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#!/bin/ksh -p
#
# CDDL HEADER START
#
# The contents of this file are subject to the terms of the
# Common Development and Distribution License (the "License").
# You may not use this file except in compliance with the License.
#
# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
# or https://opensource.org/licenses/CDDL-1.0.
# See the License for the specific language governing permissions
# and limitations under the License.
#
# When distributing Covered Code, include this CDDL HEADER in each
# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
# If applicable, add the following below this CDDL HEADER, with the
# fields enclosed by brackets "[]" replaced with your own identifying
# information: Portions Copyright [yyyy] [name of copyright owner]
#
# CDDL HEADER END
#
#
# Copyright 2016, loli10K. All rights reserved.
# Copyright (c) 2017 Datto Inc.
#
. $STF_SUITE/include/libtest.shlib
. $STF_SUITE/tests/functional/cli_root/zpool_create/zpool_create.shlib
#
# DESCRIPTION:
# 'zpool create -o ashift=<n> ...' should work with different ashift
# values.
#
# STRATEGY:
# 1. Create various pools with different ashift values.
# 2. Verify -o ashift=<n> works only with allowed values (9-16).
# Also verify that the lowest number of uberblocks in a label is 16 and
# smallest uberblock size is 8K even with higher ashift values.
#
verify_runnable "global"
function cleanup
{
poolexists $TESTPOOL && destroy_pool $TESTPOOL
rm -f $disk
}
#
# Fill the uberblock ring in every <device> label: we do this by committing
# TXGs to the provided <pool> until every slot contains a valid uberblock.
# NOTE: We use 'zpool sync' here because we can't force it via sync(1) like on
# illumos
#
function write_device_uberblocks # <device> <pool>
{
typeset device=$1
typeset pool=$2
while zdb -quuul $device | grep -q 'invalid'; do
sync_pool $pool true
done
}
#
# Verify every label on <device> contains <count> (valid) uberblocks
#
function verify_device_uberblocks # <device> <count>
{
typeset device=$1
typeset ubcount=$2
zdb -quuul $device | awk -v ubcount=$ubcount '
/Uberblock/ && ! /invalid/ { uberblocks[$0]++ }
END {
count = 0
for (i in uberblocks) {
if (uberblocks[i] != 4) {
printf "%s count: %s != 4\n", i, uberblocks[i]
exit 1
}
count++;
}
if (count != ubcount) {
printf "Total uberblock count: %s != %s\n", count, ubcount
exit 1
}
}'
}
log_assert "zpool create -o ashift=<n>' works with different ashift values"
log_onexit cleanup
disk=$(create_blockfile $SIZE)
typeset ashifts=("9" "10" "11" "12" "13" "14" "15" "16")
# since Illumos 4958 the largest uberblock is 8K so we have at least of 16/label
typeset ubcount=("128" "128" "64" "32" "16" "16" "16" "16")
typeset -i i=0;
while [ $i -lt "${#ashifts[@]}" ]
do
typeset ashift=${ashifts[$i]}
log_must zpool create -o ashift=$ashift $TESTPOOL $disk
typeset pprop=$(get_pool_prop ashift $TESTPOOL)
verify_ashift $disk $ashift
if [[ $? -ne 0 || "$pprop" != "$ashift" ]]
then
log_fail "Pool was created without setting ashift value to "\
"$ashift (current = $pprop)"
fi
write_device_uberblocks $disk $TESTPOOL
log_must verify_device_uberblocks $disk ${ubcount[$i]}
# clean things for the next run
log_must zpool destroy $TESTPOOL
log_must zpool labelclear $disk
log_must verify_device_uberblocks $disk 0
((i = i + 1))
done
typeset badvals=("off" "on" "1" "8" "17" "1b" "ff" "-")
for badval in ${badvals[@]}
do
log_mustnot zpool create -o ashift="$badval" $TESTPOOL $disk
done
log_pass "zpool create -o ashift=<n>' works with different ashift values"
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