1#!/bin/ksh -p 2# 3# This file and its contents are supplied under the terms of the 4# Common Development and Distribution License ("CDDL"), version 1.0. 5# You may only use this file in accordance with the terms of version 6# 1.0 of the CDDL. 7# 8# A full copy of the text of the CDDL should have accompanied this 9# source. A copy of the CDDL is also available via the Internet at 10# http://www.illumos.org/license/CDDL. 11# 12 13# 14# Copyright 2018 Joyent, Inc. 15# 16 17. $STF_SUITE/include/libtest.shlib 18. $STF_SUITE/tests/functional/reservation/reservation.shlib 19 20# 21# DESCRIPTION: 22# 23# A thin provisioned volume can become thick provisioned with 'zfs set 24# refreservation=auto'. 25# 26# STRATEGY: 27# 1) Create a sparse value. 28# 2) Use zfs set refreservation=auto to make it thick provisioned. 29# 3) Verify that refreservation is now the size predicted by 30# volsize_to_reservation(). 31# 32 33verify_runnable "global" 34 35function cleanup 36{ 37 destroy_dataset "$TESTPOOL/$TESTVOL" "-f" 38} 39 40log_onexit cleanup 41 42log_assert "A thin provisioned volume can become thick provisioned with" \ 43 "'zfs set refreservation=auto'." 44 45space_avail=$(get_prop available $TESTPOOL) 46(( vol_size = (space_avail / 2) & ~(1024 * 1024 - 1) )) 47 48vol=$TESTPOOL/$TESTVOL 49 50# Create sparse vol and verify 51log_must zfs create -V $vol_size -s $vol 52resv=$(get_prop refreservation $vol) 53log_must test $resv -eq 0 54 55# Set refreservation 56log_must zfs set refreservation=auto $vol 57 58# Verify 59resv=$(get_prop refreservation $vol) 60expected=$(volsize_to_reservation $vol $vol_size) 61log_must test $resv -eq $expected 62 63log_pass "Setting refreservation=auto set refreservation to expected value" 64