Add mr_replace.sh mr_remove.sh mr_add.sh

mr_add.sh

@@ -0,0 +1,49 @@
+#!/bin/bash
+
+set -e
+
+if [ "$#" -ne "4" ]; then
+  echo "$0: <MAP> <NAME> <RAIDDEV> <DIMG>"
+  exit 1
+fi
+
+MAP="$1"
+NAME="$2"
+RAIDDEV="$3"
+NEWDIMG="$4"
+
+if [ `id -u` -ne "0" ]; then
+  echo "Got Root?"
+  exit 2
+fi
+
+if [ ! -r ${MAP} ]; then
+  echo "${MAP} is not readable!"
+  exit 3
+fi
+
+if [ ! -b ${RAIDDEV} ]; then
+  echo "${RAIDDEV} is not a block device!"
+  exit 4
+fi
+
+if [ ! -f ${NEWDIMG} ]; then
+  echo "${NEWDIMG} is not a file!"
+  exit 5
+fi
+
+LOBIN=`PATH="/sbin:/usr/sbin:$PATH" which losetup`
+if [ "$?" != "0" ]; then
+  echo "losetup not found!"
+  exit 6
+fi
+
+MDBIN=`PATH="/sbin:/usr/sbin:$PATH" which mdadm`
+if [ "$?" != "0" ]; then
+  echo "mdadm not found!"
+  exit 7
+fi
+
+echo "Attaching ${NEWDIMG} ..."
+NEWLOOP=`${LOBIN} --find --show ${NEWDIMG}`
+${MDBIN} ${RAIDDEV} --add-spare ${NEWLOOP}

mr_remove.sh

@@ -0,0 +1,56 @@
+#!/bin/bash
+
+set -e
+
+if [ "$#" -ne "4" ]; then
+  echo "$0: <MAP> <NAME> <RAIDDEV> <LOOP>"
+  exit 1
+fi
+
+MAP="$1"
+NAME="$2"
+RAIDDEV="$3"
+FLOOP="$4"
+
+if [ `id -u` -ne "0" ]; then
+  echo "Got Root?"
+  exit 2
+fi
+
+if [ ! -r ${MAP} ]; then
+  echo "${MAP} is not readable!"
+  exit 3
+fi
+
+if [ ! -b ${RAIDDEV} ]; then
+  echo "${RAIDDEV} is not a block device!"
+  exit 4
+fi
+
+if [ ! -b ${FLOOP} ]; then
+  echo "${FLOOP} is not a block device!"
+  exit 5
+fi
+
+MDBIN=`PATH="/sbin:/usr/sbin:$PATH" which mdadm`
+if [ "$?" != "0" ]; then
+  echo "mdadm not found!"
+  exit 5
+fi
+
+LOBIN=`PATH="/sbin:/usr/sbin:$PATH" which losetup`
+if [ "$?" != "0" ]; then
+  echo "losetup not found!"
+  exit 6
+fi
+
+# Set faulty and remove from the array
+# unless it has already been removed
+if ${MDBIN} --detail ${RAIDDEV} | grep -qw ${FLOOP}; then
+  ${MDBIN} ${RAIDDEV} -f ${FLOOP}
+  ${MDBIN} ${RAIDDEV} -r ${FLOOP}
+fi
+
+# Detach the faulty loop
+echo "Detaching ${FLOOP} ..."
+${LOBIN} -d ${FLOOP}

mr_replace.sh

@@ -0,0 +1,81 @@
+#!/bin/bash
+
+SCRIPTDIR=`dirname $0`
+REMOVESCRIPT="${SCRIPTDIR}/mr_remove.sh"
+ADDSCRIPT="${SCRIPTDIR}/mr_add.sh"
+set -e
+
+if [ "$#" -ne "4" ]; then
+  echo "$0: <MAP> <NAME> <RAIDDEV> [FILE|LOOP]"
+  exit 1
+fi
+
+MAP="$1"
+NAME="$2"
+RAIDDEV="$3"
+
+if [ `id -u` -ne "0" ]; then
+  echo "Got Root?"
+  exit 2
+fi
+
+if [ ! -r ${MAP} ]; then
+  echo "${MAP} is not readable!"
+  exit 3
+fi
+
+if [ ! -b ${RAIDDEV} ]; then
+  echo "${RAIDDEV} is not a block device!"
+  exit 4
+fi
+
+LOBIN=`PATH="/sbin:/usr/sbin:$PATH" which losetup`
+if [ "$?" != "0" ]; then
+  echo "losetup not found!"
+  exit 5
+fi
+
+if [ -b "$4" ]; then
+  LOOP="$4"
+  FDIMG=`${LOBIN} -a | grep -w ${LOOP} | cut -d\( -f2 | cut -d\) -f1`
+elif [ -f "$4" ]; then
+  FDIMG="$4"
+  LOOP=`${LOBIN} -a | grep -w ${FDIMG} | cut -d: -f1`
+else
+  echo "I dont know what to do with $4"
+  exit 6
+fi
+
+if [ ! -b "${LOOP}" ]; then
+  echo "${LOOP} is not a block device!"
+  exit 7
+fi
+
+if [ ! -r "${FDIMG}" ]; then
+  echo "${FDIMG} is not readable!"
+  exit 8
+fi
+
+echo "Replacing Faulty Disk Image: ${FDIMG} (${LOOP}) ..."
+echo "Continue? (y/N)"
+read ANS
+echo
+
+# Why can't I use -a here on ubuntu??
+if [ "${ANS}" != "y" ] && [ "${ANS}" != "Y" ]; then
+  echo "Patiently awaiting your orders."
+  exit 0
+fi
+
+${REMOVESCRIPT} ${MAP} ${NAME} ${RAIDDEV} ${LOOP}
+
+echo
+BYTES=`ls -l ${FDIMG} | awk '{print $5}' | sort -u | head -n1`
+mv ${FDIMG} ${FDIMG}.bad
+#dd if=/dev/zero of=${FDLOC}/${FDIMG} bs=4096 count=0 seek=1024
+#dd if=/dev/zero of=${FDLOC}/${FDIMG} bs=1 count=0 seek=4194304
+echo "Creating new disk image: ${FDIMG}"
+dd if=/dev/zero of=${FDIMG} bs=1 count=${BYTES}
+echo
+
+${ADDSCRIPT} ${MAP} ${NAME} ${RAIDDEV} ${FDIMG}