Scott's got it right. There's nothing special about a Lucene index at that level, Lucene doesn't have any clue it's operating in SolrCloud. So a single-shard index is exactly the same at the _Lucene_ level in stand-alone and in SolrCloud. You can freely copy it back and forth, even between Windows and *nix.
I would make very sure you weren't indexing to the stand-alone collection and have the SolrCloud instance shut down during the copy as a precaution. I would also create a single-replica (i.e. leader-only) SolrCloud collection, then do the copy. Now verify it and _then_ use the ADDREPLICA command to add more replicas for HA/DR FWIW, Erick On Wed, Jun 22, 2016 at 5:57 AM, scott.chu <scott....@udngroup.com> wrote: > This is what I guess you can try: If your SolrCloud has only 1 shard, you can > first build your Solrcloud collection (with same schema as your standalone > core), say its name is 'mycol', and then go to the node folder, normally > you'll see some subfolder named 'mycol_shard1_replica#. In this folder, > there's the 'data' subfolder. Make a backup of this 'data' folder. Then copy > your data folder of your standalone core. Now Restart SolrCloud (Maybe no > need) and try query the collection mycol on Admin UI. > > scott.chu，scott....@udngroup.com > 2016/6/22 (週三) > ----- Original Message ----- > From: Preeti Bhat > To: solr-user > CC: > Date: 2016/6/22 (週三) 16:28 > Subject: Can we directly move the solr instance running as standalone to > SOLRCLOUD? > > > Hi, > > I have a standalone SOLR instance running as a service in Windows, I would > like to move towards the SOLR CLOUD, as it provides various benefits like DR, > scalability etc. I would like to use the same instance or core if possible > from the standalone instance to SOLR cloud. Can we do it? If yes, Is it > advisable? > > > Thanks, > Preeti > > > NOTICE TO RECIPIENTS: This communication may contain confidential and/or > privileged information. If you are not the intended recipient (or have > received this communication in error) please notify the sender and > it-supp...@shoregrp.com immediately, and destroy this communication. Any > unauthorized copying, disclosure or distribution of the material in this > communication is strictly forbidden. Any views or opinions presented in this > email are solely those of the author and do not necessarily represent those > of the company. Finally, the recipient should check this email and any > attachments for the presence of viruses. The company accepts no liability for > any damage caused by any virus transmitted by this email. > > > > > > ----- > ??????????? > ??? AVG ?? - www.avg.com > ??: 2015.0.6201 / ???: 4604/12468 - ????: 06/21/16
