Archネットブックちゃんの/boot確認してみるよ!

$ df /boot
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/sda1 30582632 9943668 19060112 35% /

分けてないじゃんw

$ lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTS
sda 8:0 0 298.1G 0 disk
├─sda1 8:1 0 29.8G 0 part /
├─sda2 8:2 0 1.9G 0 part [SWAP]
├─sda3 8:3 0 133.2G 0 part /home
└─sda4 8:4 0 133.2G 0 part /backup

ほむ

# sfdisk -l /dev/sda
Disk /dev/sda: 298.09 GiB, 320072933376 bytes, 625142448 sectors
Disk model: …
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disklabel type: dos
Disk identifier: …

Device Boot Start End Sectors Size Id Type
/dev/sda1 * 2048 62500863 62498816 29.8G 83 Linux
/dev/sda2 62500864 66406399 3905536 1.9G 82 Linux swap / Solaris
/dev/sda3 66406400 345702399 279296000 133.2G 83 Linux
/dev/sda4 345702400 625141759 279439360 133.2G 83 Linux

ほむほむ