There is some automation around this process in the backup commands here: https://github.com/whitepages/solrcloud_manager
It’s been tested with 5.4, and will restore arbitrary replication factors. Ever assuming the shared filesystem for backups, of course. On 4/5/16, 3:18 AM, "Reth RM" <reth.ik...@gmail.com> wrote: >Yes. It should be backing up each shard leader of collection. For each >collection, for each shard, find the leader and request a backup command on >that. Further, restore this on new collection, in its respective shard and >then go on adding new replica which will duly pull it from the newly added >shards. > > >On Mon, Apr 4, 2016 at 10:32 PM, Zisis Tachtsidis <zist...@runbox.com> >wrote: > >> I've tested backup/restore successfully in a SolrCloud installation with a >> single node (no replicas). This has been achieved in >> https://issues.apache.org/jira/browse/SOLR-6637 >> Can you do something similar when more replicas are involved? What I'm >> looking for is a restore command that will restore index in all replicas of >> a collection. >> Judging from the code in /ReplicationHandler.java/ and >> https://issues.apache.org/jira/browse/SOLR-5750 I assume that more work >> needs to be done to achieve this. >> >> Is my understanding correct? If the situation is like this I guess an >> alternative would be to just create a new collection, restore index and >> then >> add replicas. (I'm using Solr 5.5.0) >> >> >> >> -- >> View this message in context: >> http://lucene.472066.n3.nabble.com/SolrCloud-backup-restore-tp4267954.html >> Sent from the Solr - User mailing list archive at Nabble.com. >>
