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Diffstat (limited to 'tests/zfs-tests/tests/functional/reservation/reservation_004_pos.sh')
| -rwxr-xr-x | tests/zfs-tests/tests/functional/reservation/reservation_004_pos.sh | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/tests/zfs-tests/tests/functional/reservation/reservation_004_pos.sh b/tests/zfs-tests/tests/functional/reservation/reservation_004_pos.sh new file mode 100755 index 000000000000..373400228296 --- /dev/null +++ b/tests/zfs-tests/tests/functional/reservation/reservation_004_pos.sh @@ -0,0 +1,124 @@ +#!/bin/ksh -p +# +# CDDL HEADER START +# +# The contents of this file are subject to the terms of the +# Common Development and Distribution License (the "License"). +# You may not use this file except in compliance with the License. +# +# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE +# or http://www.opensolaris.org/os/licensing. +# See the License for the specific language governing permissions +# and limitations under the License. +# +# When distributing Covered Code, include this CDDL HEADER in each +# file and include the License file at usr/src/OPENSOLARIS.LICENSE. +# If applicable, add the following below this CDDL HEADER, with the +# fields enclosed by brackets "[]" replaced with your own identifying +# information: Portions Copyright [yyyy] [name of copyright owner] +# +# CDDL HEADER END +# + +# +# Copyright 2008 Sun Microsystems, Inc. All rights reserved. +# Use is subject to license terms. +# + +# +# Copyright (c) 2013 by Delphix. All rights reserved. +# + +. $STF_SUITE/include/libtest.shlib +. $STF_SUITE/tests/functional/reservation/reservation.shlib + +# +# DESCRIPTION: +# +# When a dataset which has a reservation set on it is destroyed, +# the space consumed or reserved by that dataset should be released +# back into the pool. +# +# STRATEGY: +# 1) Create a filesystem, regular and sparse volume +# 2) Get the space used and available in the pool +# 3) Set a reservation on the filesystem less than the space available. +# 4) Verify that the 'reservation' property for the filesystem has +# the correct value. +# 5) Destroy the filesystem without resetting the reservation value. +# 6) Verify that the space used and available totals for the pool have +# changed by the expected amounts (within tolerances). +# 7) Repeat steps 3-6 for a regular volume and sparse volume +# + +verify_runnable "both" + +function cleanup { + + for obj in $OBJ_LIST; do + datasetexists $obj && log_must $ZFS destroy -f $obj + done +} + +log_assert "Verify space released when a dataset with reservation is destroyed" + +log_onexit cleanup + +log_must $ZFS create $TESTPOOL/$TESTFS2 + +space_avail=`get_prop available $TESTPOOL` + +if ! is_global_zone ; then + OBJ_LIST="$TESTPOOL/$TESTFS2" +else + OBJ_LIST="$TESTPOOL/$TESTFS2 \ + $TESTPOOL/$TESTVOL $TESTPOOL/$TESTVOL2" + + ((vol_set_size = space_avail / 4)) + vol_set_size=$(floor_volsize $vol_set_size) + ((sparse_vol_set_size = space_avail * 4)) + sparse_vol_set_size=$(floor_volsize $sparse_vol_set_size) + + log_must $ZFS create -V $vol_set_size $TESTPOOL/$TESTVOL + log_must $ZFS set refreservation=none $TESTPOOL/$TESTVOL + log_must $ZFS set reservation=none $TESTPOOL/$TESTVOL + log_must $ZFS create -s -V $sparse_vol_set_size $TESTPOOL/$TESTVOL2 +fi + +# re-calculate space available. +space_avail=`get_prop available $TESTPOOL` + +# Calculate a large but valid reservation value. +resv_size_set=`expr $space_avail - $RESV_DELTA` + +for obj in $OBJ_LIST ; do + + space_avail=`get_prop available $TESTPOOL` + space_used=`get_prop used $TESTPOOL` + + # + # For regular (non-sparse) volumes the upper limit is determined + # not by the space available in the pool but rather by the size + # of the volume itself. + # + [[ $obj == $TESTPOOL/$TESTVOL ]] && \ + ((resv_size_set = vol_set_size - RESV_DELTA)) + + log_must $ZFS set reservation=$resv_size_set $obj + + resv_size_get=`get_prop reservation $obj` + if [[ $resv_size_set != $resv_size_get ]]; then + log_fail "Reservation not the expected value " \ + "($resv_size_set != $resv_size_get)" + fi + + log_must $ZFS destroy -f $obj + + new_space_avail=`get_prop available $TESTPOOL` + new_space_used=`get_prop used $TESTPOOL` + + log_must within_limits $space_used $new_space_used $RESV_TOLERANCE + log_must within_limits $space_avail $new_space_avail $RESV_TOLERANCE +done + +log_pass "Space correctly released when dataset is destroyed" |