As part of our annual programme of Disaster Recovery (DR) and resilience testing, Xoserve will be conducting the UK Link Disaster Recovery Test this weekend (17th – 19th August 2018). This is a test to prove the DR capabilities and procedures of UK Link, and will be managed end-to-end by Xoserve.
There will be a service outage between the following times:
- UK Link Portal and the Contact Management Service (CMS) Friday 17th August 23:00 UK BST to Saturday 18th August 10:00 UK BST (failover to DR site)
- UK Link Portal Saturday 18th August 23:00 UK BST to Sunday 19th August 07:00 UK BST (failback to primary site)
Please note the following system impacts:
UK Link – Shippers can continue to send files to Xoserve via the IX network. These files will be held and processed once the system is available. Please note that files may be delayed until processing has been completed.
Contact Management Service (CMS) – There will be an extended outage to the CMS between Friday 17th August 23:00 UK BST to Saturday 18th August 10:00 UK BST only. Files sent to/from the CMS system will be held for the duration of the outage and will be released and processed once the system is available.
Data Enquiry Service (DES) – The Data Enquiry Service dataset will be at D-2 when the system is released at 10:00 on Saturday 18th August and 07:00 on Sunday 19th August. The system will return to D-1 once catch-up activities have been completed.
Gemini – The following NDM gas nominations (Demand Publication) will be impacted. During this period Gemini will utilise the previous weather values as of 16:00 UK BST:
Gas Flow Days 17/08/18 and 18/08/18 published at 00:00 on 18/08/18 will contain the same values as 16:00 on 17/08/18.
Gas Flow Day 18/08/18 published at 10:00 on 18/08/18 will contain the same values as 16:00 on 17/08/18.
Gas Flow Day 18/08/18 and 19/08/18 published at 00:00 on 19/08/18 will contain the same values as 16:00 on 18/08/18.
MIPI – No new forecast weather in MIPI at 23:00 UK BST on Friday for Gas Day Friday 17th and Saturday 18th August.
No new forecast weather in MIPI at 08:00 UK BST on Saturday 18th August for that Gas Day.
No new forecast weather in MIPI at 23:00 UK BST on Saturday for Gas Day Saturday 18th and Sunday 19th August.
There will be a delay in the publication of actual weather data for Gas Day Friday 17th August in MIPI, this data will be published late morning on 18th August. If a delay to the DR failback occurs, there will be a delay in the publication of actual weather data for Gas Day Friday 18th August in MIPI, this data will be published late morning on 19th August.
Updates will be available in Latest News and via the Xoserve Service Desk on 0845 600 0506.
If you require any further information or have any questions, please email firstname.lastname@example.org.