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#!/bin/sh
md_name=$1
lv_name=$2
lv_dev=$3
cdrom_loopdev=$4
cdrom_dev=$5
. lvm-create.sh
mdadm_wait_remove()
{
# We should perhaps use mdadm --monitor's RebuildFinished event.
local dev="$1" disk="$2" tries
if ! mdadm --wait "$dev"; then
tries=1000
while ! mdadm --detail --test "$dev"; do
[ $tries -gt 0 ] || return 1
sleep 1
tries=$((tries-1))
done
fi
mdadm "$dev" --fail "$disk" || return 1
tries=100
while ! mdadm "$dev" --remove "$disk"; do
[ $tries -gt 0 ] || return 1
sleep 1
tries=$((tries-1))
done
return 0
}
Done()
{
mdadm --grow "$md_name" -n 1 --force
lvm lvrename "$lv_name".tmp "${lv_name#*/}"
losetup -d "$cdrom_loopdev"
[ -e /etc/mtab ] || ln -sf /proc/mounts /etc/mtab
eject "$cdrom_dev"
echo "[$$] Done."
}
exec >>/var/log/samizdat-cdrom-copy.log 2>&1
echo "[$$] Waiting for $cdrom_loopdev ($cdrom_dev) to be removed from $md_name."
if mdadm_wait_remove "$md_name" "$cdrom_loopdev"; then
Done;
else
echo "[$$] Warning: mdadm_wait_remove() returned $?. Doing manual copy with sg_dd (using continue-on-error)."
mdadm -D "$md_name"
mdadm "$md_name" --fail "$lv_dev".tmp
mdadm -D "$md_name"
mdadm "$md_name" --remove "$lv_dev".tmp
mdadm -D "$md_name"
mdadm /dev/md55 --grow -n1 --force
mdadm -D "$md_name"
sizelimit=$(get_cdrom_sizelimit "$cdrom_dev")
if sg_dd bs=2048 ${sizelimit:+count=$((sizelimit/2048))} iflag=coe,coe,coe if="$cdrom_dev" of="$lv_dev".tmp retries=42; then
echo "[$$] sg_dd succeeded."
mdadm "$md_name" --grow -n 2 --assume-clean --add "$lv_dev".tmp
mdadm -D "$md_name"
if mdadm_wait_remove "$md_name" "$cdrom_loopdev"; then
Done;
else
echo "[$$] Error: mdadm_wait_remove() returned $? after sg_dd. Cannot eject CDROM!"
fi
else
echo "[$$] Error: sg_dd returned $?. Cannot eject CDROM!"
fi
fi
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