Almost certainly. You can recreate all the “state.json” znodes “by hand”, but that’ll be very, very difficult to get right.
It’s possible you have ZK snapshot laying around you can restore, you’ll have to look. Best, Erick > On Nov 19, 2019, at 6:33 AM, vishal patel <vishalpatel200...@outlook.com> > wrote: > > I have created 2 shards of Solr 8.3.0. After I have created 10 collections > and also re-indexed data. > > Some fields are changed in one collection. I deleted a version-2 folder from > zoo_data and up config that collection. > > Is it necessary to create all collections again? Also indexing data again? > > Regards, > Vishal
