Thanks Rahul for the inputs, This helps a lot.
Sathish Ponnusamy Chennai m: + 91 9962331981 e: sathishrp...@gmail.com GitHub - github.com/sathishrpt24 <http://github%20-%20github.com/sathishrpt24> [image: Youtbue icon] <https://www.youtube.com/channel/UCyPZ_DNpq2zOsTW9Txod4tg> On Thu, 17 Jul, 2025, 03:34 Rahul Goswami, <rahul196...@gmail.com> wrote: > Solr 9.x will not open any indexes touched by <= Solr 7.x. So you might be > out of luck with restoring the backed up index. > This version limitation comes from the Lucene layer which powers the index > capabilities of Solr. > > If access to the data is crucial, you could try restoring the index on a > Solr 8.x setup instead if that's an option. This is because a Lucene index > created in version x can be read by (up to) version x+1. > > -Rahul > > On Wed, Jul 16, 2025 at 3:59 AM Sathish Ponnusamy <sathishrp...@gmail.com> > wrote: > > > Hi Team, > > > > Is it possible to restore the collection in solr 9.6.1 where backup is > done > > in 7.2.1 solr version? > > > > Infra wise below are config: > > > > Solr-7.2.1 is setup in aws EC2 & backup is done in EFS > > > > Solr 9.6.1 setup is done in GCP VM and back up solution is GCS > > > > > > > > Sathish Ponnusamy > > > > Chennai > > m: + 91 9962331981 > > e: sathishrp...@gmail.com > > > > GitHub - github.com/sathishrpt24 > > <http://github%20-%20github.com/sathishrpt24> [image: Youtbue icon] > > <https://www.youtube.com/channel/UCyPZ_DNpq2zOsTW9Txod4tg> > > >