Need to migrate v3 to v4

I need to migrate from v3 to v4 with all the actions on server
Like cdr and call recording also all modules

But this process is too large to take backup and restore the backup taking about 10 hours to generate
The working day start so i will wait to another 10 hours to migrate

Thier is any script can make the migration process easy or any recommendations to how to do it smoothly

My server is up and running and cannot be stopped in working hours

Something doesn’t make sense. Perhaps your CDR and CEL tables are huge?

The call recordings files is so huge
about 250 GB

So don’t include recordings, SCP them manually

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