Below is the output after running discourse restore BACKUP_FILENAME from the command line. Any feedback is appreciated, thanks!
Disabling outgoing emails for non-staff users...
Clearing emoji cache...
Disabling readonly mode...
Clear theme cache
Extracting uploads...
Migrating uploads to S3...
Checking if default already migrated...
524 of 9474 uploads are not migrated to S3. S3 migration failed for db 'default'.
321 posts are not remapped to new S3 upload URL. S3 migration failed for db 'default'.
Looking for missing uploads on: default
Fixing missing uploads:
..........................................................................................................
116 post uploads are missing.
116 uploads are missing.
106 of 116 are old scheme uploads.
98 of 83342 posts are affected.
rake posts:missing_uploads identified 98 issues. S3 migration failed for db 'default'.
No posts require rebaking
Migrating uploads to S3 for 'default'...
Some uploads were not migrated to the new scheme. Please run these commands in the rails console
SiteSetting.migrate_to_new_scheme = true
Jobs::MigrateUploadScheme.new.execute(nil)
Restore process was cancelled!
Trying to rollback...
Rolling back...
Cleaning stuff up...
Removing tmp '/var/www/discourse/tmp/restores/default/2019-07-22-172918' directory...
Unpausing sidekiq...
Marking restore as finished...
Notifying 'system' of the end of the restore...
Finished!
[FAILED]
Restore done.