git.rot13.org Git - ganeti-extstorage-zfs/blob - sbin/lvcreate

   1 #!/bin/sh -xe
   2
   3 . /usr/share/ganeti/extstorage/zfs/defaults.sh
   4
   5 set -x
   6
   7 # gnt-instance move --node arh-hw bbb
   8 # lvcreate -L5120m -ne4bf0e9d-2c6e-4e1c-8bc4-342ee94724a5.disk0 -i1 ffzgvg tmp500g/block
   9 if echo $* | grep -q $EXTP_VG ; then
  10         SNAP=0
  11         while [ ! -z "$1" ] ; do
  12                 case $1 in
  13
  14                 -L*) VOL_SIZE=`echo $1 | sed 's/-L//'` ;;
  15                 -n*) VOL_NAME=`echo $1 | sed 's/-n//'` ;;
  16                 -s)  SNAP=1 ;;
  17                 /dev/$EXTP_VG/*) VOL_ORIGIN=`echo $1 | cut -d/ -f4`
  18
  19                 esac
  20                 shift
  21         done
  22
  23         if [ ! $SNAP ] ; then
  24
  25                 test -e /dev/zvol/$EXTP_ZFS/$VOL_NAME || \
  26                 zfs create -V ${VOL_SIZE} $EXTP_CREATE $EXTP_ZFS/$VOL_NAME
  27
  28         else
  29
  30                 zfs snap $EXTP_ZFS/$VOL_ORIGIN@snap
  31                 sleep 1
  32                 zfs clone $EXTP_ZFS/$VOL_ORIGIN@snap $EXTP_ZFS/$VOL_NAME
  33                 sleep 1
  34                 ln -sfv `readlink -f /dev/zvol/$EXTP_ZFS/$VOL_NAME` /dev/$EXTP_VG/$VOL_NAME
  35
  36         fi
  37
  38 else
  39         /sbin/lvm lvcreate $*
  40 fi