#!/usr/local/bin/ksh93 -p
#
# CDDL HEADER START
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# The contents of this file are subject to the terms of the
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# You may not use this file except in compliance with the License.
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#
# Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
# Use is subject to license terms.
#
# Copyright 2012,2013 Spectra Logic Corporation.  All rights reserved.
# Use is subject to license terms.
# 
# Portions taken from:
# ident	"@(#)replacement_001_pos.ksh	1.4	08/02/27 SMI"
#
# $FreeBSD: releng/12.3/tests/sys/cddl/zfs/tests/zfsd/zfsd_replace_001_pos.ksh 329867 2018-02-23 16:31:00Z asomers $

. $STF_SUITE/tests/hotspare/hotspare.kshlib
. $STF_SUITE/tests/zfsd/zfsd.kshlib
. $STF_SUITE/include/libtest.kshlib
. $STF_SUITE/include/libgnop.kshlib

log_assert "ZFSD will automatically replace a SAS disk that disappears and reappears in the same location, with the same devname"

ensure_zfsd_running

set_disks

typeset REMOVAL_DISK=$DISK0
typeset REMOVAL_NOP=${DISK0}.nop
typeset OTHER_DISKS="${DISK1} ${DISK2}"
typeset ALLDISKS="${DISK0} ${DISK1} ${DISK2}"
typeset ALLNOPS=${ALLDISKS//~(E)([[:space:]]+|$)/.nop\1}

log_must create_gnops $ALLDISKS
for type in "raidz" "mirror"; do
	# Create a pool on the supplied disks
	create_pool $TESTPOOL $type $ALLNOPS
	log_must $ZFS create $TESTPOOL/$TESTFS
	log_must $ZFS set mountpoint=$TESTDIR $TESTPOOL/$TESTFS

	# Disable the first disk.
	log_must destroy_gnop $REMOVAL_DISK

	# Write out data to make sure we can do I/O after the disk failure
	log_must $DD if=/dev/zero of=$TESTDIR/$TESTFILE bs=1m count=1
	log_must $FSYNC $TESTDIR/$TESTFILE

	# Check to make sure ZFS sees the disk as removed
	wait_for_pool_dev_state_change 20 $REMOVAL_NOP REMOVED

	# Re-enable the disk
	log_must create_gnop $REMOVAL_DISK

	# Disk should auto-join the zpool & be resilvered.
	wait_for_pool_dev_state_change 20 $REMOVAL_NOP ONLINE
	wait_until_resilvered

	$ZPOOL status $TESTPOOL
	destroy_pool $TESTPOOL
	log_must $RM -rf /$TESTPOOL
done

log_pass
