1.4.2: 'riak-admin reip' no longer works?
shane at mcewan.id.au
Tue Oct 22 03:53:51 EDT 2013
On 21/10/13 17:57, Joe Caswell wrote:
> The only use case left for reip is when you have simultaneously changed the
> node name for every node in the cluster, such as when loading an entire
> cluster's worth of backups to new machines.
When I need to do this I just create a new, empty cluster with the new
names. Then shut down the cluster and restore only the data directories
(leveldb, for example) from the backup, leaving the ring directory
alone. Then I start up the cluster and it finds the restored data. You
need to be careful about restoring the old node's data to the
corresponding new node otherwise you'll get hinted handoffs flying
between all your nodes but after a bit of trial and error you can figure
out which node is which.
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