forked from ungleich-public/cdist
make nuking mdadm/lvm actually work
Signed-off-by: Steven Armstrong <steven@icarus.ethz.ch>
This commit is contained in:
parent
49dfcf4885
commit
2bd48f1c8d
1 changed files with 35 additions and 29 deletions
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@ -22,38 +22,44 @@ disk="/$__object_id"
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disk_name="${disk##*/}"
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disk_name="${disk##*/}"
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cat << DONE
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cat << DONE
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# stop lvm's if any
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if find /sys/class/block/$disk_name*/holders/ -mindepth 1 | grep -q holders/dm; then
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debug() {
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if command -v vgchange >/dev/null; then
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echo "[DEBUG] \$@" >&2
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vgchange -a n
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}
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else
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echo "WARNING: vgchange command not found" >&2
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find_md_device_names() {
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local disk_name="\$1"
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for slave in \$(find /sys/devices/virtual/block/*/slaves/ -name "\${disk_name}*"); do
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debug "slave: \$slave"
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for holder in \$slave/holders/*; do
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debug "holder: \$holder"
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if [ -d "\$holder/md" ]; then
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debug "mdadm found at \$holder"
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holder_name="\${holder##*/}"
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echo "\$holder_name"
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fi
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fi
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fi
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done
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done
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}
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if command -v pvremove >/dev/null; then
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# disable any enabled volume group
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pvremove --force --force --yes "$disk" || true
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if command -v vgchange >/dev/null; then
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vgchange -a n
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else
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else
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echo "WARNING: pvremove command not found" >&2
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echo "WARNING: vgchange command not found" >&2
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fi
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fi
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# stop mdadm raids if any
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# disable any running mdadm arrays related to $disk
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if [ -r /proc/mdstat ]; then
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for md_name in \$(find_md_device_names "$disk_name" | sort | uniq); do
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md_name="\$(awk '/$disk_name/ {print \$1}' /proc/mdstat)"
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echo "md_name: \$md_name"
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if [ -n "\$md_name" ]; then
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if command -v mdadm >/dev/null; then
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if command -v mdadm >/dev/null; then
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mdadm --stop "/dev/\$md_name"
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mdadm --stop "/dev/\$md_name"
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else
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else
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echo "WARNING: mdadm command not found" >&2
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echo "WARNING: mdadm command not found" >&2
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echo "WARNING: could not stop active mdadm raid for disk $disk" >&2
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echo "WARNING: could not stop active mdadm raid for disk $disk" >&2
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fi
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fi
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fi
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done
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fi
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if command -v mdadm >/dev/null; then
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mdadm --zero-superblock --force "$disk" || true
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else
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echo "WARNING: mdadm command not found" >&2
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fi
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# clean disks from any legacy signatures
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# clean disks from any legacy signatures
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if command -v wipefs >/dev/null; then
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if command -v wipefs >/dev/null; then
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wipefs -a "$disk" || true
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wipefs -a "$disk" || true
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