On Tuesday 18th November 2025, during the migration of data in the CEDA Archive, a mistake was made that resulted in just over 3PB out of 27PB being removed from the online archive. This is a final update on this incident, with follow-on work now incorporated into business-as-usual activities, like ongoing investigation of corrupt files. ...

Please note the following updates for your attention: Important information for IDL users Interactive jobs vs sci servers JASMIN scheduled maintenance day Tuesday 14th July Storage migration progress and reminder to use new paths Security advice Important information for IDL users If you are a user of the IDL software on JASMIN, you should have received an email with important information about ongoing provision of IDL on JASMIN. If you haven’t received this, please contact support@jasmin.ac.uk as soon as possible. ...

Please note the following updates for your attention: New high memory nodes (6TB RAM) added to LOTUS ORCHID restructured - new resource limit and new Slurm partition LOTUS restructured - new interactive partition (pilot) JASMIN scheduled maintenance day Tuesday 14th April Closure of legacy VIO7 cloud platform Storage migration progress XFC guidance update Easter holiday period New high memory nodes A set of high memory nodes was added to the LOTUS cluster. Each node has 6TB of physical memory and 192 CPU cores. This is considered a special resource and access is controlled via the access role additional services : lotus-special on the JASMIN accounts portal. A new partition called special is able to submit jobs to the new set of nodes, with access controlled by holding the above access role. Further details of the special partition including resource limits/QoS are documented here . ...

Please note the following updates for your attention: New high memory nodes (6TB RAM) added to LOTUS ORCHID restructured - new resource limit and new Slurm partition LOTUS restructured - new interactive partition (pilot) JASMIN scheduled maintenance day Tuesday 14th April Closure of legacy VIO7 cloud platform Storage migration progress New high memory nodes A set of high memory nodes was added to the cluster LOTUS. Each node has 6TB of physical memory and 192 CPU cores. This is considered a special resource and access is controlled via the access role additional services : lotus-special on the JASMIN accounts portal. A new partition called special is able to submit jobs to the new set of nodes, with access controlled by holding the above access role. Further details of the special partition including resource limits/QoS are documented here . ...

Dear JASMIN Users, We are making some changes to the software environments provided by the JASMIN notebook service, in order to make it more compatible with the environment on the rest of JASMIN. The environments provided on the notebook service will now be identical to that provided on the sci machines and LOTUS. ...

Dear users, We have an update to share with you regarding our progress on the Archive data incident that occurred on the 18th November 2025. ...

We are pleased to announce that a new dataset from the Met Office: Crowd-Grid is now available in the CEDA Archive. ...

This is an update on the Archive data incident that occurred on 18th November 2025 - see previous updates here. We are making good progress with recovering data back into the Archive and have made significant progress. Over 1.6 Petabytes of data have been recovered to a holding area - 1.3 Petabytes of this has now been moved to its correct location in the Archive. Most of this should now be available to users - we are doing some final checks for data permissions. ...

Dear JASMIN and CEDA users, This message includes information about JASMIN and CEDA support arrangements over the Christmas period and important updates on JASMIN services: ...