120 lines
3.6 KiB
Bash
Executable File
120 lines
3.6 KiB
Bash
Executable File
#!/bin/ksh -p
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#
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# CDDL HEADER START
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#
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# This file and its contents are supplied under the terms of the
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# Common Development and Distribution License ("CDDL"), version 1.0.
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# You may only use this file in accordance with the terms of version
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# 1.0 of the CDDL.
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#
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# A full copy of the text of the CDDL should have accompanied this
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# source. A copy of the CDDL is also available via the Internet at
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# http://www.illumos.org/license/CDDL.
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#
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# CDDL HEADER END
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#
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#
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# Copyright (c) 2017 by Lawrence Livermore National Security, LLC.
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#
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# DESCRIPTION:
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# Ensure that the MMP thread is notified when MULTIHOST_INTERVAL is
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# reduced, and that changes to MULTIHOST_INTERVAL and
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# MULTIHOST_FAIL_INTERVALS do not trigger pool suspensions.
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#
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# STRATEGY:
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# 1. Set MULTIHOST_INTERVAL to much longer than the test duration
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# 2. Create a zpool and enable multihost
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# 3. Verify no MMP writes occurred
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# 4. Set MULTIHOST_INTERVAL to 1 second
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# 5. Sleep briefly
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# 6. Verify MMP writes began
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# 7. Verify mmp_fail and mmp_write in uberblock reflect tunables
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# 8. Repeatedly change tunables relating to pool suspension
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#
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. $STF_SUITE/include/libtest.shlib
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. $STF_SUITE/tests/functional/mmp/mmp.cfg
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. $STF_SUITE/tests/functional/mmp/mmp.kshlib
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verify_runnable "both"
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function cleanup
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{
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default_cleanup_noexit
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log_must set_tunable64 MULTIHOST_INTERVAL $MMP_INTERVAL_DEFAULT
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log_must set_tunable64 MULTIHOST_FAIL_INTERVALS \
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$MMP_FAIL_INTERVALS_DEFAULT
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log_must mmp_clear_hostid
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}
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log_assert "mmp threads notified when MULTIHOST_INTERVAL reduced"
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log_onexit cleanup
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log_must set_tunable64 MULTIHOST_INTERVAL $MMP_INTERVAL_HOUR
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log_must mmp_set_hostid $HOSTID1
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default_setup_noexit $DISK
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log_must zpool set multihost=on $TESTPOOL
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clear_mmp_history
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log_must set_tunable64 MULTIHOST_INTERVAL $MMP_INTERVAL_DEFAULT
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uber_count=$(count_mmp_writes $TESTPOOL 1)
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if [ $uber_count -eq 0 ]; then
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log_fail "ERROR: mmp writes did not start when MULTIHOST_INTERVAL reduced"
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fi
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# 7. Verify mmp_write and mmp_fail are written
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for fails in $(seq $MMP_FAIL_INTERVALS_MIN $((MMP_FAIL_INTERVALS_MIN*2))); do
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for interval in $(seq $MMP_INTERVAL_MIN 200 $MMP_INTERVAL_DEFAULT); do
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log_must set_tunable64 MULTIHOST_FAIL_INTERVALS $fails
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log_must set_tunable64 MULTIHOST_INTERVAL $interval
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log_must sync_pool $TESTPOOL
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typeset mmp_fail=$(zdb $TESTPOOL 2>/dev/null |
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awk '/mmp_fail/ {print $NF}')
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if [ $fails -ne $mmp_fail ]; then
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log_fail "ERROR: mmp_fail $mmp_fail != $fails"
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fi
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typeset mmp_write=$(zdb $TESTPOOL 2>/dev/null |
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awk '/mmp_write/ {print $NF}')
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if [ $interval -ne $mmp_write ]; then
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log_fail "ERROR: mmp_write $mmp_write != $interval"
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fi
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done
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done
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# 8. Repeatedly change MULTIHOST_INTERVAL and fail_intervals
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for x in $(seq 10); do
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typeset new_interval=$(( (RANDOM % 20 + 1) * $MMP_INTERVAL_MIN ))
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log_must set_tunable64 MULTIHOST_INTERVAL $new_interval
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typeset action=$((RANDOM %10))
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if [ $action -eq 0 ]; then
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log_must zpool export -a
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log_must mmp_clear_hostid
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log_must mmp_set_hostid $HOSTID1
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log_must zpool import $TESTPOOL
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elif [ $action -eq 1 ]; then
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log_must zpool export -F $TESTPOOL
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log_must zpool import $TESTPOOL
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elif [ $action -eq 2 ]; then
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log_must zpool export -F $TESTPOOL
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log_must mmp_clear_hostid
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log_must mmp_set_hostid $HOSTID2
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log_must zpool import -f $TESTPOOL
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elif [ $action -eq 3 ]; then
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log_must zpool export -F $TESTPOOL
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log_must set_tunable64 MULTIHOST_INTERVAL $MMP_INTERVAL_MIN
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log_must zpool import $TESTPOOL
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elif [ $action -eq 4 ]; then
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log_must set_tunable64 MULTIHOST_FAIL_INTERVALS \
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$((RANDOM % MMP_FAIL_INTERVALS_DEFAULT))
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fi
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sleep 5
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done
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log_pass "mmp threads notified when MULTIHOST_INTERVAL reduced"
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