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