Hi,
Currently there is no way to know the maximum op-version that is
supported in a heterogeneous cluster. If this is made possible, it would
prove helpful to users wrt knowing the maximum op-version to which the
cluster could be bumped up to.
The minimum of the maximum op-versions that is supported by each node
returns the maximum op-version the cluster can support. The idea is to
use the gluster volume get interface as follows to retrieve this value:
# gluster volume get all cluster.max-op-version
I feel this could be an useful feature to include in the 3.10 release
and a related issue [1] is open on Github for the same.
[1] https://github.com/gluster/glusterfs/issues/56
Thanks and Regards,
Samikshan
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