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 https://opensource.org/licenses/CDDL-1.0. 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 (c) 2016, Lawrence Livermore National Security, LLC. 25# 26 27. $STF_SUITE/include/libtest.shlib 28. $STF_SUITE/tests/functional/cli_root/zpool_create/zpool_create.cfg 29 30# 31# DESCRIPTION: 32# Many 'zpool create' and 'zpool destroy' must succeed concurrently. 33# 34# STRATEGY: 35# 1. Create N process each of which create/destroy a pool M times. 36# 2. Allow all process to run to completion. 37# 3. Verify all pools and their vdevs were destroyed. 38# 39 40verify_runnable "global" 41 42if is_32bit; then 43 log_unsupported "Test case runs slowly on 32 bit" 44fi 45 46function cleanup 47{ 48 if [[ -n "$child_pids" ]]; then 49 for wait_pid in $child_pids; do 50 kill $wait_pid 2>/dev/null 51 done 52 fi 53 54 if [[ -n "$child_pools" ]]; then 55 for pool in $child_pools; do 56 typeset vdev0="$TEST_BASE_DIR/$pool-vdev0.img" 57 typeset vdev1="$TEST_BASE_DIR/$pool-vdev1.img" 58 59 if poolexists $pool; then 60 destroy_pool $pool 61 fi 62 63 rm -f $vdev0 $vdev1 64 done 65 fi 66} 67 68log_onexit cleanup 69 70log_assert "Many 'zpool create' and 'zpool destroy' must succeed concurrently." 71 72child_pids="" 73child_pools="" 74 75function zpool_stress 76{ 77 typeset pool="$1-$$" 78 typeset vdev0="$TEST_BASE_DIR/$pool-vdev0.img" 79 typeset vdev1="$TEST_BASE_DIR/$pool-vdev1.img" 80 typeset -i iters=$2 81 typeset retry=10 82 typeset j=0 83 84 truncate -s $FILESIZE $vdev0 $vdev1 85 86 while [[ $j -lt $iters ]]; do 87 ((j = j + 1)) 88 sleep 1 89 90 zpool create $pool $vdev0 $vdev1 || return 1 91 92 # The 'zfs destroy' command is retried because it can 93 # transiently return EBUSY when blkid is concurrently 94 # probing new volumes and therefore has them open. 95 typeset k=0; 96 while [[ $k -lt $retry ]]; do 97 ((k = k + 1)) 98 99 zpool destroy $pool && break 100 [ $k -eq $retry ] && return 1 101 sleep 3 102 done 103 done 104 105 rm -f $vdev0 $vdev1 106 return 0 107} 108 109# 1. Create 128 process each of which create/destroy a pool 5 times. 110typeset i=0 111while [[ $i -lt 128 ]]; do 112 zpool_stress $TESTPOOL-$i 5 & 113 typeset pid=$! 114 115 child_pids="$child_pids $pid" 116 child_pools="$child_pools $TESTPOOL-$i-$pid" 117 ((i = i + 1)) 118done 119 120# 2. Allow all process to run to completion. 121wait 122 123# 3. Verify all pools and their vdevs were destroyed. 124for pool in $child_pools; do 125 typeset vdev0="$TEST_BASE_DIR/$pool-vdev0.img" 126 typeset vdev1="$TEST_BASE_DIR/$pool-vdev1.img" 127 128 if poolexists $pool; then 129 log_fail "pool $pool exists" 130 fi 131 132 if [ -e $vdev0 ]; then 133 log_fail "pool vdev $vdev0 exists" 134 fi 135 136 if [ -e $vdev1 ]; then 137 log_fail "pool vdev $vdev1 exists" 138 fi 139done 140 141log_pass "Many 'zpool create' and 'zpool destroy' must succeed concurrently." 142