Is it necessary to install a bootloader on each disk of the array?

W

WisdomButcher2020-12-21 16:06:45

linux

WisdomButcher, 2020-12-21 16:06:45

Good afternoon!
I installed the disks in an array and installed linux on it using mdadm. Why do the examples put grub on each disk of the array after installing the OS?
Thank you.

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Vladimir, 2020-12-21
@MechanID

Because if you have a bootloader only on the first disk, one day it will fail and you will replace it, and then the OS will not start after a reboot.