On 10/23/2012 12:29 AM, Ulli Horlacher wrote: > On Mon 2012-10-22 (14:53), Stéphane Graber wrote: > >> All in all, that's somewhere around 300-400 containers I'm managing > > How do you handle a host (hardware) failure?
Everything that runs in the container is in a configuration management system, so any container can be redeployed from scratch in just a couple of minutes without needing the actual rootfs. On top of that, all the containers are backed up centrally using data deduplication, so if I really need it, I can extract a .tar.gz of the rootfs of any container in minutes and then just dump that on another machine. Though technically all the critical services are already redundant, so in case of a host failure, all I'd see is an increase of load on the other servers while I fix the host and get the rest back online. -- Stéphane Graber Ubuntu developer http://www.ubuntu.com
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