
2026-09-16 16:00
2026-09-16 22:00
OUTAGE
SCHEDULED
upgrade dCache and PostgreSQL
EGI.eu
GRIDOPS-CheckIn
TIERNA
2026-09-17 06:00
2026-09-17 06:15
OUTAGE
SCHEDULED
EGI Check-in Keycloak Update to version 26.6.3-1.2
NGI_FRANCE
GRIF
TIER2
2026-09-23 06:30
2026-09-23 14:30
OUTAGE
SCHEDULED
EOS UPDATE 5.5.1
NGI_IT
INFN-COSENZA
TIERNA
2026-09-16 10:00
2026-09-21 21:02
OUTAGE
SCHEDULED
Chiller Purchase
NGI_IT
INFN-COSENZA
TIERNA
2026-09-15 10:00
2026-09-21 21:02
OUTAGE
UNSCHEDULED
Chiller Purchase
AsiaPacific
TW-FTT
TIER2
2026-09-19 10:00
2026-09-22 12:43
OUTAGE
SCHEDULED
High-voltage switchgear maintenance
NGI_DE
UNI-FREIBURG
TIER2
2026-09-15 16:00
2026-09-16 06:00
OUTAGE
UNSCHEDULED
HW swapped
EGI.eu
EGI-NOTEBOOKS
TIERNA
2026-09-17 09:00
2026-09-17 10:00
WARNING
UNSCHEDULED
EGI Notebooks upgrade
NGI_NDGF
FI_HIP_T2
TIER2
2026-09-16 11:00
2026-09-18 11:38
OUTAGE
UNSCHEDULED
Investigating and fixing job submission failing after SLURM/ARC update.
ROC_Canada
TRIUMF-LCG2
TIER1
2026-09-16 22:00
2026-09-16 22:18
OUTAGE
UNSCHEDULED
Need more time for the maintenance on storage
AsiaPacific
TOKYO-LCG2
TIER2
2026-09-26 00:00
2026-09-28 07:46
OUTAGE
SCHEDULED
Annual power outage for the maintenance of building power equipment
NGI_NDGF
NDGF-T1
TIER1
2026-09-28 05:30
2026-10-02 15:00
OUTAGE
SCHEDULED
Upgrades (firmware, OS, ARC, SLURM)
NGI_DE
DESY-HH
TIER2
2026-09-18 09:00
2026-09-18 16:00
WARNING
UNSCHEDULED
hw maintenance of an ATLAS storage pool - files on this machine will not be available, files on other storage servers are not affected
NGI_DE
DESY-HH
TIER2
2026-09-18 10:00
2026-09-18 16:00
WARNING
UNSCHEDULED
hw maintenance of an ATLAS storage pool - files on this machine will not be available, files on other storage servers are not affected
NGI_UA
Kharkov-KIPT-LCG2
TIERNA
2026-09-19 08:00
2026-09-19 14:15
OUTAGE
UNSCHEDULED
Network maintenance
NGI_UA
Kharkov-KIPT-LCG2
TIERNA
2026-09-20 08:00
2026-09-20 08:01
OUTAGE
SCHEDULED
Network maintenance
NGI_UA
Kharkov-KIPT-LCG2
TIERNA
2026-09-22 06:00
2026-09-22 16:35
OUTAGE
SCHEDULED
power cut
NGI_IT
INFN-PISA
TIER2
2026-09-20 18:00
2026-09-22 08:00
OUTAGE
UNSCHEDULED
HW problem of storage infratsructure
NGI_IT
INFN-PISA
TIER2
2026-09-22 10:00
2026-09-25 23:00
OUTAGE
SCHEDULED
HW problem of storage infratsructure
NGI_DE
SCAI
TIERNA
2026-09-21 12:10
2026-10-31 00:00
WARNING
UNSCHEDULED
Ongoing major infrastructure updates. Systems are temporarily offline. Thank you for your patience.
