1#!/bin/ksh -p
2
3#
4# This file and its contents are supplied under the terms of the
5# Common Development and Distribution License ("CDDL"), version 1.0.
6# You may only use this file in accordance with the terms of version
7# 1.0 of the CDDL.
8#
9# A full copy of the text of the CDDL should have accompanied this
10# source.  A copy of the CDDL is also available via the Internet at
11# http://www.illumos.org/license/CDDL.
12#
13
14#
15# Copyright (c) 2018 by Delphix. All rights reserved.
16# Copyright 2019 Joyent, Inc.
17#
18
19. $STF_SUITE/tests/functional/alloc_class/alloc_class.kshlib
20
21#
22# DESCRIPTION:
23#	Removing a special device from a pool succeeds.
24#
25
26verify_runnable "global"
27
28#
29# Verify the file identified by the input <inode> is written on a special vdev
30# According to the pool layout used in this test vdev_id 3 and 4 are special
31# XXX: move this function to libtest.shlib once we get "Vdev Properties"
32#
33function file_in_special_vdev # <dataset> <inode>
34{
35	typeset dataset="$1"
36	typeset inum="$2"
37
38	zdb -dddddd $dataset $inum | nawk '{
39# find DVAs from string "offset level dva" only for L0 (data) blocks
40if (match($0,"L0 [0-9]+")) {
41   dvas[0]=$3
42   dvas[1]=$4
43   dvas[2]=$5
44   for (i = 0; i < 3; ++i) {
45      if (match(dvas[i],"([^:]+):.*")) {
46         dva = substr(dvas[i], RSTART, RLENGTH);
47         # parse DVA from string "vdev:offset:asize"
48         if (split(dva,arr,":") != 3) {
49            print "Error parsing DVA: <" dva ">";
50            exit 1;
51         }
52         # verify vdev is "special"
53         if (arr[1] < 3) {
54            exit 1;
55         }
56      }
57   }
58}}'
59}
60
61claim="Removing a special device from a pool succeeds."
62
63log_assert $claim
64log_onexit cleanup
65
66#
67# Create a non-raidz pool so we can remove top-level vdevs
68#
69log_must disk_setup
70log_must zpool create $TESTPOOL $ZPOOL_DISK0 $ZPOOL_DISK1 $ZPOOL_DISK2 \
71  special $CLASS_DISK0 special $CLASS_DISK1
72log_must display_status "$TESTPOOL"
73
74#
75# Generate some metadata and small blocks in the special class before removal
76#
77typeset -l i=1
78typeset -l blocks=25
79
80log_must zfs create -o special_small_blocks=32K -o recordsize=32K \
81	$TESTPOOL/$TESTFS
82for i in 1 2 3 4; do
83	log_must dd if=/dev/urandom of=/$TESTPOOL/$TESTFS/testfile.$i bs=1M \
84	    count=$blocks
85	((blocks = blocks + 25))
86done
87sync_pool $TESTPOOL
88log_must zpool list -v $TESTPOOL
89
90# Verify the files were written in the special class vdevs
91for i in 1 2 3 4; do
92	dataset="$TESTPOOL/$TESTFS"
93	inum="$(stat -c '%i' /$TESTPOOL/$TESTFS/testfile.$i)"
94	log_must file_in_special_vdev $dataset $inum
95done
96
97#
98# remove a special allocation vdev and force a remapping
99#
100log_must zpool remove $TESTPOOL $CLASS_DISK0
101log_must zfs remap $TESTPOOL/$TESTFS
102
103sleep 5
104sync_pool $TESTPOOL
105sleep 1
106
107log_must zdb -bbcc $TESTPOOL
108log_must zpool list -v $TESTPOOL
109log_must zpool destroy -f "$TESTPOOL"
110
111log_pass $claim
112