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- $ fdisk -l
- Device Start End Size Type
- /dev/sda1 2048 4096 1M BIOS boot partition
- /dev/sda2 6144 195371534 93.2G Linux filesystem
- $ btrfs subvolume list -p /
- ID 261 gen 203517 parent 5 top level 5 path __active
- ID 262 gen 203540 parent 261 top level 261 path home
- ID 263 gen 203540 parent 261 top level 261 path var
- ID 265 gen 203517 parent 261 top level 261 path usr
- ID 424 gen 201050 parent 5 top level 5 path __snapshot/my_savepoint-2013-10-28-1382970930
- ID 427 gen 203508 parent 5 top level 5 path __snapshot/my_savepoint-2013-11-03-1383505769
- ID 428 gen 203508 parent 5 top level 5 path __rollback
- $ btrfs subvolume get-default /
- ID 261 gen 203517 top level 5 path __active
- $ cat /etc/fstab
- tmpfs /tmp tmpfs nodev,nosuid,size=2G 0 0
- UUID=81410cb0-62ba-408b-a5b2-a8a6354fb090 / btrfs defaults,noatime,compress=lzo 0 0 #,subvol=__active
- shm /dev/shm tmpfs nodev,nosuid 0 0
- $ grub-mkrelpath /boot/initramfs-linux.img
- /boot/initramfs-linux.img
- $ cat /boot/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 $prefix/grubenv ]; then
- load_env
- fi
- if [ "${next_entry}" ] ; then
- set default="${next_entry}"
- set next_entry=
- save_env next_entry
- set boot_once=true
- else
- set default="0"
- fi
- if [ x"${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}"
- save_env saved_entry
- fi
- }
- function load_video {
- if [ 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 btrfs
- set root='hd0,gpt2'
- if [ x$feature_platform_search_hint = xy ]; then
- search --no-floppy --fs-uuid --set=root --hint-bios=hd0,gpt2 --hint-efi=hd0,gpt2 --hint-baremetal=ahci0,gpt2 81410cb0-62ba-408b-a5b2-a8a6354fb090
- else
- search --no-floppy --fs-uuid --set=root 81410cb0-62ba-408b-a5b2-a8a6354fb090
- fi
- 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
- set timeout=5
- ### END /etc/grub.d/00_header ###
- ### BEGIN /etc/grub.d/10_linux ###
- menuentry 'Arch Linux, with Linux core repo kernel' --class arch --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-core repo kernel-true-81410cb0-62ba-408b-a5b2-a8a6354fb090' {
- load_video
- set gfxpayload=keep
- insmod gzio
- insmod part_gpt
- insmod btrfs
- set root='hd0,gpt2'
- if [ x$feature_platform_search_hint = xy ]; then
- search --no-floppy --fs-uuid --set=root --hint-bios=hd0,gpt2 --hint-efi=hd0,gpt2 --hint-baremetal=ahci0,gpt2 81410cb0-62ba-408b-a5b2-a8a6354fb090
- else
- search --no-floppy --fs-uuid --set=root 81410cb0-62ba-408b-a5b2-a8a6354fb090
- fi
- echo 'Loading Linux core repo kernel ...'
- linux /boot/vmlinuz-linux root=UUID=81410cb0-62ba-408b-a5b2-a8a6354fb090 rw
- echo 'Loading initial ramdisk ...'
- initrd /boot/initramfs-linux.img
- }
- menuentry 'Arch Linux, with Linux core repo kernel (Fallback initramfs)' --class arch --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-core repo kernel-fallback-81410cb0-62ba-408b-a5b2-a8a6354fb090' {
- load_video
- set gfxpayload=keep
- insmod gzio
- insmod part_gpt
- insmod btrfs
- set root='hd0,gpt2'
- if [ x$feature_platform_search_hint = xy ]; then
- search --no-floppy --fs-uuid --set=root --hint-bios=hd0,gpt2 --hint-efi=hd0,gpt2 --hint-baremetal=ahci0,gpt2 81410cb0-62ba-408b-a5b2-a8a6354fb090
- else
- search --no-floppy --fs-uuid --set=root 81410cb0-62ba-408b-a5b2-a8a6354fb090
- fi
- echo 'Loading Linux core repo kernel ...'
- linux /boot/vmlinuz-linux root=UUID=81410cb0-62ba-408b-a5b2-a8a6354fb090 rw
- echo 'Loading initial ramdisk ...'
- initrd /boot/initramfs-linux-fallback.img
- }
- ### END /etc/grub.d/10_linux ###
- ### BEGIN /etc/grub.d/20_linux_xen ###
- ### END /etc/grub.d/20_linux_xen ###
- ### BEGIN /etc/grub.d/30_os-prober ###
- ### END /etc/grub.d/30_os-prober ###
- ### 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 ###
- ### BEGIN /etc/grub.d/60_memtest86+ ###
- ### END /etc/grub.d/60_memtest86+ ###
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