1#!/usr/bin/bash -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 28# 29# Copyright (c) 2013 by Delphix. All rights reserved. 30# 31 32. $STF_SUITE/include/libtest.shlib 33. $STF_SUITE/tests/functional/reservation/reservation.shlib 34 35# 36# DESCRIPTION: 37# 38# ZFS allows reservations to be set on filesystems and volumes, provided 39# the reservation is less than the space available in the pool. 40# 41# STRATEGY: 42# 1) Create a regular and sparse volume 43# (filesystem already created by default_setup) 44# 2) Get the space available in the pool 45# 3) Set a reservation on the filesystem less than the space available. 46# 4) Verify that the 'reservation' property for the filesystem has 47# the correct value. 48# 5) Reset the reservation to 'none' 49# 6) Repeat steps 2-5 for both volume types 50# 51 52verify_runnable "both" 53 54function cleanup 55{ 56 for obj in $OBJ_LIST; do 57 datasetexists $obj && log_must $ZFS destroy -f $obj 58 done 59} 60 61log_onexit cleanup 62 63log_assert "Verify that to set a reservation on a filesystem or volume must " \ 64 "use value smaller than space available property of pool" 65 66space_avail=`get_prop available $TESTPOOL` 67 68if ! is_global_zone ; then 69 OBJ_LIST="" 70else 71 OBJ_LIST="$TESTPOOL/$TESTVOL $TESTPOOL/$TESTVOL2" 72 73 ((vol_set_size = space_avail / 4)) 74 vol_set_size=$(floor_volsize $vol_set_size) 75 ((sparse_vol_set_size = space_avail * 4)) 76 sparse_vol_set_size=$(floor_volsize $sparse_vol_set_size) 77 78 # 79 # Note that when creating a regular volume we are implicitly 80 # setting a reservation upon it (i.e. the size of the volume) 81 # which we reset back to zero initially. 82 # 83 log_must $ZFS create -V $vol_set_size $TESTPOOL/$TESTVOL 84 log_must $ZFS set reservation=none $TESTPOOL/$TESTVOL 85 log_must $ZFS set refreservation=none $TESTPOOL/$TESTVOL 86 log_must $ZFS create -s -V $sparse_vol_set_size $TESTPOOL/$TESTVOL2 87fi 88 89 90for obj in $TESTPOOL/$TESTFS $OBJ_LIST; do 91 92 space_avail=`get_prop available $TESTPOOL` 93 resv_size_set=`expr $space_avail - $RESV_DELTA` 94 95 # 96 # For a regular (non-sparse) volume the upper limit 97 # for reservations is not determined by the space 98 # available in the pool but rather by the size of 99 # the volume itself. 100 # 101 [[ $obj == $TESTPOOL/$TESTVOL ]] && \ 102 ((resv_size_set = vol_set_size - RESV_DELTA)) 103 104 log_must $ZFS set reservation=$resv_size_set $obj 105 106 resv_size_get=`get_prop reservation $obj` 107 if [[ $resv_size_set != $resv_size_get ]]; then 108 log_fail "Reservation not the expected value " \ 109 "($resv_size_set != $resv_size_get)" 110 fi 111 112 log_must zero_reservation $obj 113 114 new_space_avail=`get_prop available $obj` 115 116 # 117 # Due to the way space is consumed and released by metadata we 118 # can't do an exact check here, but we do do a basic sanity 119 # check. 120 # 121 log_must within_limits $space_avail $new_space_avail $RESV_TOLERANCE 122done 123 124log_pass "Successfully set reservation on filesystem and volume" 125