How to specify cryptdevice by label using systemd boot?

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I'm running Arch Linux with systemd boot. In /boot/loader/entries/arch.conf I currently specify the luks crypto device with a line like this:



options rw cryptdevice=/dev/sda1:ABC root=/dev/mapper/ABC


I know I can also use UUID instead of /dev/sda1. In that case the kernel options line would look like this:



options rw cryptdevice=UUID=1f5cce52-8299-9221-b2fc-19cebc959f51:ABC root=/dev/mapper/ABC


However, can I instead use either a partition label or a volume label or any other kind of label? If so, what is the syntax?






kernel luks dm-crypt systemd-boot







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    down vote

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    I'm running Arch Linux with systemd boot. In /boot/loader/entries/arch.conf I currently specify the luks crypto device with a line like this:



    options rw cryptdevice=/dev/sda1:ABC root=/dev/mapper/ABC


    I know I can also use UUID instead of /dev/sda1. In that case the kernel options line would look like this:



    options rw cryptdevice=UUID=1f5cce52-8299-9221-b2fc-19cebc959f51:ABC root=/dev/mapper/ABC


    However, can I instead use either a partition label or a volume label or any other kind of label? If so, what is the syntax?






    kernel luks dm-crypt systemd-boot







    share|improve this question























      up vote
      0
      down vote

      favorite









      up vote
      0
      down vote

      favorite











      I'm running Arch Linux with systemd boot. In /boot/loader/entries/arch.conf I currently specify the luks crypto device with a line like this:



      options rw cryptdevice=/dev/sda1:ABC root=/dev/mapper/ABC


      I know I can also use UUID instead of /dev/sda1. In that case the kernel options line would look like this:



      options rw cryptdevice=UUID=1f5cce52-8299-9221-b2fc-19cebc959f51:ABC root=/dev/mapper/ABC


      However, can I instead use either a partition label or a volume label or any other kind of label? If so, what is the syntax?






      kernel luks dm-crypt systemd-boot







      share|improve this question













      I'm running Arch Linux with systemd boot. In /boot/loader/entries/arch.conf I currently specify the luks crypto device with a line like this:



      options rw cryptdevice=/dev/sda1:ABC root=/dev/mapper/ABC


      I know I can also use UUID instead of /dev/sda1. In that case the kernel options line would look like this:



      options rw cryptdevice=UUID=1f5cce52-8299-9221-b2fc-19cebc959f51:ABC root=/dev/mapper/ABC


      However, can I instead use either a partition label or a volume label or any other kind of label? If so, what is the syntax?






      kernel luks dm-crypt systemd-boot




      kernel luks dm-crypt systemd-boot






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      asked Sep 22 at 6:12









      MountainX

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          cryptsetup can create a label on a cryptdevice. Look in /dev/disk/by-label to make sure it matches. So



          cryptdevice=LABEL=labelname


          in the same way as 



          root=LABEL=ROOT


          works for a ROOT labelled root device






          share|improve this answer




















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            1 Answer
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            active

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            up vote
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            down vote













            cryptsetup can create a label on a cryptdevice. Look in /dev/disk/by-label to make sure it matches. So



            cryptdevice=LABEL=labelname


            in the same way as 



            root=LABEL=ROOT


            works for a ROOT labelled root device






            share|improve this answer
























              up vote
              1
              down vote













              cryptsetup can create a label on a cryptdevice. Look in /dev/disk/by-label to make sure it matches. So



              cryptdevice=LABEL=labelname


              in the same way as 



              root=LABEL=ROOT


              works for a ROOT labelled root device






              share|improve this answer






















                up vote
                1
                down vote










                up vote
                1
                down vote









                cryptsetup can create a label on a cryptdevice. Look in /dev/disk/by-label to make sure it matches. So



                cryptdevice=LABEL=labelname


                in the same way as 



                root=LABEL=ROOT


                works for a ROOT labelled root device






                share|improve this answer












                cryptsetup can create a label on a cryptdevice. Look in /dev/disk/by-label to make sure it matches. So



                cryptdevice=LABEL=labelname


                in the same way as 



                root=LABEL=ROOT


                works for a ROOT labelled root device







                share|improve this answer












                share|improve this answer



                share|improve this answer










                answered Sep 22 at 6:53









                danblack

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