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ArchMisspell · 2026-06-12 · via Arch Linux Forums

[archie@archie-machine ~]$ lsblk -f
NAME        FSTYPE FSVER LABEL UUID                                 FSAVAIL FSUSE% MOUNTPOINTS
zram0       swap   1     zram0 49e3a041-51d1-4130-819d-237fa3791abe                [SWAP]
nvme0n1                                                                            
├─nvme0n1p1 vfat   FAT32       C284-EBCD                                           
├─nvme0n1p2 ext4   1.0         11383ee4-5546-4f21-9a5c-0f57a741f7d0                
├─nvme0n1p3 ext4   1.0         34e03703-08aa-4e8a-9e24-df76cff7d2e7                
├─nvme0n1p4 vfat   FAT32       BAFE-09EF                                           
├─nvme0n1p5 ext4   1.0         bb492f3a-d22a-41df-aa35-592f25c26981   29.3G    74% /
├─nvme0n1p6 vfat   FAT32       18E8-DC21                             964.6M     3% /boot
├─nvme0n1p7 vfat   FAT32       EE02-EF52                                           
└─nvme0n1p8 vfat   FAT32       18E8-40DD                             860.7M    14% /efi

contents of old fstab (Works and I am writing this on it)

[archie@archie-machine ~]$ cat /etc/fstab
# Static information about the filesystems.
# See fstab(5) for details.

# <file system> <dir> <type> <options> <dump> <pass>
# /dev/nvme0n1p5
UUID=bb492f3a-d22a-41df-aa35-592f25c26981       /               ext4            rw,relatime     0 1

# /dev/nvme0n1p6
UUID=18E8-DC21          /boot           vfat            rw,relatime,fmask=0022,dmask=0022,codepage=437,iocharset=ascii,shortname=mixed,utf8,errors=remount-ro    0 2

# /dev/nvme0n1p8
UUID=18E8-40DD          /efi            vfat            rw,relatime,fmask=0022,dmask=0022,codepage=437,iocharset=ascii,shortname=mixed,utf8,errors=remount-ro    0 2

/swapfile none swap defaults 0 0

contents of new fstab (Doesn't work but I want to switch to it)

[archie@archie-machine temporary_mount_point]$ cat etc/fstab
# Static information about the filesystems.
# See fstab(5) for details.

# <file system> <dir> <type> <options> <dump> <pass>
# /dev/nvme0n1p2
UUID=11383ee4-5546-4f21-9a5c-0f57a741f7d0       /               ext4            rw,relatime     0 1

# /dev/nvme0n1p6
UUID=18E8-DC21          /boot           vfat            rw,relatime,fmask=0022,dmask=0022,codepage=437,iocharset=ascii,shortname=mixed,utf8,errors=remount-ro    0 2

# /dev/nvme0n1p8
UUID=18E8-40DD          /efi            vfat            rw,relatime,fmask=0022,dmask=0022,codepage=437,iocharset=ascii,shortname=mixed,utf8,errors=remount-ro    0 2

/swapfile none swap defaults 0 0

grub.cfg contents (of old partition which works and I am on it right now)

[archie@archie-machine ~]$ cat /efi/grub/grub.cfg 
#
# DO NOT EDIT THIS FILE
#
# It is automatically generated by grub-mkconfig using templates
# from /etc/grub.d and settings from /etc/default/grub
#

### BEGIN /etc/grub.d/00_header ###
insmod part_gpt
insmod part_msdos
if [ -s $prefix/grubenv ]; then
  load_env
fi

if [ "${env_block}" ] ; then
  set env_block="(${root})${env_block}"
  export env_block
  load_env -f "${env_block}"
fi

if [ "${next_entry}" ] ; then
   set default="${next_entry}"
   set next_entry=
   if [ "${env_block}" ] ; then
     save_env -f "${env_block}" next_entry
   else
     save_env next_entry
   fi
   set boot_once=true
else
   set default="0"
fi

if [ x"${feature_menuentry_id}" = xy ]; then
  menuentry_id_option="--id"
else
  menuentry_id_option=""
fi

export menuentry_id_option

if [ "${prev_saved_entry}" ]; then
  set saved_entry="${prev_saved_entry}"
  save_env saved_entry
  set prev_saved_entry=
  save_env prev_saved_entry
  set boot_once=true
fi

function savedefault {
  if [ -z "${boot_once}" ]; then
    saved_entry="${chosen}"
    if [ "${env_block}" ] ; then
      save_env -f "${env_block}" saved_entry
    else
      save_env saved_entry
    fi

  fi
}

function load_video {
  if [ x$grub_platform = xefi ]; then
    insmod efi_gop
    insmod efi_uga
  elif [ x$feature_all_video_module = xy ]; then
    insmod all_video
  else
    insmod efi_gop
    insmod efi_uga
    insmod ieee1275_fb
    insmod vbe
    insmod vga
    insmod video_bochs
    insmod video_cirrus
  fi
}

if [ x$feature_default_font_path = xy ] ; then
   font=unicode
else
insmod part_gpt
insmod ext2
search --no-floppy --fs-uuid --set=root bb492f3a-d22a-41df-aa35-592f25c26981
    font="/usr/share/grub/unicode.pf2"
fi

if loadfont $font ; then
  set gfxmode=auto
  load_video
  insmod gfxterm
  set locale_dir=$prefix/locale
  set lang=en_US
  insmod gettext
fi
terminal_input console
terminal_output gfxterm
if [ x$feature_timeout_style = xy ] ; then
  set timeout_style=menu
  set timeout=10
# Fallback normal timeout code in case the timeout_style feature is
# unavailable.
else
  set timeout=10
fi
### END /etc/grub.d/00_header ###

