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vfat filesystem is not available in the live environment....
fishnet37222 · 2026-06-15 · via Arch Linux Forums

#1 Today 15:17:45

fishnet37222
Member
Registered: 2020-09-09
Posts: 15

vfat filesystem is not available in the live environment.

I was going through the Installation Guide while setting up a new Arch VM.  Everything was working fine until I tried to mount my newly created EFI System Partition.

When I issued the command "mount -v /dev/sda1 /boot/efi", I got the error message "mount: /mnt/boot/efi: unknown filesystem type 'vfat'.".

When I issued the command "modprobe vfat", I got the error message "modprobe: FATAL: Module vfat not found in directory /lib/modules/7.0.10-arch1-1".

The output of "cat /proc/filesystems" does not include "vfat".

I downloaded the ISO file this morning using the magnet link.

#2 Today 15:43:11

dimich
Member
From: Kharkiv, Ukraine
Registered: 2009-11-03
Posts: 637

Re: vfat filesystem is not available in the live environment.

fishnet37222 wrote:

When I issued the command "mount -v /dev/sda1 /boot/efi", I got the error message "mount: /mnt/boot/efi: unknown filesystem type 'vfat'."

Did you run the command before arch-chroot or after?
You have to mount ESP partition to /mnt/boot/efi/ before chrooting.

#3 Today 15:45:06

fishnet37222
Member
Registered: 2020-09-09
Posts: 15

Re: vfat filesystem is not available in the live environment.

That's what I'm trying to do.  In the live environment before any chrooting, there is currently no support for the vfat filesystem.