scsi test

scsi.sh

#!/bin/bash

persist_tool='mpathpersist'
register() {
    local key=$1
    local disk=$2
    echo "register:$disk "
    $persist_tool  -o -I -S $key -d $disk
}
unregister() {
    local key=$1
    local disk=$2
    echo "unregister: $disk "
    $persist_tool  -o -I -K $key -d $disk
}
reserve() {
    local key=$1
    local disk=$2
    echo "reserve: $disk"
    $persist_tool  -o -R -T 5 -K $key -d $disk
}
preempt() {
    local key=$1
    local disk=$2
    local oldkey=$3
    echo "preempt: $disk"
    $persist_tool  -o -P -T 5 -K $key -S $oldkey -d $disk
}
get_reservation() {
    local disk=$1
    echo "get_reservation: $disk"
    $persist_tool  -i -r -d $disk
}

release() {
    local key=$1
    local disk=$2
    echo "release: $disk"
    $persist_tool  -o -L -T 5 -K $key -d $disk
}

umount() {
    local disk=$1
    umount $disk
}

read_only() {
    local disk=$1
    local point=$2
    mount -o ro $disk $point
}

get_regiest() {
  local disk=$1
  $persist_tool  -i -k -d $disk
}

###############main program ############
master_disk=$2
rkey=$3
okey=''

if [[ $1 == 'register' ]]; then
  register $rkey $master_disk
  get_regiest $master_disk
fi

if [[ $1 == 'reserve' ]]; then
   reserve $rkey $master_disk
   get_reservation $master_disk
fi

if [[ $1 == 'promote' ]]; then
  echo "promote"
  # register $rkey $master_disk
  # [ $? -ne 0 ] && exit
  # unregister $rkey $master_disk
  # [ $? -ne 0 ] && exit
  okey=`get_reservation $master_disk|grep 'Key'|cut -d'=' -f2`

  register $rkey $master_disk
  [ $? -ne 0 ] && exit
  get_regiest $master_disk
  preempt $rkey $master_disk $okey
  get_reservation $master_disk



  read_only $master_disk /opt/iscsi_read
  df -h

  # release $rkey $master_disk

  # umount $master_disk

  # register 0x6841 $master_disk

  # preempt 0x6841 $master_disk $okey

fi

if [[ $1 == 'recover' ]]; then
  echo "recover"
  register $rkey $master_disk
  reserve $rkey $master_disk
  get_reservation $master_disk
fi

if [[ $1 == 'get_key' ]]; then
  get_regiest $master_disk
fi

if [[ $1 == 'get_r' ]]; then
  get_reservation $master_disk
fi

if [[ $1 == 'clear' ]]; then
  $persist_tool -o -C -K $rkey -d $master_disk
  get_regiest $master_disk
  get_reservation $master_disk
fi