### BEGIN /etc/grub.d/10_linux ###
menuentry 'Arch Linux' --class arch --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-simple-bb492f3a-d22a-41df-aa35-592f25c26981' {
        load_video
        set gfxpayload=keep
        insmod gzio
        insmod part_gpt
        insmod fat
        search --no-floppy --fs-uuid --set=root 18E8-DC21
        echo    'Loading Linux linux-zen ...'
        linux   /vmlinuz-linux-zen root=/dev/nvme0n1p5 rw  loglevel=3 quiet
}
submenu 'Advanced options for Arch Linux' $menuentry_id_option 'gnulinux-advanced-bb492f3a-d22a-41df-aa35-592f25c26981' {
        menuentry 'Arch Linux, with Linux linux-zen' --class arch --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-linux-zen-advanced-bb492f3a-d22a-41df-aa35-592f25c26981' {
                load_video
                set gfxpayload=keep
                insmod gzio
                insmod part_gpt
                insmod fat
                search --no-floppy --fs-uuid --set=root 18E8-DC21
                echo    'Loading Linux linux-zen ...'
                linux   /vmlinuz-linux-zen root=/dev/nvme0n1p5 rw  loglevel=3 quiet
        }
        menuentry 'Arch Linux, with Linux linux' --class arch --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-linux-advanced-bb492f3a-d22a-41df-aa35-592f25c26981' {
                load_video
                set gfxpayload=keep
                insmod gzio
                insmod part_gpt
                insmod fat
                search --no-floppy --fs-uuid --set=root 18E8-DC21
                echo    'Loading Linux linux ...'
                linux   /vmlinuz-linux root=/dev/nvme0n1p5 rw  loglevel=3 quiet
        }
}

### END /etc/grub.d/10_linux ###

### BEGIN /etc/grub.d/15_ostree ###
### END /etc/grub.d/15_ostree ###

### BEGIN /etc/grub.d/15_uki ###
if [ "$grub_platform" = "efi" ]; then
  uki
fi
### END /etc/grub.d/15_uki ###

### BEGIN /etc/grub.d/20_linux_xen ###
### END /etc/grub.d/20_linux_xen ###

### BEGIN /etc/grub.d/25_bli ###
if [ "$grub_platform" = "efi" ]; then
  insmod bli
fi
### END /etc/grub.d/25_bli ###

### BEGIN /etc/grub.d/30_os-prober ###
menuentry 'Arch Linux (rolling) (on /dev/nvme0n1p2)' --class arch --class gnu-linux --class gnu --class os $menuentry_id_option 'osprober-gnulinux-simple-11383ee4-5546-4f21-9a5c-0f57a741f7d0' {
        insmod part_gpt
        insmod fat
        search --no-floppy --fs-uuid --set=root 18E8-DC21
        linux /vmlinuz-linux-zen root=/dev/nvme0n1p2
}
submenu 'Advanced options for Arch Linux (rolling) (on /dev/nvme0n1p2)' $menuentry_id_option 'osprober-gnulinux-advanced-11383ee4-5546-4f21-9a5c-0f57a741f7d0' {
        menuentry 'Arch Linux (rolling) (on /dev/nvme0n1p2)' --class gnu-linux --class gnu --class os $menuentry_id_option 'osprober-gnulinux-/vmlinuz-linux-zen--11383ee4-5546-4f21-9a5c-0f57a741f7d0' {
                insmod part_gpt
                insmod fat
                search --no-floppy --fs-uuid --set=root 18E8-DC21
                linux /vmlinuz-linux-zen root=/dev/nvme0n1p2
        }
        menuentry 'Arch Linux (rolling) (on /dev/nvme0n1p2)' --class gnu-linux --class gnu --class os $menuentry_id_option 'osprober-gnulinux-/vmlinuz-linux--11383ee4-5546-4f21-9a5c-0f57a741f7d0' {
                insmod part_gpt
                insmod fat
                search --no-floppy --fs-uuid --set=root 18E8-DC21
                linux /vmlinuz-linux root=/dev/nvme0n1p2
        }
}


### END /etc/grub.d/30_os-prober ###

### BEGIN /etc/grub.d/30_uefi-firmware ###
if [ "$grub_platform" = "efi" ]; then
        fwsetup --is-supported
        if [ "$?" = 0 ]; then
                menuentry 'UEFI Firmware Settings' $menuentry_id_option 'uefi-firmware' {
                        fwsetup
                }
        fi
fi
### END /etc/grub.d/30_uefi-firmware ###

### BEGIN /etc/grub.d/40_custom ###
# This file provides an easy way to add custom menu entries.  Simply type the
# menu entries you want to add after this comment.  Be careful not to change
# the 'exec tail' line above.
### END /etc/grub.d/40_custom ###

### BEGIN /etc/grub.d/41_custom ###
if [ -f  ${config_directory}/custom.cfg ]; then
  source ${config_directory}/custom.cfg
elif [ -z "${config_directory}" -a -f  $prefix/custom.cfg ]; then
  source $prefix/custom.cfg
fi
### END /etc/grub.d/41_custom ###

I am unable to provide grub.cfg of the new partition as it does not have a grub directory in /efi.

nvme0n1p2 is the partition I wish to switch to, and the one being referred to as "new" here.

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