4 # This file and its contents are supplied under the terms of the
5 # Common Development and Distribution License ("CDDL"), version 1.0.
6 # You may only use this file in accordance with the terms of version
9 # A full copy of the text of the CDDL should have accompanied this
10 # source. A copy of the CDDL is also available via the Internet at
11 # http://www.illumos.org/license/CDDL.
17 # Copyright (c) 2014, 2017 by Delphix. All rights reserved.
20 export REMOVEDISK=${DISKS%% *}
21 export NOTREMOVEDISK=${DISKS##* }
24 # Waits for the pool to finish a removal.
26 function wait_for_removal # pool
31 log_must zpool wait -t remove $pool
34 # The pool state changes before the TXG finishes syncing; wait for
35 # the removal to be completed on disk.
39 log_must is_pool_removed $pool
44 # Removes the specified disk from its respective pool and
45 # runs the callback while the removal is in progress.
47 # This function is mainly used to test how other operations
48 # interact with device removal. After the callback is done,
49 # the removal is unpaused and we wait for it to finish.
53 # attempt_during_removal $TESTPOOL $DISK dd if=/dev/urandom \
54 # of=/$TESTPOOL/file count=1
56 function attempt_during_removal # pool disk callback [args]
63 set_tunable32 zfs_removal_suspend_progress 1
65 log_must zpool remove $pool $disk
68 # We want to make sure that the removal started
69 # before issuing the callback.
72 log_must is_pool_removing $pool
74 log_must $callback "$@"
77 # Ensure that we still haven't finished the removal
80 log_must is_pool_removing $pool
82 set_tunable32 zfs_removal_suspend_progress 0
84 log_must wait_for_removal $pool
85 log_mustnot vdevs_in_pool $pool $disk
89 function indirect_vdev_mapping_size # pool
92 zdb -P $pool | grep 'indirect vdev' | \
93 sed -E 's/.*\(([0-9]+) in memory\).*/\1/g'
96 function random_write # file write_size
100 typeset file_size=$(stat -c%s $file 2>/dev/null)
101 typeset nblocks=$((file_size / block_size))
103 [[ -w $file ]] || return 1
105 dd if=/dev/urandom of=$file conv=notrunc \
106 bs=$block_size count=1 seek=$((RANDOM % nblocks)) >/dev/null 2>&1
109 function start_random_writer # file
113 log_note "Starting writer for $file"
114 # This will fail when we destroy the pool.
115 while random_write $file $((2**12)); do
118 log_note "Stopping writer for $file"
122 function test_removal_with_operation # callback [args]
125 # To ensure that the removal takes a while, we fragment the pool
126 # by writing random blocks and continue to do during the removal.
128 log_must mkfile 1g $TESTDIR/$TESTFILE0
129 for i in $(seq $((2**10))); do
130 random_write $TESTDIR/$TESTFILE0 $((2**12)) || \
131 log_fail "Could not write to $TESTDIR/$TESTFILE0."
133 start_random_writer $TESTDIR/$TESTFILE0 1g
136 log_must attempt_during_removal $TESTPOOL $REMOVEDISK "$@"
137 log_mustnot vdevs_in_pool $TESTPOOL $REMOVEDISK
138 log_must zdb -cd $TESTPOOL
143 verify_pool $TESTPOOL
147 # Kill the background job use by the test_removal_with_operation function.
149 function test_removal_with_operation_kill