Yes, of course the prescan adds time to job, but even on 5TB fileserver backup it adds only 10-15min (actual backup time is about 1 day + 2 hours), so it acceptable. so we keep progerssbars enabled. It's very useful because we can make decision when ...
>>is it something to worry ?
Only fact that you can overwrite it by mistake ... or by another job starting 30 seconds after you just inserted it, when you want to restore from it :)
