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git.proxmox.com Git - mirror_zfs.git/blob - tests/zfs-tests/tests/functional/reservation/reservation_022_pos.ksh
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
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.
14 # Copyright 2018 Joyent, Inc.
17 .
$STF_SUITE/include
/libtest.shlib
18 .
$STF_SUITE/tests
/functional
/reservation
/reservation.shlib
23 # Cloning a volume with -o refreservation=auto creates a thick provisioned
27 # 1) Create a sparse volume.
28 # 2) Snapshot and clone it, using clone -o refreservation=auto.
29 # 3) Verify that the clone has refreservation that matches the size predicted by
30 # volsize_to_reservation().
31 # 4) Snapshot this second volume and clone it, using clone -o
32 # refreservation=auto.
33 # 5) Verify that the second clone has refreservation that matches the size
34 # predicted by volsize_to_reservation().
37 verify_runnable
"global"
41 # Destroy first vol and descendants in one go.
42 destroy_dataset
"$TESTPOOL/$TESTVOL" "-Rf"
47 log_assert
"Cloning a volume with -o refreservation=auto creates a thick" \
50 space_avail
=$
(get_prop available
$TESTPOOL)
51 (( vol_size
= (space_avail
/ 4) & ~
(1024 * 1024 - 1) ))
53 vol
=$TESTPOOL/$TESTVOL
54 vol2
=$TESTPOOL/$TESTVOL2
55 vol3
=$TESTPOOL/$TESTVOL2-again
57 # Create sparse vol and verify
58 log_must zfs create
-s -V $vol_size $vol
59 resv
=$
(get_prop refreservation
$vol)
60 log_must
test $resv -eq 0
64 log_must zfs snapshot
$snap
65 log_must zfs clone
-o refreservation
=auto
$snap $vol2
67 # Verify it is thick provisioned
68 resv
=$
(get_prop refreservation
$vol2)
69 expected
=$
(volsize_to_reservation
$vol2 $vol_size)
70 log_must
test $resv -eq $expected
72 # Clone the thick provisioned volume
74 log_must zfs snapshot
$snap
75 log_must zfs clone
-o refreservation
=auto
$snap $vol3
77 # Verify new newest clone is also thick provisioned
78 resv
=$
(get_prop refreservation
$vol3)
79 expected
=$
(volsize_to_reservation
$vol3 $vol_size)
80 log_must
test $resv -eq $expected
82 log_pass
"Cloning a thick provisioned volume results in a sparse volume"