NGI_RO
RO-14-ITIM
TIER2
2026-09-21 11:42
2026-09-25 05:48
OUTAGE
UNSCHEDULED
squid is down, Harddisk is broken, we need to change and reinstall the whole system
NGI_UK
UKI-SOUTHGRID-RALPP
TIER2
2026-09-21 13:00
2026-09-22 16:00
WARNING
UNSCHEDULED
Hardward failure on one disk server, some data is not accessible
Russia
JINR-LCG2
TIER2
2026-09-23 06:00
2026-09-24 06:20
OUTAGE
SCHEDULED
dCache upgrade to 11.2
AsiaPacific
JP-KEK-CRC-02
TIERNA
2026-09-23 23:00
2026-09-23 23:54
WARNING
SCHEDULED
The service will be intermittently unavailable during the upgrade to ARC 7.2.0 and configuration changes to stabilise token authentication and correct accounting records.
ROC_Canada
AU-Melbourne
TIERNA
2026-09-22 08:00
2026-09-23 08:00
WARNING
UNSCHEDULED
At 07:18 UT (around 15 minutes ago) an email was sent to indicate that some issues have delayed the hypervisor reboots by our hosting data centre which were covered by downtime 38257. As a result, the hypervisor reboots will now apparently extend over an additional 24 hours. This new downtime documents this extension. Unfortunately the notification from the data centre was only sent 45 minutes before the expected end of the original downtime (around 15 minutes ago), which means it was impossible to provide 24 hours notice of this. In the circumstances, this unscheduled downtime declaration is the best we can do. As for downtime 38257, each VM could be down for up to 1 hour, with no indication given as to when each VM will be shut down and rebooted.
NGI_CH
CSCS-LCG2
TIER2
2026-09-25 07:00
2026-09-25 07:45
OUTAGE
SCHEDULED
planned maintenance
NGI_UK
UKI-SOUTHGRID-RALPP
TIER2
2026-09-22 16:30
2026-09-25 16:00
WARNING
UNSCHEDULED
Ongoing hardware failure on one disk server, some data is not accessible
NGI_FRANCE
GRIF
TIER2
2026-10-05 04:00
2026-10-05 12:00
WARNING
SCHEDULED
Some files will be temporarily unavailable due to electrical maintenance at GRIF-LPNHE
NGI_FRANCE
GRIF
TIER2
2026-10-05 04:00
2026-10-05 16:00
OUTAGE
SCHEDULED
Electrical maintenance at GRIF-LPNHE
NGI_DE
LRZ-LMU
TIER2
2026-10-07 13:00
2026-10-09 04:00
OUTAGE
SCHEDULED
dCache core server migration to a new server
NGI_DE
FZK-LCG2
TIER1
2026-09-23 16:00
2026-09-23 18:00
OUTAGE
UNSCHEDULED
Downtime extension for #38263
NGI_DE
FZK-LCG2
TIER1
2026-09-23 18:00
2026-09-23 19:23
OUTAGE
UNSCHEDULED
Another downtime extension for #38263
NGI_DE
FZK-LCG2
TIER1
2026-09-25 08:00
2026-09-29 15:00
WARNING
SCHEDULED
Compute Farm reboot due to security updates
ROC_Canada
CA-WATERLOO-T2
TIERNA
2026-09-24 17:30
2026-09-24 20:00
OUTAGE
UNSCHEDULED
dCache pool volume down
CERN
CERN-PROD
TIER0
2026-10-08 07:45
2026-10-08 08:45
OUTAGE
SCHEDULED
CTA Service unavailable during database intervention (see https://cern.service-now.com/service-portal?id=outage&n=OTG0163362)
Russia
JINR-T1
TIERNA
2026-09-28 06:00
2026-09-29 14:00
OUTAGE
SCHEDULED
MSS dCache upgrade to 11.2
Russia
JINR-T1
TIERNA
2026-09-28 06:00
2026-09-29 14:00
OUTAGE
UNSCHEDULED
MSS dCache upgrade to 11.2
iris.ac.uk
IRISOPS-IAM
TIERNA
2026-10-13 07:30
2026-10-13 08:30
WARNING
SCHEDULED
IRIS IAM Upgrade to v1.14.4 - 13th Oct 2026 (Tue) 0830AM - 0930AM (Europe/London)