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#!/bin/ksh -p
#
# This file and its contents are supplied under the terms of the
# Common Development and Distribution License ("CDDL"), version 1.0.
# You may only use this file in accordance with the terms of version
# 1.0 of the CDDL.
#
# A full copy of the text of the CDDL should have accompanied this
# source. A copy of the CDDL is also available via the Internet at
# http://www.illumos.org/license/CDDL.
#
#
# Copyright (c) 2018 by Delphix. All rights reserved.
#
. $STF_SUITE/tests/functional/alloc_class/alloc_class.kshlib
#
# DESCRIPTION:
# Removing a special device from a pool succeeds.
#
verify_runnable "global"
#
# Verify the file identified by the input <inode> is written on a special vdev
# According to the pool layout used in this test vdev_id 3 and 4 are special
# XXX: move this function to libtest.shlib once we get "Vdev Properties"
#
function file_in_special_vdev # <dataset> <inode>
{
typeset dataset="$1"
typeset inum="$2"
zdb -dddddd $dataset $inum | awk '{
# find DVAs from string "offset level dva" only for L0 (data) blocks
if (match($0,"L0 [0-9]+")) {
dvas[0]=$3
dvas[1]=$4
dvas[2]=$5
for (i = 0; i < 3; ++i) {
if (match(dvas[i],"([^:]+):.*")) {
dva = substr(dvas[i], RSTART, RLENGTH);
# parse DVA from string "vdev:offset:asize"
if (split(dva,arr,":") != 3) {
print "Error parsing DVA: <" dva ">";
exit 1;
}
# verify vdev is "special"
if (arr[1] < 3) {
exit 1;
}
}
}
}}'
}
#
# Check that device removal works for special class vdevs
#
function check_removal
{
#
# Create a non-raidz pool so we can remove top-level vdevs
#
log_must disk_setup
log_must zpool create $TESTPOOL $ZPOOL_DISKS \
special $CLASS_DISK0 special $CLASS_DISK1
log_must display_status "$TESTPOOL"
#
# Generate some metadata and small blocks in the special class vdev
# before removal
#
typeset -l i=1
typeset -l blocks=25
log_must zfs create -o special_small_blocks=32K -o recordsize=32K \
$TESTPOOL/$TESTFS
for i in 1 2 3 4; do
log_must dd if=/dev/urandom of=/$TESTPOOL/$TESTFS/testfile.$i \
bs=1M count=$blocks
((blocks = blocks + 25))
done
log_must sync_pool $TESTPOOL
log_must zpool list -v $TESTPOOL
# Verify the files were written in the special class vdevs
for i in 1 2 3 4; do
dataset="$TESTPOOL/$TESTFS"
inum="$(get_objnum /$TESTPOOL/$TESTFS/testfile.$i)"
log_must file_in_special_vdev $dataset $inum
done
log_must zpool remove $TESTPOOL $CLASS_DISK0
sleep 5
log_must sync_pool $TESTPOOL
sleep 1
log_must zdb -bbcc $TESTPOOL
log_must zpool list -v $TESTPOOL
log_must zpool destroy -f "$TESTPOOL"
log_must disk_cleanup
}
claim="Removing a special device from a pool succeeds."
log_assert $claim
log_onexit cleanup
typeset CLASS_DEVSIZE=$CLASS_DEVSIZE
for CLASS_DEVSIZE in $CLASS_DEVSIZE $ZPOOL_DEVSIZE; do
typeset ZPOOL_DISKS=$ZPOOL_DISKS
for ZPOOL_DISKS in "$ZPOOL_DISKS" $ZPOOL_DISK0; do
check_removal
done
done
log_pass $claim
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