+ local old_obf_mode=$(stat --format="%a" $DIR/.lustre/fid)
+ local new_obf_mode=777
+
+ echo "change mode of $DIR/.lustre/fid to $new_obf_mode"
+ chmod $new_obf_mode $DIR/.lustre/fid ||
+ error "chmod $new_obf_mode $DIR/.lustre/fid failed"
+
+ local obf_mode=$(stat --format=%a $DIR/.lustre/fid)
+ [ $obf_mode -eq $new_obf_mode ] ||
+ error "stat $DIR/.lustre/fid returned wrong mode $obf_mode"
+
+ echo "restore mode of $DIR/.lustre/fid to $old_obf_mode"
+ chmod $old_obf_mode $DIR/.lustre/fid ||
+ error "chmod $old_obf_mode $DIR/.lustre/fid failed"
+