I¹ve heard people wanting to do mixed OS in the same OS family (like centos X with centos YŠnot across families like centos X with SLES y). Not sure how extensively it¹s been tested though.
But to do so, you have to be sure to register the Ambari Agents manually (vs using SSH). On 1/14/16, 9:37 AM, "Greg Hill" <[email protected]> wrote: >Honestly, I don't know that anyone has ever tried, but I have a feeling it >might not work out well. The 'repo' is specified at the stack level, so >you'd have to make a new cluster after modifying the repo url on the stack >in order for the new nodes to even know to use a different repo from the >old nodes for installing packages. Also, the os_family and os_type is in >the ambari-server configs and isn't overrideable per-node, unless there's >some hidden feature I'm not aware of. > >Your best option is probably to spin up a new cluster with the new OS and >migrate the data. > >Greg > >On 1/13/16, 6:20 PM, "Andrew Robertson" <[email protected]> >wrote: > >>Has anyone ever tried to run an Ambari cluster with hosts at different >>centos versions (or some nodes with one OS like centos and other nodes >>with something else?) >> >>Any reason this wouldn't be advised? >> >>I'm considering upgrading from centos 6 -> centos 7. Given the >>current centos 6 -> 7 upgrade path is "reinstall", this make take some >>time to accomplish and I'd end up with a mix of both machine types in >>the cluster during this time. >> >>I don't see any reasons this would not work - but I also don't see >>anything that explicitly states this is a tested/advised config >>either. >> >>Thanks! > >
