[vsevolod@localhost ~]$ cat /proc/mounts | grep /dev/sda1
/dev/sda1 / xfs rw,seclabel,relatime,attr2,inode64,noquota 0 0
[vsevolod@localhost ~]$ cat /etc/fstab
#
# /etc/fstab
# Created by anaconda on Sat Feb 15 00:56:41 2020
#
# Accessible filesystems, by reference, are maintained under '/dev/disk/'.
# See man pages fstab(5), findfs(8), mount(8) and/or blkid(8) for more info.
#
# After editing this file, run 'systemctl daemon-reload' to update systemd
# units generated from this file.
#
UUID=4478298d-df4e-43d5-bb8d-38e5a0ff3a1d / xfs defaults,discard 0 1
systemctl daemon-reload
делал. Не хочет монтировать, как надо.