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#!/bin/bash
all=$(
find /dev -mindepth 1 -maxdepth 1 -type b -regextype grep \
\( \
-regex '.*/sd[a-z]\+' -o \
-regex '.*/md[0-9]\+' -o \
-regex '.*/dm-[0-9]\+' \
\) \
-printf '%f\n' | \
sort -u
)
crypts=$(
grep '^[^#]' /etc/crypttab | \
awk '{print $2}' | \
xargs -rn1 readlink -f | \
sed 's|^.*/||' | \
sort -u
)
legs=$(
sed -n '
s/^md[0-9]\+ : active raid[0156] //
T
p
' /proc/mdstat | \
tr ' ' '\n' | \
sed '
s/\[[^]]\+]$//
/^sd/s/[0-9]\+$//
' | \
sort -u
)
mounts=$(
mount | \
cut -d' ' -f1 | \
grep '^/dev/\(sd[a-z]\+\|md[0-9]\+\|dm-[0-9]\+\)$' | \
sed 's|^.*/||'
)
{
echo "$all"
echo "$crypts"
echo "$legs"
echo "$mounts"
} | \
sort | \
uniq -u | \
while read dev; do
printf '%s:' "$dev"
if mdadm --examine "/dev/$dev" &> /dev/null; then
printf ' mdadm'
fi
if cryptsetup luksDump "/dev/$dev" &> /dev/null; then
printf ' luks'
fi
if e2label "/dev/$dev" &> /dev/null; then
printf ' ext[234]'
fi
printf '\n'
done
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