1#! /usr/local/bin/ksh93 -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# $FreeBSD$ 24 25# 26# Copyright 2008 Sun Microsystems, Inc. All rights reserved. 27# Use is subject to license terms. 28# 29# ident "@(#)reservation_004_pos.ksh 1.3 08/02/27 SMI" 30# 31 32. $STF_SUITE/include/libtest.kshlib 33. $STF_SUITE/tests/reservation/reservation.kshlib 34 35############################################################################### 36# 37# __stc_assertion_start 38# 39# ID: reservation_004_pos 40# 41# DESCRIPTION: 42# 43# When a dataset which has a reservation set on it is destroyed, 44# the space consumed or reserved by that dataset should be released 45# back into the pool. 46# 47# STRATEGY: 48# 1) Create a filesystem, regular and sparse volume 49# 2) Get the space used and available in the pool 50# 3) Set a reservation on the filesystem less than the space available. 51# 4) Verify that the 'reservation' property for the filesystem has 52# the correct value. 53# 5) Destroy the filesystem without resetting the reservation value. 54# 6) Verify that the space used and available totals for the pool have 55# changed by the expected amounts (within tolerances). 56# 7) Repeat steps 3-6 for a regular volume and sparse volume 57# 58# TESTABILITY: explicit 59# 60# TEST_AUTOMATION_LEVEL: automated 61# 62# CODING_STATUS: COMPLETED (2005-07-19) 63# 64# __stc_assertion_end 65# 66################################################################################ 67 68verify_runnable "both" 69 70log_assert "Verify space released when a dataset with reservation is destroyed" 71 72log_must $ZFS create $TESTPOOL/$TESTFS2 73 74space_avail=`get_prop available $TESTPOOL` 75 76if ! is_global_zone ; then 77 OBJ_LIST="$TESTPOOL/$TESTFS2" 78else 79 OBJ_LIST="$TESTPOOL/$TESTFS2 \ 80 $TESTPOOL/$TESTVOL $TESTPOOL/$TESTVOL2" 81 82 (( vol_set_size = space_avail / 4 )) 83 vol_set_size=$(floor_volsize $vol_set_size) 84 (( sparse_vol_set_size = space_avail * 4 )) 85 sparse_vol_set_size=$(floor_volsize $sparse_vol_set_size) 86 87 log_must $ZFS create -V $vol_set_size $TESTPOOL/$TESTVOL 88 if fs_prop_exist refreserv; then 89 log_must $ZFS set refreservation=none $TESTPOOL/$TESTVOL 90 fi 91 log_must $ZFS set reservation=none $TESTPOOL/$TESTVOL 92 log_must $ZFS create -s -V $sparse_vol_set_size $TESTPOOL/$TESTVOL2 93fi 94 95# re-calculate space available. 96space_avail=`get_prop available $TESTPOOL` 97 98# Calculate a large but valid reservation value. 99resv_size_set=`expr $space_avail - $RESV_DELTA` 100 101for obj in $OBJ_LIST ; do 102 103 space_avail=`get_prop available $TESTPOOL` 104 space_used=`get_prop used $TESTPOOL` 105 106 # 107 # For regular (non-sparse) volumes the upper limit is determined 108 # not by the space available in the pool but rather by the size 109 # of the volume itself. 110 # 111 [[ $obj == $TESTPOOL/$TESTVOL ]] && \ 112 (( resv_size_set = vol_set_size - RESV_DELTA )) 113 114 log_must $ZFS set reservation=$resv_size_set $obj 115 116 resv_size_get=`get_prop reservation $obj` 117 if [[ $resv_size_set != $resv_size_get ]]; then 118 log_fail "Reservation not the expected value " \ 119 "($resv_size_set != $resv_size_get)" 120 fi 121 122 log_must $ZFS destroy -f $obj 123 124 new_space_avail=`get_prop available $TESTPOOL` 125 new_space_used=`get_prop used $TESTPOOL` 126 127 log_must within_limits $space_used $new_space_used $RESV_TOLERANCE 128 log_must within_limits $space_avail $new_space_avail $RESV_TOLERANCE 129done 130 131log_pass "Space correctly released when dataset is destroyed" 132