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LegionOfHell
Apprentice
Joined: 16 Mar 2019
Posts: 212
Location: Toronto, Canada
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 Posted: Sat Jun 13, 2020 2:11 am Post subject: /etc/fstab and encrypted partition. |
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/dev/sda1 is un-encrypted and is mounted at /boot
/dev/sda2 is encrypted ... and is the rootfs
What should i put in my /etc/fstab ? is the following correct:
| Code: |
/dev/sda1 /boot vfat noatime 0 2
/dev/mapper/vg0-root / ext4 noatime 0 1
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or is using UUIDs a MUST ? like this:
| Code: |
UUID-of-/dev/sda1 /boot vfat noatime 0 2
UUID-of-/dev/mapper/vg0-root / ext4 noatime 0 1
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charles17
Advocate
Joined: 02 Mar 2008
Posts: 3422
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| Posted: Sat Jun 13, 2020 6:16 am Post subject: Re: /etc/fstab and encrypted partition. |
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AFAIK lvm does not understand UUID, so /dev/mapper/vg0-root should be ok.
For /boot you should not need an entry at all. If you want one for convenience, prefer PARTUUID over UUID. |
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coderanger
Tux's lil' helper
Joined: 19 Sep 2018
Posts: 138
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| Posted: Sat Jun 13, 2020 11:23 pm Post subject: |
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| If you use LVM on LUKS, and volumes are already activated before openrc run (e.g. by initrd) then you can use either UUID or device node /dev/mapper/vg0-root |
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NeddySeagoon
Administrator
Joined: 05 Jul 2003
Posts: 45794
Location: 56N 3W
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| Posted: Sun Jun 14, 2020 8:39 am Post subject: |
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LegionOfHell,
For the root entry in fstab, use anything you like except a symbolic link.
The entry is only used by rootfsck to know the file system type.
Symlinks in fstab are a very bad thing.
_________________
Regards,
NeddySeagoon
Computer users fall into two groups:-
those that do backups
those that have never had a hard drive fail. |
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pietinger
Apprentice
Joined: 17 Oct 2006
Posts: 264
Location: Bavaria
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| Posted: Sun Jun 14, 2020 9:20 am Post subject: Re: /etc/fstab and encrypted partition. |
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| LegionOfHell wrote: | | What should i put in my /etc/fstab ? |
Copy your needed lines from this example:
| Code: | # option "defaults" == "rw,suid,dev,exec,auto,nouser,async"
#
PARTLABEL=boot /boot vfat defaults,noauto,noatime 1 2
PARTLABEL=swap none swap sw 0 0
/dev/mapper/vg0-root / ext4 defaults,noatime 0 1
tmpfs /tmp tmpfs rw,noexec,nodev,nosuid,mode=1777 0 0
tmpfs /var/tmp/portage tmpfs rw,nodev,nosuid,size=10G,uid=portage,gid=portage,mode=775,noatime 0 0 |
... if you gave this partition-names to your partitions. |
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Installing Gentoo
