Solr Data Export and import Tools
Export:
groovy /script/SolrExport.groovy -u "http://T1:8983/solr" -c core2 -m 10000 -d "/opt/bak"
Import groovy /script/SolrImport.groovy -u "http://T1:8983/solr" -c core2 -f "/opt/solr_export(core2)-2014-11-04_14-52-16.zip"