I’ve managed to add the secondary drive in /etc/crypttab and it decrypts automatically but I don’t get the automount to work. Does anybody have an advice?
Have you tried including it in /etc/fstab?
I’ve tried, but I think I can’t get the syntax right.
I did it a few weeks ago - like this:
/dev/mapper/luks-ID /media//secondary ext4 defaults,noatime 0 1
But it didn’t boot afterwards and had to restore the /etc/fstab file via a recovery disk (which was a hassle)
Did you mean to have two ‘//’ between media and secondary? Or was that an error you made when you wrote the message here?
this is just an error here 
But is the syntax here generally right?
/dev/mapper/luks-ID TAB /media/secondary TAB ext4 TAB defaults,noatime TAB 0 TAB 1
I don’t know if this will make a difference, but I put a space instead of a tab between the final two digits / fields; also, the final ‘1’ should only be on the line for the root partition, everything else should have a 2 in that field. (The website I linked says the last two fields can be separated by spaces or tabs, so ignore that.)
Here are the first two lines from my fstab file, for comparison:
/dev/mapper/luks-root / ext4 defaults,noatime,discard 0 1
/dev/mapper/luks-swap swap swap defaults,noatime,discard 0 2
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Thank you for your help, it works now.
Maybe I had a typo somewhere
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