+test_230k() {
+ [ $MDSCOUNT -lt 4 ] && skip "needs >= 4 MDTs"
+ [ $(lustre_version_code $SINGLEMDS) -lt $(version_code 2.11.56) ] &&
+ skip "Need MDS version at least 2.11.56"
+
+ local total=20
+ local files_on_starting_mdt=0
+
+ $LFS mkdir -i -1 -c 2 $DIR/$tdir || error "mkdir failed"
+ $LFS getdirstripe $DIR/$tdir
+ for i in $(seq $total); do
+ echo $((i*i - i)) > $DIR/$tdir/$tfile.$i || error "write failed"
+ [[ $($LFS getstripe -m $DIR/$tdir/$tfile.$i) -eq 0 ]] &&
+ files_on_starting_mdt=$((files_on_starting_mdt + 1))
+ done
+
+ echo "$files_on_starting_mdt files on MDT0"
+
+ $LFS migrate -m 1,3 $DIR/$tdir || error "migrate -m 1,3 failed"
+ $LFS getdirstripe $DIR/$tdir
+
+ files_on_starting_mdt=0
+ for i in $(seq $total); do
+ $(echo $((i*i - i)) | cmp $DIR/$tdir/$tfile.$i -) ||
+ error "file $tfile.$i mismatch after migration"
+ [[ $($LFS getstripe -m $DIR/$tdir/$tfile.$i) -eq 1 ]] &&
+ files_on_starting_mdt=$((files_on_starting_mdt + 1))
+ done
+
+ echo "$files_on_starting_mdt files on MDT1 after migration"
+ [[ $files_on_starting_mdt -eq $total ]] && error "all files on MDT1"
+
+ $LFS migrate -m 0 -c 2 $DIR/$tdir || error "migrate -m 0 -c 2 failed"
+ $LFS getdirstripe $DIR/$tdir
+
+ files_on_starting_mdt=0
+ for i in $(seq $total); do
+ $(echo $((i*i - i)) | cmp $DIR/$tdir/$tfile.$i -) ||
+ error "file $tfile.$i mismatch after 2nd migration"
+ [[ $($LFS getstripe -m $DIR/$tdir/$tfile.$i) -eq 0 ]] &&
+ files_on_starting_mdt=$((files_on_starting_mdt + 1))
+ done
+
+ echo "$files_on_starting_mdt files on MDT0 after 2nd migration"
+ [[ $files_on_starting_mdt -eq $total ]] && error "all files on MDT0"
+
+ true
+}
+run_test 230k "file data not changed after dir migration"
+
+test_230l() {
+ [ $MDSCOUNT -lt 2 ] && skip "needs >= 2 MDTs"
+ [ $(lustre_version_code $SINGLEMDS) -lt $(version_code 2.11.56) ] &&
+ skip "Need MDS version at least 2.11.56"
+
+ $LFS mkdir -i 0 -c 1 $DIR/$tdir || error "mkdir failed"
+ createmany -o $DIR/$tdir/f___________________________________ 1000 ||
+ error "create files under remote dir failed $i"
+ $LFS migrate -m 1 $DIR/$tdir || error "migrate failed"
+}
+run_test 230l "readdir between MDTs won't crash"
+