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Thanks Christian I think thats exactly what I needed - I will try and make
2 new rings and see how that works. You wouldnt per chance know how I would
limit the replicas, ie 2 in the Paris region and 1 at HQ? I only want one
replica to goto the HQ region...


So for instance, if I have two nodes in the my HQ region and I only want
one replica, would I run the following commands:

swift-ring-builder account.builder add hq-ip#1:6002/sda3 100

swift-ring-builder account.builder add hq-ip#2:6002/sda3 100

If the nodes in Paris are as is follows:

he minimum number of hours before a partition can be reassigned is 1
Devices:    id  region  zone      ip address  port  replication ip
 replication port      name weight partitions balance meta
             0       1     1       10.7.5.51  6002       10.7.5.51
     6002      sda3 100.00        384    0.00
             1       1     1       10.7.5.51  6002       10.7.5.51
     6002      sda4 100.00        384    0.00
             2       1     1       10.7.5.52  6002       10.7.5.52
     6002      sda3 100.00        384    0.00
             3       1     1       10.7.5.52  6002       10.7.5.52
     6002      sda4 100.00        384    0.00


That for some reason doesnt seem correct to me but what do I know. Also, if
you notice i my command for the name i gave hq-ip# - do I have to use the
naming convention r#z#-ip when I add? Thanks

Amit



On Mon, Dec 22, 2014 at 1:46 PM, Christian Schwede <
christian.schwede at enovance.com> wrote:

> On 22.12.14 19:11, Amit Anand wrote:
> > Now I want to try and do the following below:
> >
> >
> http://techs.enovance.com/7094/openstack-swift-2-0-introducing-storage-policies
> >
> > So pretty much have a Paris and Montreal center as described - I want to
> > add a third datacenter to each as replication. So it the blog it says
> > create new rings - there is where I am getting confused - may someone
> > help and let me know what are the commands to create a whole new ring??
>
> Author of the post here :)
>
> Use the following command to create another ring:
>
> swift-ring-builder /etc/swift/object-1.builder create 15 3 1
>
> Storage Policies are addressed by an index number (see the blog post,
> for example storage-policy:0), and these are related to the ring files:
>
> storage-policy:0 -> /etc/swift/object-0.ring.gz
>
> storage-policy:1 -> /etc/swift/object-1.ring.gz
>
> and so on.
>
> Policy 0 is the default one, and if there is no ring file named
> "/etc/swift/object-0.ring.gz" Swift tries to use
> "/etc/swift/object.ring.gz".
>
> Let me know if this helps!
>
> Christian
>
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