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9583ab8aa3
aren't available PR: 237051 Reviewed by: asomers, imp, ngie, emaste (IRC) Approved by: ngie MFC after: 1 month Sponsored by: Netflix Differential Revision: https://reviews.freebsd.org/D19958
140 lines
4.2 KiB
Bash
Executable file
140 lines
4.2 KiB
Bash
Executable file
# $FreeBSD$
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ATF_TEST=true
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class=mirror
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. $(atf_get_srcdir)/conf.sh
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atf_test_case run_latest_genid cleanup
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run_latest_genid_head()
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{
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atf_set "descr" \
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"Ensure that we properly select components (latest genid) during STARTING."
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atf_set "require.user" "root"
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}
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run_latest_genid_body()
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{
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geom_atf_test_setup
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if ! error_message=$(geom_load_class_if_needed nop); then
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atf_skip "$error_message"
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fi
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f1=$(mktemp ${base}.XXXXXX)
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f2=$(mktemp ${base}.XXXXXX)
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f3=$(mktemp ${base}.XXXXXX)
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rnd1=$(mktemp ${base}.XXXXXX)
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rnd2=$(mktemp ${base}.XXXXXX)
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atf_check truncate -s 2M $f1
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atf_check truncate -s 2M $f2
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atf_check truncate -s 2M $f3
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dd if=/dev/urandom bs=512 count=1 of="$rnd1"
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dd if=/dev/urandom bs=512 count=1 of="$rnd2"
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md1=$(attach_md -t vnode -f ${f1})
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md2=$(attach_md -t vnode -f ${f2})
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md3=$(attach_md -t vnode -f ${f3})
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# Use a gnop for md1 just for consistency; it's not used for anything.
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atf_check gnop create $md1
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atf_check gnop create $md2
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atf_check gnop create $md3
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# Hardcode component names so that the non-.nop device isn't tasted
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# instead.
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atf_check gmirror label -h $name ${md1}.nop
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devwait
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atf_check gmirror insert -h $name ${md2}.nop
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atf_check gmirror insert -h $name ${md3}.nop
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syncwait
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# Fail mirror 3, writing known contents to mirror 1+2 block 1
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atf_check -s exit:0 -e empty -o empty \
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gnop configure -w 100 ${md3}.nop
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atf_check -s exit:0 dd if="$rnd1" bs=512 count=1 oseek=1 conv=notrunc \
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of=/dev/mirror/$name status=none
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disconnectwait nop "${md3}.nop"
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# Should have two mirrors remaining after md3 was evicted
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atf_check [ $(gmirror status -s $name | wc -l) -eq 2 ]
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atf_check -s exit:0 -o match:"DEGRADED ${md1}.nop \(ACTIVE\)" \
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gmirror status -s $name
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atf_check -s exit:0 -o match:"DEGRADED ${md2}.nop \(ACTIVE\)" \
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gmirror status -s $name
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# Repeat:
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# Fail mirror 2, writing known contents to mirror 1 block 2
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atf_check -s exit:0 -e empty -o empty \
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gnop configure -w 100 ${md2}.nop
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atf_check -s exit:0 dd if="$rnd2" bs=512 count=2 oseek=1 conv=notrunc \
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of=/dev/mirror/$name status=none
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disconnectwait nop "${md2}.nop"
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# Should have one mirror remaining after md2 was evicted
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atf_check [ $(gmirror status -s $name | wc -l) -eq 1 ]
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atf_check -s exit:0 -o match:"DEGRADED ${md1}.nop \(ACTIVE\)" \
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gmirror status -s $name
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# Stop the mirror and remove the pieces so gmirror can't see them.
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atf_check gmirror stop $name
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atf_check gnop destroy ${md1}.nop
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atf_check gnop destroy ${md2}.nop
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atf_check gnop destroy ${md3}.nop
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# Rebuild; spin up "disk" with lowest genid
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atf_check gnop create $md3
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md3gen=$(gmirror dump /dev/${md3}.nop | grep genid | cut -d: -f2)
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# Assert gmirror is referencing this component for now:
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atf_check [ $(consumerrefs nop ${md3}.nop) = "r1w1e1" ]
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# Adding newer genid should kick out old component
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atf_check gnop create $md2
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md2gen=$(gmirror dump /dev/${md2}.nop | grep genid | cut -d: -f2)
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atf_check [ $md2gen -gt $md3gen ]
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disconnectwait nop "${md3}.nop"
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# Can't test this because 'status' doesn't exist until RUNNING:
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#atf_check [ $(gmirror status -s $name | wc -l) -eq 1 ]
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# But as a substitute, assert gmirror has dropped reference to staler
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# component in favor of newer component:
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atf_check [ $(consumerrefs nop ${md2}.nop) = "r1w1e1" ]
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# ditto
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atf_check gnop create $md1
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md1gen=$(gmirror dump /dev/${md1}.nop | grep genid | cut -d: -f2)
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atf_check [ $md1gen -gt $md2gen ]
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disconnectwait nop "${md2}.nop"
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# Assert gmirror has dropped reference to stale component in favor of
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# newer component:
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atf_check [ $(consumerrefs nop ${md1}.nop) = "r1w1e1" ]
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# gmirror won't start the mirror automatically with only one component
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# ($md0) of configured three, so this waits out the
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# kern.geom.mirror.timeout:
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devwait
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atf_check [ $(gmirror status -s $name | wc -l) -eq 1 ]
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atf_check -s exit:0 -o match:"DEGRADED ${md1}.nop \(ACTIVE\)" \
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gmirror status -s $name
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}
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run_latest_genid_cleanup()
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{
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. $(atf_get_srcdir)/conf.sh
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if [ -f "$TEST_MDS_FILE" ]; then
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while read test_md; do
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echo "# Removing test gnop: ${test_md}.nop"
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gnop destroy -f "${test_md}.nop" 2>/dev/null || :
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done < "$TEST_MDS_FILE"
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fi
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gmirror_test_cleanup
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}
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atf_init_test_cases()
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{
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atf_add_test_case run_latest_genid
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}
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