[Bug 1825189] Re: Using full disk encryption, on a multipath device (in this case FCP) ended up in trying to open/unlock a wrong DM device
Frank Heimes
1825189 at bugs.launchpad.net
Wed May 15 14:03:28 UTC 2019
** Tags added: architecture-s39064 s390x
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https://bugs.launchpad.net/bugs/1825189
Title:
Using full disk encryption, on a multipath device (in this case FCP)
ended up in trying to open/unlock a wrong DM device
Status in Ubuntu on IBM z Systems:
New
Status in debian-installer package in Ubuntu:
New
Bug description:
When doing a full disk encrypted installation with d-i using
"Guided - use entire disk and setup encrypted LVM"
on a multipath device (in this case zFCP/SCSI)
the post-install reboot ends in busybox/initramfs
while trying to open/unlock an incorrect device-maper device.
initrd tries to open /dev/mapper/mpatha5 but only /dev/mapper/mpatha-part5 exists.
Fixing the wrong device in crypttab like:
echo "mpatha5_crypt /dev/mapper/mpatha-part5 none luks,discard" > ./
cryptroot/crypttab
and trying to open it manually:
cryptsetup open --key-file /etc/zkey/repository/mpatha5_crypt.skey --key-size 1024 --cipher paes-xts-plain64 /dev/mapper/mpatha-part5 mpatha5_crypt
and leaving busybox again seems to work.
For more details see attachment ...
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