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[[centos8]] *** fstab 内の記述を UUID で行う [#l8102912] /dev/sd* がどのような UUID かを見ることができる [root@serio home]# ls -l /dev/disk/by-uuid/ 合計 0 合計 0 lrwxrwxrwx. 1 root root 10 3月 31 00:28 14735185-0df8-4348-b81f-056e951727b4 -> ../../sdb1 lrwxrwxrwx. 1 root root 10 3月 31 00:29 19fe9bc3-b9cf-4ee9-ad0e-16a060ed3239 -> ../../sdd2 lrwxrwxrwx. 1 root root 10 3月 31 00:29 205fcb0b-9bb6-434e-87ad-0118a429da71 -> ../../sda1 lrwxrwxrwx. 1 root root 10 3月 31 00:29 286cb304-09ff-4ce1-be9a-630274b87bee -> ../../sdd5 lrwxrwxrwx. 1 root root 10 3月 31 00:29 8580346e-b31d-46da-937d-0a75c4fe8b7b -> ../../sdc1 lrwxrwxrwx. 1 root root 10 3月 31 00:29 9d63e8b4-5650-4c37-8ace-19f80c04331f -> ../../sdd1 lrwxrwxrwx. 1 root root 10 3月 31 00:29 d5f625f6-7318-4d2d-9113-8aaea6f392ee -> ../../sdd3 [root@serio home]# /dev/sd* がどのような UUID かを見ることができる [root@serio home]# cat /etc/fstab # # /etc/fstab # Created by anaconda on Sat Mar 22 19:20:04 2025 # # 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=d5f625f6-7318-4d2d-9113-8aaea6f392ee / xfs defaults 0 0 UUID=9d63e8b4-5650-4c37-8ace-19f80c04331f /boot xfs defaults 0 0 UUID=286cb304-09ff-4ce1-be9a-630274b87bee /home xfs defaults 0 0 UUID=19fe9bc3-b9cf-4ee9-ad0e-16a060ed3239 none swap defaults 0 0 /dev/sda1 /mnt/dsk0 ext4 defaults 0 2 /dev/sdb1 /mnt/dsk1 ext4 defaults 0 2 /dev/sdc1 /mnt/dsk2 ext4 defaults 0 2 [root@serio home]# /mnt 以下も UUID でもいいのだが、抜き差しが手軽な分スロットを入れ替えて起動しなくなるのもなんなので
