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I have successfully installed ArchLinux.

While I check /etc/fstab entries I do not see any mounts, even the root partition is omitted. However when I execute mount, it shows the mount-points of each on my system.

My question is how my file-system gets mounted. Would it have something to do with systemd?

Here is the output of mount

proc on /proc type proc (rw,nosuid,nodev,noexec,relatime) sys on /sys type sysfs (rw,nosuid,nodev,noexec,relatime) dev on /dev type devtmpfs (rw,nosuid,relatime,size=924480k,nr_inodes=231120,mode=755) run on /run type tmpfs (rw,nosuid,nodev,relatime,mode=755) /dev/mapper/vg_archlinux-lv_root on / type ext4 (rw,relatime,data=ordered) securityfs on /sys/kernel/security type securityfs (rw,nosuid,nodev,noexec,relatime)
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  • Did you check this? Could you add the output of /etc/fstab and mount as well? Could you explain the assumption that it has something to do with systemd? Commented Sep 14, 2014 at 10:07
  • I assume that udev got something to do with it. Commented Sep 14, 2014 at 10:49
  • @utrecht: for your reference i added the output of mount. However, as i said my /etc/fstab is an empty file. Commented Sep 14, 2014 at 11:04
  • @krs4keshara Could you indicate which version of ArchLinux you are using? According to this documentation the /etc/fstab should contain content. Did you run lsblk -f? Commented Sep 14, 2014 at 11:13
  • @utrecht: yeah, i checked that doc. It gives an output of what it supposed to when i execute lsblk -f according to the mentioned document. But what i am still trying to understand how on earth my file-system gets mounted with empty /etc/fstab. Commented Sep 14, 2014 at 11:25

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This problem is solved! - many thanks to utrecht.

what i learn during this is that any system do mounts /root partition using the bootloader in the first place. After that they are remounted by systemd if only they exist in /etc/fstab.

Due to some reason, my /etc/fstab did not generate as it should withing the installation. But the reason it worked was that bootloader mount required mount-points when the system boots.

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  • /boot/ is not remounted (as your mount output shows), nor does it need to be... Commented Sep 14, 2014 at 20:49

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