1#!/bin/ksh -p 2# 3# CDDL HEADER START 4# 5# The contents of this file are subject to the terms of the 6# Common Development and Distribution License (the "License"). 7# You may not use this file except in compliance with the License. 8# 9# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10# or https://opensource.org/licenses/CDDL-1.0. 11# See the License for the specific language governing permissions 12# and limitations under the License. 13# 14# When distributing Covered Code, include this CDDL HEADER in each 15# file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16# If applicable, add the following below this CDDL HEADER, with the 17# fields enclosed by brackets "[]" replaced with your own identifying 18# information: Portions Copyright [yyyy] [name of copyright owner] 19# 20# CDDL HEADER END 21# 22 23# 24# Portions Copyright 2021 iXsystems, Inc. 25# 26 27# DESCRIPTION: 28# Verify spa deadman events are rate limited 29# 30# STRATEGY: 31# 1. Reduce the zfs_deadman_events_per_second to 1. 32# 2. Reduce the zfs_deadman_ziotime_ms to 1ms. 33# 3. Write data to a pool and read it back. 34# 4. Verify deadman events have been produced at a reasonable rate. 35# 36 37. $STF_SUITE/include/libtest.shlib 38. $STF_SUITE/tests/functional/deadman/deadman.cfg 39 40verify_runnable "both" 41 42function cleanup 43{ 44 zinject -c all 45 default_cleanup_noexit 46 47 set_tunable64 DEADMAN_EVENTS_PER_SECOND $OLD_DEADMAN_EVENTS 48 set_tunable64 DEADMAN_ZIOTIME_MS $ZIOTIME_DEFAULT 49} 50 51log_assert "Verify spa deadman events are rate limited" 52log_onexit cleanup 53 54OLD_DEADMAN_EVENTS=$(get_tunable DEADMAN_EVENTS_PER_SECOND) 55log_must set_tunable64 DEADMAN_EVENTS_PER_SECOND 1 56log_must set_tunable64 DEADMAN_ZIOTIME_MS 1 57 58# Create a new pool in order to use the updated deadman settings. 59default_setup_noexit $DISK1 60log_must zpool events -c 61 62mntpnt=$(get_prop mountpoint $TESTPOOL/$TESTFS) 63log_must file_write -b 1048576 -c 8 -o create -d 0 -f $mntpnt/file 64log_must zpool export $TESTPOOL 65log_must zpool import $TESTPOOL 66log_must zinject -d $DISK1 -D 5:1 $TESTPOOL 67log_must dd if=$mntpnt/file of=/dev/null oflag=sync 68 69events=$(zpool events $TESTPOOL | grep -c ereport.fs.zfs.deadman) 70log_note "events=$events" 71if [ "$events" -lt 1 ]; then 72 log_fail "Expect >= 1 deadman events, $events found" 73fi 74if [ "$events" -gt 10 ]; then 75 log_fail "Expect <= 10 deadman events, $events found" 76fi 77 78log_pass "Verify spa deadman events are rate limited" 79