Category Archives: User Information

Sunbird Unavailable – 18th July for three weeks

– Sunbird will go offline on Monday 18th July for a period of three weeks to allow for maintenance. This has been extended from two weeks due to overrunning supplier work. – Users will not be able to access Sunbird or submit/run jobs for the duration of these weeks. – Any projects with urgent compute […]


Hawk Unavailable 09/03/2022

This is an important announcement to inform you of upcoming planned Hawk maintenance scheduled for Wednesday 9th March that will require a service outage. The disruption to service will be necessary in order perform maintenance on the Hawk storage systems. During the maintenance period user login will be blocked on the Hawk login nodes and […]


Sunbird unavailable 10/02 ->12/02

Due to emergency repairs to the cooling system, the Sunbird computingfacility will be unavailable from 6am on Wednesday 10th February untilFriday 12th February. An exact resumption time will depend upon completion of the works. We apologise for the inconvenience.


Supercomputing Wales hub services unavailable, 17-20 July 2020

Due to essential power supply maintenance affecting the entire Cardiff Redwood building during the weekend of 18-19 July, the Supercomputing Wales hub at Cardiff (‘Hawk’) and associated services will be unavailable from 3pm on Friday, 17 July until approximately 12pm, on Monday 20 July. The work taking place involves high-voltage systems and, as such, necessitates […]


Hawk Maintenance 1st July 2020

We are scheduling an at risk/partial maintenance period for the Hawk cluster next Wednesday (July 1st) 0900-1800. At least three potentially disruptive (to varying degrees) activities will be taking place: i) system security enhancements ii) remounting of external storage and maintenance of scratch re-exporter (affects webmo/smartlink) iii) security penetration testing of the Hawk system (more details […]


Hawk Phase 2 (Updated 13/01/2020)

TL;DR Hawk service at-risk for the weeks of the 9th and 16th December Hawk Lustre expansion re-scheduled for Tuesday 28th January 2020, compute will be unavailable. Users should backup important scratch data in advance. Datacentre power testing on 17th December now complete. Hawk will shortly be undergoing a Phase 2 Expansion which will provide Hawk […]


Hawk Regular Maintenance Outage 3rd July 2019

Hawk will undergo a system maintenance outage on Wednesday 3rd July from 9AM until 6PM. This biannual outage enables us to update hardware & software elements to latest supported and performance levels. Unfortunately a total system outage is necessary to do this. Jobs that will not complete before the outage will not be started until […]


Sunbird Routine Maintenance Schedule & 13th Feb Outage

Now Sunbird is in full production, it is important to have a routine maintenance window to undertake core updates and modifications to the computing infrastructure. This will be a regular monthly maintenance window scheduled for the second Wednesday of each month. The initial session is planned for Wednesday 13th February, 9AM-6PM during which time the […]


Hawk Routine Maintenance Schedule & 6th Feb Outage

Now Hawk is in full production, it is important to have a routine maintenance window to undertake core updates and modifications to the computing infrastructure. This will be a regular monthly maintenance window scheduled for the first Wednesday of each month. The initial session is planned for Wednesday 6th February, during which time the cluster should […]