Re: Best Practice for Data Center Migration

2010-12-03 Thread Jake Maizel
Thanks for the followup. I have a few follow on questions: In the case of using decommission, any idea of what happens when we get to the last node in the old data center? Do you think it will decommission properly? I agree that this sounds like the easiest method. We have to see if we can

Re: Best Practice for Data Center Migration

2010-12-03 Thread Daniel Doubleday
Hm - assuming that you have configured your initial tokens in a way that every next start token lives in the other datacenter wouldn't it suffice to decrease rf to 2 switch to simple replication strategy switch off the old dc and start repairs/cleanup? every row should live in either primary

Best Practice for Data Center Migration

2010-12-02 Thread Jake Maizel
Hello, We have a ring of 12 nodes with 6 in one data center and 6 in another. We want to shutdown all 6 nodes in data center 1 in order to close it down. We are using a replication factor of 3 and are using RackAwareStrategy with version 0.6.6. Are there any best practices for doing this type

Re: Best Practice for Data Center Migration

2010-12-02 Thread Jonathan Ellis
On Thu, Dec 2, 2010 at 4:08 AM, Jake Maizel j...@soundcloud.com wrote: Hello, We have a ring of 12 nodes with 6 in one data center and 6 in another.  We want to shutdown all 6 nodes in data center 1 in order to close it down.  We are using a replication factor of 3 and are using