usr/src/test/zfs-tests/tests/functional/refreserv/refreserv_004_pos.ksh

   1 #!/bin/ksh -p
   2 #
   3 # CDDL HEADER START
   4 #
   5 # The contents of this file are subject to the terms of the
   6 # Common Development and Distribution License (the "License").
   7 # You may not use this file except in compliance with the License.
   8 #
   9 # You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10 # or http://www.opensolaris.org/os/licensing.
  11 # See the License for the specific language governing permissions
  12 # and limitations under the License.
  13 #
  14 # When distributing Covered Code, include this CDDL HEADER in each
  15 # file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16 # If applicable, add the following below this CDDL HEADER, with the
  17 # fields enclosed by brackets "[]" replaced with your own identifying
  18 # information: Portions Copyright [yyyy] [name of copyright owner]
  19 #
  20 # CDDL HEADER END
  21 #
  22
  23 #
  24 # Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  25 # Use is subject to license terms.
  26 #
  27
  28 #
  29 # Copyright (c) 2013, 2016 by Delphix. All rights reserved.
  30 #
  31
  32 . $STF_SUITE/include/libtest.shlib
  33 . $STF_SUITE/tests/functional/refreserv/refreserv.cfg
  34
  35 #
  36 # DESCRIPTION:
  37 #       Verify refreservation is limited by available space.
  38 #
  39 # STRATEGY:
  40 #       1. Setting quota and refreservation on parent filesystem.
  41 #       2. Get available space on sub-filesystem.
  42 #       3. Verify refreservation is limited by available on it.
  43 #
  44
  45 verify_runnable "both"
  46
  47 function cleanup
  48 {
  49         if is_global_zone ; then
  50                 log_must zfs set refreservation=none $TESTPOOL
  51         fi
  52         log_must zfs destroy -rf $TESTPOOL/$TESTFS
  53         log_must zfs create $TESTPOOL/$TESTFS
  54         log_must zfs set mountpoint=$TESTDIR $TESTPOOL/$TESTFS
  55 }
  56
  57 log_assert "Verify refreservation is limited by available space."
  58 log_onexit cleanup
  59
  60 pool=$TESTPOOL ; fs=$pool/$TESTFS ; subfs=$fs/subfs
  61 log_must zfs create $subfs
  62
  63 typeset datasets
  64 if is_global_zone; then
  65         datasets="$pool $fs"
  66 else
  67         datasets="$fs"
  68 fi
  69
  70 for ds in $datasets; do
  71         log_must zfs set quota=25M $ds
  72         log_must zfs set refreservation=15M $ds
  73
  74         typeset -i avail
  75         avail=$(get_prop avail $subfs)
  76         log_must zfs set refreservation=$avail $subfs
  77         typeset mntpnt
  78         mntpnt=$(get_prop mountpoint $subfs)
  79         log_must mkfile $avail $mntpnt/$TESTFILE
  80
  81         typeset -i exceed
  82         ((exceed = avail + 1))
  83         log_mustnot zfs set refreservation=$exceed $subfs
  84         log_mustnot mkfile $avail $mntpnt/$TESTFILE
  85
  86         log_must zfs set quota=none $ds
  87         log_must zfs set reservation=15M $ds
  88 done
  89
  90 log_pass "Verify refreservation is limited by available space."