On Sat, Mar 29, 2014 at 5:04 PM, Lasse Schou <[email protected]> wrote:
> Hi, > > I would like to know if it is possible to restore data after a failover or > if it's lost for good. Are there any tools to extract the documents from a > failed-over node that hasn't been re-added into the cluster? > Yes it is. On failover couchbase does not delete any data files. Just in case. So there are multiple ways to get things back. For example. Option 1: * backup data files * rebalance node back in * stop service on that node * bring data files back from backup * start service Option 2 (in case you want to keep your recent mutations and avoid downtime): * backup data files * create brand new single node cluster. Possibly from failed over node. * return files back in (note: it's important to do it after setting up node) * create bucket * observe log entry saying that recovery was partially successful (it'll take take subset of vbuckets from data files it sees on disk) * xdcr data from that single node cluster back to main cluster There are other options too. Those options look simplest. -- You received this message because you are subscribed to the Google Groups "Couchbase" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
