FSTAB

Revision 2 as of 2019-10-22 20:42:06

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FSTAB

This document will describe fstab stanzas for different filesystems and partitions as standardized in Ubuntu across various things that parse/create/install/consume fstab entries.

device specification

  1. By unique device-mapper UUID
    1. Linux RAID
    2. LVM
    3. Multipath
    4. Other device-mapper
  2. By stable device-mapper name
  3. By-fs UUID
  4. By-device name

fs default options

  1. any: discard
  2. rootfs: ext4 discard,errors=remount-ro 0 1
  3. /boot: ext4 discard,noatime,nodiratime 0 2
  4. /boot/efi: vfat umask=0077 0 1

bootloader specification

Examples