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Virtualisation host reboot Friday 7 Feb AM: virtual machines affected

The below work has now been completed and all services are back to normal. 

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An issue has been identified with one of the hypervisors (virtualisation servers) which hosts a number of CEDA and JASMIN virtual machines.

A reboot of the hypervisor is needed to clear the issue but this will mean that some or all of the following virtual machines are not available for some time (hopefully a few seconds, but could be a few minutes) tomorrow morning Friday 7th Feb 2020 around 09:00.

This would result in interruptions to service(s) running on these machines.

The VMs affected are:
slcs2.ceda.ac.uk
securitydb1.ceda.ac.uk
rsg-nrt1.cems.rl.ac.uk
rbq1.ceda.ac.uk
rancher2.jc.rl.ac.uk
nrt-atmos-prod.cems.rl.ac.uk
k8s-node03.ceda.ac.uk
jasmin-es3.ceda.ac.uk
esgf-index6.ceda.ac.uk
es10.ceda.ac.uk
deposit2.ceda.ac.uk
csw1.ceda.ac.uk
cci-odp-data-staging.ceda.ac.uk
backup8.ceda.ac.uk
backup3.ceda.ac.uk
arrivals2.ceda.ac.uk
archdash1.ceda.ac.uk

Many of these are not outward-facing machines but are used for components of the CEDA and JASMIN service infrastructure, so there could be some knock-on effects on services.

We apologise for any inconvenience this may cause, and thank you in advance for your cooperation.
JASMIN Team

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