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While the Redmond executioner was bringing the axe down on the neck of Azure Party Clusters, an Ubuntu security update has done the same to the Azure cloud's Service Fabric Linux Clusters.
Problems began with a security update made on February 6 to Ubuntu Xenial (the 16.04 LTS) which arrived via the usual public Ubuntu package sources. According to Microsoft, something in that package made Service Fabric’s Image Builder process very poorly.
Image - Builder - Provision - Applications - Service
Image Builder is used to provision applications in Service Fabric. Thanks to the glitch, Ubuntu-based Service Fabric nodes cannot perform management operations unless users downgrade that package to the previous version.
The issue hits any new Azure-based Service Fabric clusters, any new nodes added to an existing cluster, or any nodes that have been had the upgraded package. Existing clusters that haven’t been scaled up or re-imaged should be fine, and the Fabric Service Team advised that if you’re currently unaffected, for goodness sake don’t do any scaling.
LTS - OS - Linux - Service - Fabric
Ubuntu 16.04 LTS is, right now, the only properly supported OS for Linux Service Fabric Clusters...
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