On Fri, 23 Nov 2018 at 21:41:42 +0100, Mikhail Morfikov wrote: > On 23/11/2018 20:37, Guilhem Moulin wrote: >> Did you also add a loop to wait for the block device holding the LUKS >> header? Since the device is discovered asynchronously you need to wait >> for it in order to eliminate the race. > > What exactly should I add?
Something along the lines (you might want to add a timeout too) of
DEVICE=/path/to/block/device
if [ ! -b "$DEVICE" ]; then
echo "Waiting for device..." >&2
until [ -b "$DEVICE" ]; do
sleep 1
done
fi
mount -t ext4 -o ro "$DEVICE" /boot
--
Guilhem.
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