1# $FreeBSD$ 2 3ATF_TEST=true 4. $(atf_get_srcdir)/conf.sh 5 6REG_READ_FP=debug.fail_point.g_mirror_regular_request_read 7 8atf_test_case sync_read_error_2_disks cleanup 9sync_read_error_2_disks_head() 10{ 11 atf_set "descr" \ 12 "Ensure that we properly handle read errors during synchronization." 13 atf_set "require.user" "root" 14} 15sync_read_error_2_disks_body() 16{ 17 geom_atf_test_setup 18 19 f1=$(mktemp ${base}.XXXXXX) 20 f2=$(mktemp ${base}.XXXXXX) 21 22 atf_check dd if=/dev/zero bs=1M count=32 of=$f1 status=none 23 atf_check truncate -s 32M $f2 24 25 md1=$(attach_md -t vnode -f ${f1}) 26 md2=$(attach_md -t vnode -f ${f2}) 27 28 atf_check gmirror label $name $md1 29 devwait 30 31 atf_check -s ignore -e empty -o not-empty sysctl ${REG_READ_FP}='1*return(5)' 32 33 # If a read error occurs while synchronizing and the mirror contains 34 # a single active disk, gmirror has no choice but to fail the 35 # synchronization and kick the new disk out of the mirror. 36 atf_check gmirror insert $name $md2 37 sleep 0.1 38 syncwait 39 atf_check [ $(gmirror status -s $name | wc -l) -eq 1 ] 40 atf_check -s exit:0 -o match:"DEGRADED $md1 \(ACTIVE\)" \ 41 gmirror status -s $name 42} 43sync_read_error_2_disks_cleanup() 44{ 45 atf_check -s ignore -e ignore -o ignore sysctl ${REG_READ_FP}='off' 46 gmirror_test_cleanup 47} 48 49atf_test_case sync_read_error_3_disks cleanup 50sync_read_error_3_disks_head() 51{ 52 atf_set "descr" \ 53 "Ensure that we properly handle read errors during synchronization." 54 atf_set "require.user" "root" 55} 56sync_read_error_3_disks_body() 57{ 58 geom_atf_test_setup 59 60 f1=$(mktemp ${base}.XXXXXX) 61 f2=$(mktemp ${base}.XXXXXX) 62 f3=$(mktemp ${base}.XXXXXX) 63 64 atf_check dd if=/dev/random bs=1M count=32 of=$f1 status=none 65 atf_check truncate -s 32M $f2 66 atf_check truncate -s 32M $f3 67 68 md1=$(attach_md -t vnode -f ${f1}) 69 md2=$(attach_md -t vnode -f ${f2}) 70 md3=$(attach_md -t vnode -f ${f3}) 71 72 atf_check gmirror label $name $md1 73 devwait 74 75 atf_check gmirror insert $name $md2 76 syncwait 77 78 atf_check -s exit:0 -e empty -o not-empty sysctl ${REG_READ_FP}='1*return(5)' 79 80 # If a read error occurs while synchronizing a new disk, and we have 81 # multiple active disks, we retry the read after an error. The disk 82 # which returned the read error is kicked out of the mirror. 83 atf_check gmirror insert $name $md3 84 syncwait 85 atf_check [ $(gmirror status -s $name | wc -l) -eq 2 ] 86 atf_check -s exit:0 -o match:"DEGRADED $md3 \(ACTIVE\)" \ 87 gmirror status -s $name 88 89 # Make sure that the two active disks are identical. Destroy the 90 # mirror first so that the metadata sectors are wiped. 91 if $(gmirror status -s $name | grep -q $md1); then 92 active=$md1 93 else 94 active=$md2 95 fi 96 atf_check gmirror destroy $name 97 atf_check cmp /dev/$active /dev/$md3 98} 99sync_read_error_3_disks_cleanup() 100{ 101 atf_check -s ignore -e ignore -o ignore sysctl ${REG_READ_FP}='off' 102 gmirror_test_cleanup 103} 104 105atf_init_test_cases() 106{ 107 atf_add_test_case sync_read_error_2_disks 108 atf_add_test_case sync_read_error_3_disks 109} 110