It seems like I am hitting this issue from release 3.6.0:
- If cluster is updated to compatibility version 3.6 while hosts that have not been upgraded, i.e with emulated machine flags that do not match cluster compatibility version 3.6, you might end up with incorrect emulated machine flag on the cluster. As a result, you will not be able to run VMs. Possible workarounds would be to to reset the emulated machine on the cluster (requires putting all the hosts into maintenance) or disable the host-plug memory feature in the database. I clicked "reset emulated machines" on the cluster, while in maintenance mode. I checked vds_dynamic for the host, and found the columns supported_cluster_levels and supported_engine_levels to both be missing version 3.6. Paul On Sat, Feb 20, 2016 at 10:01 AM, Paul Dyer <pmdyer...@gmail.com> wrote: > Hi, > > can anyone explain what this button does? I have looked in the > documentation but have found no reference to it. Will reinstall only > install packages and setting for the host, and leave > cluster/storage/networks alone? > > I have a cluster version 3.6.2 that will not Activate the host because the > message "Host .. is compatible with versions (3.0,3.1,3.2,3.3,3.4,3.5) and > cannot join Cluster...". The host was part of a 3.5 cluster until the > upgrade to 3.6.2. > > Thanks a million, > > Paul > > > > -- > Paul Dyer, > Mercury Consulting Group, RHCE > 504-302-8750 > -- Paul Dyer, Mercury Consulting Group, RHCE 504-302-8750
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