How to check the available method for a certain file in centos?

Question

linux

Good time guys? tell me, here on the server there is a database with a size of 100 GB in order to make a repair (backup) you need disk space of 50 percent of the size of the database, how can you find out in which section it can be placed with a command? for example:
#command /dev
/sda5
/dev/sda1

Answer 1

Df

Answer 2

You need to write a script that will do this.
Just a few business teams to bring together.

Answer 3

In terminal:
df -h