Index: uspace/srv/bd/hr/raid1.c
===================================================================
--- uspace/srv/bd/hr/raid1.c	(revision 974f9ba1629496b4be4161b31295cebd582832b1)
+++ uspace/srv/bd/hr/raid1.c	(revision c76bf3364a0f7f1b69128033743cd8f4628c2985)
@@ -305,4 +305,5 @@
 
 #ifdef HR_RAID1_READ_STRATEGY_SPLIT
+
 static size_t hr_raid1_count_good_r_extents(hr_volume_t *vol, uint64_t ba,
     size_t cnt, uint64_t rebuild_blk)
@@ -322,7 +323,9 @@
 	return count;
 }
-#endif
+
+#endif /* HR_RAID1_READ_STRATEGY_SPLIT */
 
 #ifdef HR_RAID1_READ_STRATEGY_CLOSEST
+
 static size_t get_ext(hr_volume_t *vol, uint64_t ba, size_t cnt,
     uint64_t rebuild_blk)
@@ -686,4 +689,6 @@
 			goto end;
 		}
+		atomic_store_explicit(&vol->last_ext_pos_arr[rebuild_idx],
+		    ba + cnt - 1, memory_order_relaxed);
 
 		percent = ((ba + cnt) * 100) / vol->data_blkno;