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1 | #!/bin/ksh -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 | # | |
c1d9abf9 | 29 | # Copyright (c) 2013, 2016 by Delphix. All rights reserved. |
6bb24f4d BB |
30 | # |
31 | ||
32 | . $STF_SUITE/include/libtest.shlib | |
33 | . $STF_SUITE/tests/functional/reservation/reservation.shlib | |
34 | ||
35 | # | |
36 | # DESCRIPTION: | |
37 | # | |
38 | # When a dataset which has a reservation set on it is destroyed, | |
39 | # the space consumed or reserved by that dataset should be released | |
40 | # back into the pool. | |
41 | # | |
42 | # STRATEGY: | |
43 | # 1) Create a filesystem, regular and sparse volume | |
44 | # 2) Get the space used and 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) Destroy the filesystem without resetting the reservation value. | |
49 | # 6) Verify that the space used and available totals for the pool have | |
50 | # changed by the expected amounts (within tolerances). | |
51 | # 7) Repeat steps 3-6 for a regular volume and sparse volume | |
52 | # | |
53 | ||
54 | verify_runnable "both" | |
55 | ||
56 | function cleanup { | |
57 | ||
58 | for obj in $OBJ_LIST; do | |
e3bdcb8a | 59 | datasetexists $obj && log_must_busy zfs destroy -f $obj |
6bb24f4d BB |
60 | done |
61 | } | |
62 | ||
63 | log_assert "Verify space released when a dataset with reservation is destroyed" | |
64 | ||
65 | log_onexit cleanup | |
66 | ||
c1d9abf9 | 67 | log_must zfs create $TESTPOOL/$TESTFS2 |
6bb24f4d BB |
68 | |
69 | space_avail=`get_prop available $TESTPOOL` | |
70 | ||
71 | if ! is_global_zone ; then | |
72 | OBJ_LIST="$TESTPOOL/$TESTFS2" | |
73 | else | |
74 | OBJ_LIST="$TESTPOOL/$TESTFS2 \ | |
75 | $TESTPOOL/$TESTVOL $TESTPOOL/$TESTVOL2" | |
76 | ||
77 | ((vol_set_size = space_avail / 4)) | |
78 | vol_set_size=$(floor_volsize $vol_set_size) | |
79 | ((sparse_vol_set_size = space_avail * 4)) | |
80 | sparse_vol_set_size=$(floor_volsize $sparse_vol_set_size) | |
81 | ||
c1d9abf9 JWK |
82 | log_must zfs create -V $vol_set_size $TESTPOOL/$TESTVOL |
83 | log_must zfs set refreservation=none $TESTPOOL/$TESTVOL | |
84 | log_must zfs set reservation=none $TESTPOOL/$TESTVOL | |
85 | log_must zfs create -s -V $sparse_vol_set_size $TESTPOOL/$TESTVOL2 | |
6bb24f4d BB |
86 | fi |
87 | ||
88 | # re-calculate space available. | |
89 | space_avail=`get_prop available $TESTPOOL` | |
90 | ||
91 | # Calculate a large but valid reservation value. | |
92 | resv_size_set=`expr $space_avail - $RESV_DELTA` | |
93 | ||
94 | for obj in $OBJ_LIST ; do | |
95 | ||
96 | space_avail=`get_prop available $TESTPOOL` | |
97 | space_used=`get_prop used $TESTPOOL` | |
98 | ||
99 | # | |
100 | # For regular (non-sparse) volumes the upper limit is determined | |
101 | # not by the space available in the pool but rather by the size | |
102 | # of the volume itself. | |
103 | # | |
104 | [[ $obj == $TESTPOOL/$TESTVOL ]] && \ | |
105 | ((resv_size_set = vol_set_size - RESV_DELTA)) | |
106 | ||
c1d9abf9 | 107 | log_must zfs set reservation=$resv_size_set $obj |
6bb24f4d BB |
108 | |
109 | resv_size_get=`get_prop reservation $obj` | |
110 | if [[ $resv_size_set != $resv_size_get ]]; then | |
111 | log_fail "Reservation not the expected value " \ | |
112 | "($resv_size_set != $resv_size_get)" | |
113 | fi | |
114 | ||
e3bdcb8a | 115 | log_must_busy zfs destroy -f $obj |
6bb24f4d BB |
116 | |
117 | new_space_avail=`get_prop available $TESTPOOL` | |
118 | new_space_used=`get_prop used $TESTPOOL` | |
119 | ||
492f64e9 PD |
120 | # |
121 | # Recent changes to metaslab logic have caused these tests to expand | |
122 | # outside of their previous tolerance. If this is discovered to be a | |
123 | # bug, rather than a side effect of some interactions, the reservation | |
124 | # should be halved again. | |
125 | # | |
6bb24f4d BB |
126 | log_must within_limits $space_used $new_space_used $RESV_TOLERANCE |
127 | log_must within_limits $space_avail $new_space_avail $RESV_TOLERANCE | |
128 | done | |
129 | ||
130 | log_pass "Space correctly released when dataset is destroyed" |