2 Jun
2020
2 Jun
'20
4:26 a.m.
Hi Wido,
It is a Java application that uses librados to connect directly to the cluster.
--
Nghia Viet Tran (Mr)
mgm technology partners Vietnam Co. Ltd
7 Phan Châu Trinh
Đà Nẵng, Vietnam
+84 935905659
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________________________________
From: Wido den Hollander <wido(a)42on.com>
Sent: Monday, June 1, 2020 10:50 PM
To: Nghia Viet Tran; Ceph users mailing list
Subject: [ceph-users] Re: Deploy Ceph on the secondary datacenter for DR
On 6/1/20 6:46 AM, Nghia Viet Tran wrote:
Hi everyone,
Currently, our client application and Ceph cluster are running on the
primary datacenter. We’re planning to deploy Ceph on the secondary
datacenter for DR. The secondary datacenter is in the standby mode. If
something went wrong with the primary datacenter, the secondary
datacenter will take over.
The possible way would work in this case is that adding hosts from the
secondary datacenter into the existed Ceph cluster in the primary
datacenter. By this way, it would add more latency for client requests
since client from primary datacenter might connects to OSD hosts in the
secondary datacenter)
Are there any special configurations in Ceph that fulfill this requirement?
What is the application? CephFS? RBD? RGW?
The second datacenter indeed adds latency, so I would be very, very
careful with that.
Wido
I truly appreciate any comments!
Nghia.
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