[pkg-cryptsetup-devel] Bug#961671: Renaming crypttab mapping

[Ed Schaller]

Package: cryptsetup-initramfs

Every time I see bug #671037 referenced in the docs (README.initramfs.gz)
or do a rename I feel bad. When I first encountered this long before the
bug was submitted I found a easier/safer way. Sorry for not responding till
now.

if you have

old_name   /dev/... none luks

and you want new_name instead, modify your crypttab

new_name /dev/... none luks

rename the mapping

dmsetup rename old_name new_name

update the initramfs

update-initramfs -uk all

done.

As far as the currently booted system goes, it already sees the new names,
so a reboot is actually optional. I would recommend a reboot though as
you'd likely rather find out now that you have a problem than the next time
the power goes out.

Sorry I didn't send this nearly a decade sooner. Thanks for the fantastic
initram(rd/fs) support provided in Debian.

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