I'm setting up a radosgw for my ceph Octopus cluster. As soon as I
started the radosgw service, I notice that it created a handful of new
pools. These pools were assigned the 'replicated_data' crush rule
automatically.
I have a mixed hdd/ssd/nvme cluster, and this 'replicated_data' crush
rule spans all device types. I would like radosgw to use a replicated
SSD pool and avoid the HDDs. What is the recommended way to change the
crush device class for these pools without risking the loss of any data
in the pools? I will note that I have not yet written any user data to
the pools. Everything in them was added by the radosgw process
automatically.
--Mike
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