[openstack-dev] Replication multi cloud

McCabe, Donagh Donagh.McCabe at hp.com
Thu Mar 13 15:28:03 UTC 2014


The replication *inside* Swift is not intended to move data between two different Swift instances -- it's an internal data repair and rebalance mechanism.

However, there is a different mechanism, called container-to-container synchronization that might be what you are looking for. It will sync two containers in different swift instances. The swift instances may be in different Keystone administrative domains -- the authentication is not based on Keystone. It does require that each swift instance be configured to "recognise" each other. However, this is only usable for low update rates.


-----Original Message-----
From: Fargetta Marco [mailto:marco.fargetta at ct.infn.it] 
Sent: 13 March 2014 11:24
To: OpenStack Development Mailing List
Subject: [openstack-dev] [swift] Replication multi cloud

Hi all,

we would use the replication mechanism in swift to replicate the data in two swift instances deployed in different clouds with different keystones and administrative domains.

Is this possible with the current replication facilities or they should stay in the same cloud sharing the keystone?


Eng. Marco Fargetta, PhD

Istituto Nazionale di Fisica Nucleare (INFN) Catania, Italy

EMail: Marco.Fargetta at ct.infn.it

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