How to organize a mirror backup of DB 1s?

Question

Backup

Please tell me how you can set up a mirror backup of 1s database (connect disk storage)?

Answer 1

If the database is 1s file, then this is generally one file, large in size. I'm not very sure that there are means to instantly make a copy of the file.
If a DB on kaknibut sql means of the last there is an opportunity to make. Difficult but...