scripts/zpool-config/dm0-raid0.sh

   1 #!/bin/bash
   2 #
   3 # Four disk Raid-0 DM in a single Raid-0 Configuration
   4 #
   5
   6 PVCREATE=${PVCREATE:-/sbin/pvcreate}
   7 PVREMOVE=${PVREMOVE:-/sbin/pvremove}
   8 PVDEVICES=${PVDEVICES:-"/dev/sd[abcd]"}
   9
  10 VGCREATE=${VGCREATE:-/sbin/vgcreate}
  11 VGREMOVE=${VGREMOVE:-/sbin/vgremove}
  12 VGNAME=${VGNAME:-"vg_tank"}
  13
  14 LVCREATE=${LVCREATE:-/sbin/lvcreate}
  15 LVREMOVE=${LVREMOVE:-/sbin/lvremove}
  16 LVNAME=${LVNAME:-"lv_tank"}
  17 LVSTRIPES=${LVSTRIPES:-4}
  18 LVSIZE=${LVSIZE:-32G}
  19
  20 DEVICES="/dev/${VGNAME}/${LVNAME}"
  21
  22 zpool_dm_destroy() {
  23         msg ${LVREMOVE} -f ${VGNAME}/${LVNAME}
  24         ${LVREMOVE} -f ${VGNAME}/${LVNAME} >/dev/null
  25
  26         msg ${VGREMOVE} -f ${VGNAME}
  27         ${VGREMOVE} -f ${VGNAME} >/dev/null
  28
  29         msg ${PVREMOVE} ${PVDEVICES}
  30         ${PVREMOVE} ${PVDEVICES} >/dev/null
  31 }
  32
  33 zpool_create() {
  34         # Remove EFI labels which cause pvcreate failure
  35         for DEVICE in ${PVDEVICES}; do
  36                 dd if=/dev/urandom of=${DEVICE} bs=1k count=32 &>/dev/null
  37         done
  38
  39         msg ${PVCREATE} -f ${PVDEVICES}
  40         ${PVCREATE} -f ${PVDEVICES} >/dev/null || exit 1
  41
  42         msg ${VGCREATE} ${VGNAME} ${PVDEVICES}
  43         ${VGCREATE} ${VGNAME} ${PVDEVICES} >/dev/null || exit 2
  44
  45         msg ${LVCREATE} --size=${LVSIZE} --stripes=${LVSTRIPES} \
  46                 --name=${LVNAME} ${VGNAME}
  47         ${LVCREATE} --size=${LVSIZE} --stripes=${LVSTRIPES} \
  48                 --name=${LVNAME} ${VGNAME} >/dev/null || exit 3
  49
  50         msg ${ZPOOL} create ${ZPOOL_FLAGS} ${ZPOOL_NAME} ${DEVICES}
  51         ${ZPOOL} create ${ZPOOL_FLAGS} ${ZPOOL_NAME} \
  52                 ${DEVICES} || (zpool_dm_destroy && exit 4)
  53 }
  54
  55 zpool_destroy() {
  56         msg ${ZPOOL} destroy ${ZPOOL_NAME}
  57         ${ZPOOL} destroy ${ZPOOL_NAME}
  58
  59         zpool_dm_destroy
  60 }