Micheal, thanks for your hints and explanations!
Regards, Moritz 2012/10/8 Michael Barton <mike-launch...@weirdlooking.com> > On Mon, Oct 8, 2012 at 8:12 AM, Moritz Krinke <mkri...@fotocommunity.net> > wrote: > > - I cannot change the number of replicas after creating the ring (e.g. > > changing it from 1 to 2) > > Not really. Logically it's not a difficult operation, there's just no > code to do it. There was a patch a while back, but I guess it wasn't > ever approved: > > https://review.openstack.org/#/c/5484/ > > > - reading about the "unique-as-possible" feature in folsom im asking > myself > > how would swift know if nodes are in different places, is there a feature > > like "regions" i am not aware of? > > There's no concept of regions (yet). The commit message is pretty > descriptive: > > > https://github.com/openstack/swift/commit/bb509dd863dc99c06a232d1d8e0f950a7e73dcc8 > > > - after migration of data and having two replicas spread over those two > > nodes, how can i make sure that in the event of a node beeing down swift > > will not start copying files to second drives on the healty nodes? > > Swift won't over-replicate when a node's down, only when an individual > drive is unmounted. There's no way to disable over-replication in > that case, though. > > - Michael
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