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 2009 Sun Microsystems, Inc. All rights reserved. 25# Use is subject to license terms. 26 27. $STF_SUITE/include/libtest.kshlib 28 29################################################################################# 30# 31# __stc_assertion_start 32# 33# ID: refreserv_002_pos 34# 35# DESCRIPTION: 36# Setting full size as refreservation, verify no snapshot can be created. 37# 38# STRATEGY: 39# 1. Setting full size as refreservation on pool 40# 2. Verify no snapshot can be created on this pool 41# 3. Setting full size as refreservation on filesystem 42# 4. Verify no snapshot can be created on it and its subfs 43# 44# TESTABILITY: explicit 45# 46# TEST_AUTOMATION_LEVEL: automated 47# 48# CODING_STATUS: COMPLETED (2007-11-05) 49# 50# __stc_assertion_end 51# 52################################################################################ 53 54verify_runnable "both" 55 56function cleanup 57{ 58 if is_global_zone ; then 59 log_must $ZFS set refreservation=none $TESTPOOL 60 61 if datasetexists $TESTPOOL@snap ; then 62 log_must $ZFS destroy -f $TESTPOOL@snap 63 fi 64 fi 65 log_must $ZFS destroy -rf $TESTPOOL/$TESTFS 66 log_must $ZFS create $TESTPOOL/$TESTFS 67 log_must $ZFS set mountpoint=$TESTDIR $TESTPOOL/$TESTFS 68} 69 70# This function iteratively increases refreserv to its highest possible 71# value. Simply setting refreserv == quota can allow enough writes to 72# complete that the test fails. 73function max_refreserv 74{ 75 typeset ds=$1 76 typeset -i incsize=131072 77 typeset -i rr=$(get_prop available $ds) 78 79 log_must $ZFS set refreserv=$rr $ds 80 while :; do 81 $ZFS set refreserv=$((rr + incsize)) $ds >/dev/null 2>&1 82 if [[ $? == 0 ]]; then 83 ((rr += incsize)) 84 continue 85 else 86 ((incsize /= 2)) 87 ((incsize == 0)) && break 88 fi 89 done 90} 91 92 93log_assert "Setting full size as refreservation, verify no snapshot " \ 94 "can be created." 95log_onexit cleanup 96 97log_must $ZFS create $TESTPOOL/$TESTFS/subfs 98 99typeset datasets 100if is_global_zone; then 101 datasets="$TESTPOOL $TESTPOOL/$TESTFS $TESTPOOL/$TESTFS/subfs" 102else 103 datasets="$TESTPOOL/$TESTFS $TESTPOOL/$TESTFS/subfs" 104fi 105 106for ds in $datasets; do 107 # 108 # Verify refreservation on dataset 109 # 110 log_must $ZFS set quota=25M $ds 111 max_refreserv $ds 112 log_mustnot $ZFS snapshot $ds@snap 113 if datasetexists $ds@snap ; then 114 log_fail "ERROR: $ds@snap should not exists." 115 fi 116 117 log_must $ZFS set quota=none $ds 118 log_must $ZFS set refreservation=none $ds 119done 120 121log_pass "Setting full size as refreservation, verify no snapshot " \ 122 "can be created." 123