Hello,
yes you can use a single server to operate multiple clusters.
I have a configuration running, with two independent ceph clusters
running on the same node (of course multiple nodes for the two clusters)
The trick is to work with multiple ceph.conf files, I use two
seperate ceph.conf files under /etc/ceph/
One is called <cluster_a>.conf and the other <cluster_b>.conf
Every cluster uses it's seperate network interfaces, so I use four 10GbE
Interfaces
for the two clusters, but you can also use vlans togehter with a 100GbE
Interface or a 100GbE NIC that can provide virtual ports for the separation
of the networks and the distribution of the network load.
Every cluster uses also a seperate keyring, so e.g for the first
cluster you have a keyring named <cluster_a>.mon.keyring
and for the second one <cluster_b>.mon.keyring
inside of the /etc/ceph folder.
To administrate the whole thing, ceph provide
the --cluster parameter for the command line programs.
So ceph --cluster <cluster_a> -s
will show the outputs for cluster one and
ceph --cluster <cluster_b> -s
for the cluster two
Regards
Markus Baier
Am 02.11.21 um 13:30 schrieb Mosharaf Hossain:
Hi Users
We have two ceph clusters in our lab. We are experimenting to use a single
server as a client for two ceph clusters. Can we use the same client server
to store keyring for different clusters in ceph.conf file.
Regards
Mosharaf Hossain
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