Well, that just happened! Solr and Zookeeper machines faced a forced restart to install Windows Updates. This caused Zookeeper ensemble and Solr instances to go down. When the machines came back up again. I tried the following
1) Started Zookeeper on all machines using the following command zkServer.cmd (on all three machines) 2) Started Solr on two of those machines using solr.cmd start -c -p 8983 -h [server1_name] -z "[server1_ip]:2181,[server2_name]:2181,[server3_name]:2181" solr.cmd start -c -p 8983 -h [server2_name] -z "[server2_ip]:2181,[server1_name]:2181,[server3_name]:2181" solr.cmd start -c -p 7574 -h [server1_name] -z "[server1_ip]:2181,[server2_name]:2181,[server3_name]:2181" solr.cmd start -c -p 7574 -h [server2_name] -z "[server2_ip]:2181,[server1_name]:2181,[server3_name]:2181" After several trials, it did start the solr on both machines but *non of the previous collections came back normally.* When I look at the admin page, it shows errors as follows *[Collection_name]_shard2_replica2:* org.apache.solr.common.SolrException:org.apache.solr.common.SolrException: Index locked for write for core '[Collection_name]_shard2_replica2'. Solr now longer supports forceful unlocking via 'unlockOnStartup'. Please verify locks manually! So probably I am doing something wrong or the simple scenario is not straight forward to recover from. Your comment/feedback is appreciated. Regards, Salman On Thu, Apr 7, 2016 at 3:56 PM, Shawn Heisey <apa...@elyograg.org> wrote: > On 4/7/2016 5:40 AM, Salman Ansari wrote: > > Any comments regarding the issue I mentioned above "the proper procedure > of > > bringing old collections up after a restart of zookeeper ensemble and > Solr > > instances"? > > What precisely do you mean by "old collections"? The simplest > interpretation of that is that you are trying to restart your servers > and have everything you already had in the cloud work properly. An > alternate interpretation, which might be just as valid, is that you have > some collections on some old servers that you want to incorporate into a > new cloud. > > If it's the simple scenario: shut down solr, shut down zookeeper, start > zookeeper, start solr. If it's the other scenario, that is not quite so > simple. > > Thanks, > Shawn > >
