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head/tests/sys/geom/class/mirror/component_selection.sh
| Property | Old Value | New Value |
|---|---|---|
| svn:eol-style | null | native \ No newline at end of property |
| svn:executable | null | * \ No newline at end of property |
| svn:keywords | null | FreeBSD=%H \ No newline at end of property |
| svn:mime-type | null | text/plain \ No newline at end of property |
| # $FreeBSD$ | |||||
| atf_test_case run_latest_genid cleanup | |||||
| run_latest_genid_head() | |||||
| { | |||||
| atf_set "descr" \ | |||||
| "Ensure that we properly select components (latest genid) during STARTING." | |||||
| atf_set "require.user" "root" | |||||
| } | |||||
| run_latest_genid_body() | |||||
| { | |||||
| . $(atf_get_srcdir)/conf.sh | |||||
| f1=$(mktemp ${base}.XXXXXX) | |||||
| f2=$(mktemp ${base}.XXXXXX) | |||||
| f3=$(mktemp ${base}.XXXXXX) | |||||
| rnd1=$(mktemp ${base}.XXXXXX) | |||||
| rnd2=$(mktemp ${base}.XXXXXX) | |||||
| atf_check truncate -s 2M $f1 | |||||
| atf_check truncate -s 2M $f2 | |||||
| atf_check truncate -s 2M $f3 | |||||
| dd if=/dev/urandom bs=512 count=1 of="$rnd1" | |||||
| dd if=/dev/urandom bs=512 count=1 of="$rnd2" | |||||
| md1=$(attach_md -t vnode -f ${f1}) | |||||
| md2=$(attach_md -t vnode -f ${f2}) | |||||
| md3=$(attach_md -t vnode -f ${f3}) | |||||
| # Use a gnop for md1 just for consistency; it's not used for anything. | |||||
| atf_check gnop create $md1 | |||||
| atf_check gnop create $md2 | |||||
| atf_check gnop create $md3 | |||||
| # Hardcode component names so that the non-.nop device isn't tasted | |||||
| # instead. | |||||
| atf_check gmirror label -h $name ${md1}.nop | |||||
| devwait | |||||
| atf_check gmirror insert -h $name ${md2}.nop | |||||
| atf_check gmirror insert -h $name ${md3}.nop | |||||
| syncwait | |||||
| # Fail mirror 3, writing known contents to mirror 1+2 block 1 | |||||
| atf_check -s exit:0 -e empty -o empty \ | |||||
| gnop configure -w 100 ${md3}.nop | |||||
| atf_check -s exit:0 dd if="$rnd1" bs=512 count=1 oseek=1 conv=notrunc \ | |||||
| of=/dev/mirror/$name status=none | |||||
| disconnectwait nop "${md3}.nop" | |||||
| # Should have two mirrors remaining after md3 was evicted | |||||
| atf_check [ $(gmirror status -s $name | wc -l) -eq 2 ] | |||||
| atf_check -s exit:0 -o match:"DEGRADED ${md1}.nop \(ACTIVE\)" \ | |||||
| gmirror status -s $name | |||||
| atf_check -s exit:0 -o match:"DEGRADED ${md2}.nop \(ACTIVE\)" \ | |||||
| gmirror status -s $name | |||||
| # Repeat: | |||||
| # Fail mirror 2, writing known contents to mirror 1 block 2 | |||||
| atf_check -s exit:0 -e empty -o empty \ | |||||
| gnop configure -w 100 ${md2}.nop | |||||
| atf_check -s exit:0 dd if="$rnd2" bs=512 count=2 oseek=1 conv=notrunc \ | |||||
| of=/dev/mirror/$name status=none | |||||
| disconnectwait nop "${md2}.nop" | |||||
| # Should have one mirror remaining after md2 was evicted | |||||
| atf_check [ $(gmirror status -s $name | wc -l) -eq 1 ] | |||||
| atf_check -s exit:0 -o match:"DEGRADED ${md1}.nop \(ACTIVE\)" \ | |||||
| gmirror status -s $name | |||||
| # Stop the mirror and remove the pieces so gmirror can't see them. | |||||
| atf_check gmirror stop $name | |||||
| atf_check gnop destroy ${md1}.nop | |||||
| atf_check gnop destroy ${md2}.nop | |||||
| atf_check gnop destroy ${md3}.nop | |||||
| # Rebuild; spin up "disk" with lowest genid | |||||
| atf_check gnop create $md3 | |||||
| md3gen=$(gmirror dump /dev/${md3}.nop | grep genid | cut -d: -f2) | |||||
| # Assert gmirror is referencing this component for now: | |||||
| atf_check [ $(consumerrefs nop ${md3}.nop) = "r1w1e1" ] | |||||
| # Adding newer genid should kick out old component | |||||
| atf_check gnop create $md2 | |||||
| md2gen=$(gmirror dump /dev/${md2}.nop | grep genid | cut -d: -f2) | |||||
| atf_check [ $md2gen -gt $md3gen ] | |||||
| disconnectwait nop "${md3}.nop" | |||||
| # Can't test this because 'status' doesn't exist until RUNNING: | |||||
| #atf_check [ $(gmirror status -s $name | wc -l) -eq 1 ] | |||||
| # But as a substitute, assert gmirror has dropped reference to staler | |||||
| # component in favor of newer component: | |||||
| atf_check [ $(consumerrefs nop ${md2}.nop) = "r1w1e1" ] | |||||
| # ditto | |||||
| atf_check gnop create $md1 | |||||
| md1gen=$(gmirror dump /dev/${md1}.nop | grep genid | cut -d: -f2) | |||||
| atf_check [ $md1gen -gt $md2gen ] | |||||
| disconnectwait nop "${md2}.nop" | |||||
| # Assert gmirror has dropped reference to stale component in favor of | |||||
| # newer component: | |||||
| atf_check [ $(consumerrefs nop ${md1}.nop) = "r1w1e1" ] | |||||
| # gmirror won't start the mirror automatically with only one component | |||||
| # ($md0) of configured three, so this waits out the | |||||
| # kern.geom.mirror.timeout: | |||||
| devwait | |||||
| atf_check [ $(gmirror status -s $name | wc -l) -eq 1 ] | |||||
| atf_check -s exit:0 -o match:"DEGRADED ${md1}.nop \(ACTIVE\)" \ | |||||
| gmirror status -s $name | |||||
| } | |||||
| run_latest_genid_cleanup() | |||||
| { | |||||
| . $(atf_get_srcdir)/conf.sh | |||||
| if [ -f "$TEST_MDS_FILE" ]; then | |||||
| while read test_md; do | |||||
| echo "# Removing test gnop: ${test_md}.nop" | |||||
| gnop destroy -f "${test_md}.nop" 2>/dev/null || : | |||||
| done < "$TEST_MDS_FILE" | |||||
| fi | |||||
| gmirror_test_cleanup | |||||
| } | |||||
| atf_init_test_cases() | |||||
| { | |||||
| atf_add_test_case run_latest_genid | |||||
| } | |||||