LU-9771 flr: mirror read and write

[fs/lustre-release.git] / lustre / tests / sanity-flr.sh

diff --git a/lustre/tests/sanity-flr.sh b/lustre/tests/sanity-flr.sh
index 2318044..131e2e2 100644 (file)
--- a/lustre/tests/sanity-flr.sh
+++ b/lustre/tests/sanity-flr.sh
@@ -564,6 +564,80 @@ test_36() {
 }
 run_test 36 "write to mirrored files"
 
+create_files_37() {
+       local tf
+       local fsize=$1
+
+       echo "create test files with size $fsize .."
+
+       shift
+       for tf in "$@"; do
+               $LFS setstripe -E 1M -c 1 -E eof -c -1 $tf
+
+               dd if=/dev/urandom of=$tf bs=1M count=16 &> /dev/null
+               $TRUNCATE $tf $fsize
+       done
+}
+
+test_37()
+{
+       local tf=$DIR/$tfile
+       local tf2=$DIR/$tfile-2
+       local tf3=$DIR/$tfile-3
+
+       create_files_37 $((RANDOM + 15 * 1048576)) $tf $tf2 $tf3
+
+       # assume the mirror id will be 1, 2, and 3
+       declare -A checksums
+       checksums[1]=$(md5sum $tf | cut -f 1 -d' ')
+       checksums[2]=$(md5sum $tf2 | cut -f 1 -d' ')
+       checksums[3]=$(md5sum $tf3 | cut -f 1 -d' ')
+
+       printf '%s\n' "${checksums[@]}"
+
+       # merge these files into a mirrored file
+       $LFS setstripe --component-add --mirror=$tf2 $tf
+       $LFS setstripe --component-add --mirror=$tf3 $tf
+
+       get_mirror_ids $tf
+
+       # verify mirror read, checksums should equal to the original files'
+       echo "Verifying mirror read .."
+
+       local sum
+       for i in ${mirror_array[@]}; do
+               sum=$(mirror_io dump -i $i $tf | md5sum | cut -f 1 -d' ')
+               [ "$sum" = "${checksums[$i]}" ] ||
+                       error "$i: mismatch: \'${checksums[$i]}\' vs. \'$sum\'"
+       done
+
+       # verify mirror copy, write to this mirrored file will invalidate
+       # the other two mirrors
+       echo "Verifying mirror copy .."
+
+       local osts=$(comma_list $(osts_nodes))
+
+       # define OBD_FAIL_OST_SKIP_LV_CHECK     0x241
+       do_nodes $osts lctl set_param fail_loc=0x241
+
+       mirror_io copy -i ${mirror_array[0]} \
+               -t $(echo ${mirror_array[@]:1} | tr ' ' ',') $tf ||
+                       error "mirror copy error"
+
+       do_nodes $osts lctl set_param fail_loc=0
+
+       # verify copying is successful by checking checksums
+       remount_client $MOUNT
+       for i in ${mirror_array[@]}; do
+               sum=$(mirror_io dump -i $i $tf | md5sum | cut -f 1 -d' ')
+               [ "$sum" = "${checksums[1]}" ] ||
+                       error "$i: mismatch checksum after copy"
+       done
+
+       rm -f $tf $tf2 $tf3
+}
+run_test 37 "mirror I/O API verification"
+
 complete $SECONDS
 check_and_cleanup_lustre
 exit_status