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#!/usr/bin/bash -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 2007 Sun Microsystems, Inc. All rights reserved.
# Use is subject to license terms.
#
#
# Copyright (c) 2013, 2016 by Delphix. All rights reserved.
#
. $STF_SUITE/include/libtest.shlib
. $STF_SUITE/tests/functional/reservation/reservation.shlib
#
# DESCRIPTION:
#
# Reservation values cannot exceed the amount of space available
# in the pool. Verify that attempting to set a reservation greater
# than this value fails.
#
# STRATEGY:
# 1) Create a filesystem, regular and sparse volume
# 2) Get the space available in the pool
# 3) Attempt to set a reservation greater than the available space
# on the filesystem and verify it fails.
# 4) Verify that the reservation is still set to 'none' (or 0) on
# the filesystem.
# 5) Repeat 3-4 for regular and sparse volume
#
verify_runnable "both"
function cleanup
{
for obj in $OBJ_LIST; do
datasetexists $obj && log_must zfs destroy -f $obj
done
log_must zero_reservation $TESTPOOL/$TESTFS
}
log_onexit cleanup
log_assert "Reservation values cannot exceed the amount of space" \
" available in the pool"
space_avail=`get_prop available $TESTPOOL`
if ! is_global_zone ; then
OBJ_LIST=""
else
OBJ_LIST="$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 reservation=none $TESTPOOL/$TESTVOL
log_must zfs create -s -V $sparse_vol_set_size $TESTPOOL/$TESTVOL2
fi
for obj in $TESTPOOL/$TESTFS $OBJ_LIST ; do
space_avail=`get_prop available $TESTPOOL`
resv_size_set=`expr $space_avail + $RESV_DELTA`
#
# 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 zero_reservation $obj
log_mustnot zfs set reservation=$resv_size_set $obj
resv_size_get=`get_prop reservation $obj`
if (($resv_size_get != 0)); then
log_fail "Reservation value non-zero ($resv_size_get)"
fi
done
log_pass "Attempting to set too large reservation failed as expected"
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