scripts/zpool-config/md0-raid5.sh

   1 #!/bin/bash
   2 #
   3 # Four disk Raid-5 in a single Raid-0 Configuration
   4 #
   5
   6 MDADM=${MDADM:-/sbin/mdadm}
   7 MDDEVICES=${MDDEVICES:-"/dev/sd[abcd]"}
   8 MDCOUNT=${MDCOUNT:-4}
   9 MDRAID=${MDRAID:-5}
  10
  11 DEVICES="/dev/md0"
  12
  13 zpool_md_destroy() {
  14         msg ${MDADM} --manage --stop ${DEVICES}
  15         ${MDADM} --manage --stop ${DEVICES} &>/dev/null
  16
  17         msg ${MDADM} --zero-superblock ${MDDEVICES}
  18         ${MDADM} --zero-superblock ${MDDEVICES} >/dev/null
  19 }
  20
  21 zpool_create() {
  22         msg ${MDADM} --create ${DEVICES} --level=${MDRAID} \
  23                 --raid-devices=${MDCOUNT} ${MDDEVICES}
  24         ${MDADM} --create ${DEVICES} --level=${MDRAID} \
  25                 --raid-devices=${MDCOUNT} ${MDDEVICES} \
  26                 &>/dev/null || (zpool_md_destroy && exit 1)
  27
  28         msg ${ZPOOL} create ${FORCE_FLAG} ${ZPOOL_NAME} ${DEVICES}
  29         ${ZPOOL} create ${FORCE_FLAG} ${ZPOOL_NAME} \
  30                 ${DEVICES} || (zpool_md_destroy && exit 2)
  31 }
  32
  33 zpool_destroy() {
  34         msg ${ZPOOL} destroy ${ZPOOL_NAME}
  35         ${ZPOOL} destroy ${ZPOOL_NAME}
  36
  37         zpool_md_destroy
  38 }