Hi
We've got a three node ceph cluster, and radosgw on a fourth machine. We
would like to add another radosgw machine for high availability. Here
are a few questions I have:
- We aren't expecting to deploy to multiple regions and zones anywhere
soon. So presumably, we do not have to worry about federated
deployment. Would it be hard to move to a federated deployment later?
- What is a radosgw instance? I was guessing that it was a machine
running radosgw. If not, is it a separate gateway with a separate
set of user and pools, possibly running on the same machine?
- Can I simply deploy another radosgw machine with the same
configuration as the first one? If the second interpretation is true,
I guess I could.
- Am I right that all gateway users go in the same keyring, which is
copied to all the gateway nodes and all the monitor nodes?
- The gateway nodes obviously need a
[client.radosgw.{instance-name}] stanza in /etc/ceph.conf. Do the
monitor nodes also need a copy of the stanza?
- Do the gateway nodes need all of the monitors' [global] stanza in
their /etc/ceph.conf? Presumably, they at least need mon_host to know
who to talk to. What else?
Regards
Jon
Jon Kåre Hellan, UNINETT AS, Trondheim, Norway
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