#!/bin/ksh # # 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) 2019 by Datto, Inc. All rights reserved. # . $STF_SUITE/include/libtest.shlib # # Description: # zdb -c will display the same checksum as -ddddddbbbbbb # # Strategy: # 1. Create a pool # 2. Write some data to a file # 3. Run zdb -ddddddbbbbbb against the file # 4. Record the checksum and DVA of L0 block 0 # 5. Run zdb -R with :c flag and match the checksum function cleanup { datasetexists $TESTPOOL && destroy_pool $TESTPOOL } log_assert "Verify zdb -R generates the correct checksum." log_onexit cleanup init_data=$TESTDIR/file1 write_count=8 blksize=131072 verify_runnable "global" verify_disk_count "$DISKS" 2 default_mirror_setup_noexit $DISKS file_write -o create -w -f $init_data -b $blksize -c $write_count # get object number of file listing=$(ls -i $init_data) set -A array $listing obj=${array[0]} log_note "file $init_data has object number $obj" output=$(zdb -ddddddbbbbbb $TESTPOOL/$TESTFS $obj 2> /dev/null \ |grep -m 1 "L0 DVA" |head -n1) dva=$(sed -Ene 's/^.+DVA\[0\]=<([^>]+)>.*$/\1/p' <<< "$output") log_note "block 0 of $init_data has a DVA of $dva" cksum_expected=$(sed -Ene 's/^.+ cksum=([a-z0-9:]+)$/\1/p' <<< "$output") log_note "expecting cksum $cksum_expected" output=$(zdb -R $TESTPOOL $dva:c 2> /dev/null) result=$(grep $cksum_expected <<< "$output") (( $? != 0 )) && log_fail "zdb -R failed to print the correct checksum" log_pass "zdb -R generates the correct checksum"