xref: /freebsd/sys/contrib/openzfs/tests/zfs-tests/tests/functional/alloc_class/alloc_class_012_pos.ksh (revision c03c5b1c80914ec656fbee84539355d1fad68bf9) 
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#
17
18. $STF_SUITE/tests/functional/alloc_class/alloc_class.kshlib
19
20#
21# DESCRIPTION:
22#	Removing a special device from a pool succeeds.
23#
24
25verify_runnable "global"
26
27#
28# Verify the file identified by the input <inode> is written on a special vdev
29# According to the pool layout used in this test vdev_id 3 and 4 are special
30# XXX: move this function to libtest.shlib once we get "Vdev Properties"
31#
32function file_in_special_vdev # <dataset> <inode>
33{
34	typeset dataset="$1"
35	typeset inum="$2"
36	typeset num_normal=$(echo $ZPOOL_DISKS | wc -w)
37	num_normal=${num_normal##* }
38
39	zdb -dddddd $dataset $inum | awk -v d=$num_normal '{
40# find DVAs from string "offset level dva" only for L0 (data) blocks
41if (match($0,"L0 [0-9]+")) {
42   dvas[0]=$3
43   dvas[1]=$4
44   dvas[2]=$5
45   for (i = 0; i < 3; ++i) {
46      if (match(dvas[i],"([^:]+):.*")) {
47         dva = substr(dvas[i], RSTART, RLENGTH);
48         # parse DVA from string "vdev:offset:asize"
49         if (split(dva,arr,":") != 3) {
50            print "Error parsing DVA: <" dva ">";
51            exit 1;
52         }
53         # verify vdev is "special"
54         if (arr[1] < d) {
55            exit 1;
56         }
57      }
58   }
59}}'
60}
61
62#
63# Check that device removal works for special class vdevs
64#
65function check_removal
66{
67	#
68	# Create a non-raidz pool so we can remove top-level vdevs
69	#
70	log_must disk_setup
71	log_must zpool create $TESTPOOL $ZPOOL_DISKS \
72	    special $CLASS_DISK0 special $CLASS_DISK1
73	log_must display_status "$TESTPOOL"
74
75	#
76	# Generate some metadata and small blocks in the special class vdev
77	# before removal
78	#
79	typeset -l i=1
80	typeset -l blocks=25
81
82	log_must zfs create -o special_small_blocks=32K -o recordsize=32K \
83	    $TESTPOOL/$TESTFS
84	for i in 1 2 3 4; do
85		log_must dd if=/dev/urandom of=/$TESTPOOL/$TESTFS/testfile.$i \
86		    bs=1M count=$blocks
87		((blocks = blocks + 25))
88	done
89	sync_pool $TESTPOOL
90	log_must zpool list -v $TESTPOOL
91
92	# Verify the files were written in the special class vdevs
93	for i in 1 2 3 4; do
94		dataset="$TESTPOOL/$TESTFS"
95		inum="$(get_objnum /$TESTPOOL/$TESTFS/testfile.$i)"
96		log_must file_in_special_vdev $dataset $inum
97	done
98
99	log_must zpool remove $TESTPOOL $CLASS_DISK0
100
101	sleep 5
102	sync_pool $TESTPOOL
103	sleep 1
104
105	log_must zdb -bbcc $TESTPOOL
106	log_must zpool list -v $TESTPOOL
107	log_must zpool destroy -f "$TESTPOOL"
108	log_must disk_cleanup
109}
110
111claim="Removing a special device from a pool succeeds."
112
113log_assert $claim
114log_onexit cleanup
115
116typeset CLASS_DEVSIZE=$CLASS_DEVSIZE
117for CLASS_DEVSIZE in $CLASS_DEVSIZE $ZPOOL_DEVSIZE; do
118	typeset ZPOOL_DISKS=$ZPOOL_DISKS
119	for ZPOOL_DISKS in "$ZPOOL_DISKS" $ZPOOL_DISK0; do
120		check_removal
121	done
122done
123
124log_pass $claim
125