diff --git a/lib/ftl/ftl_band.c b/lib/ftl/ftl_band.c
index 775166766..ebd84dc99 100644
--- a/lib/ftl/ftl_band.c
+++ b/lib/ftl/ftl_band.c
@@ -1096,6 +1096,7 @@ ftl_band_erase_cb(struct ftl_io *io, void *ctx, int status)
 	}
 	chunk = ftl_band_chunk_from_ppa(io->band, io->ppa);
 	chunk->state = FTL_CHUNK_STATE_FREE;
+	chunk->write_offset = 0;
 }
 
 int
diff --git a/lib/ftl/ftl_band.h b/lib/ftl/ftl_band.h
index d0afbad0d..29b81f844 100644
--- a/lib/ftl/ftl_band.h
+++ b/lib/ftl/ftl_band.h
@@ -63,6 +63,9 @@ struct ftl_chunk {
 	/* Indicates that there is inflight write */
 	bool					busy;
 
+	/* Current logical block's offset */
+	uint64_t				write_offset;
+
 	/* First PPA */
 	struct ftl_ppa				start_ppa;
 
diff --git a/lib/ftl/ftl_core.c b/lib/ftl/ftl_core.c
index b20b750b7..2a6103633 100644
--- a/lib/ftl/ftl_core.c
+++ b/lib/ftl/ftl_core.c
@@ -1283,6 +1283,7 @@ ftl_io_child_write_cb(struct ftl_io *io, void *ctx, int status)
 
 	chunk = ftl_band_chunk_from_ppa(io->band, io->ppa);
 	chunk->busy = false;
+	chunk->write_offset += io->lbk_cnt;
 }
 
 static int
@@ -1913,6 +1914,14 @@ ftl_process_anm_event(struct ftl_anm_event *event)
 	ftl_anm_event_complete(event);
 }
 
+bool
+ftl_ppa_is_written(struct ftl_band *band, struct ftl_ppa ppa)
+{
+	struct ftl_chunk *chunk = ftl_band_chunk_from_ppa(band, ppa);
+
+	return ppa.lbk < chunk->write_offset;
+}
+
 static void
 ftl_process_retry_queue(struct spdk_ftl_dev *dev)
 {
diff --git a/lib/ftl/ftl_core.h b/lib/ftl/ftl_core.h
index 3fbabc974..2455a1aac 100644
--- a/lib/ftl/ftl_core.h
+++ b/lib/ftl/ftl_core.h
@@ -257,6 +257,7 @@ int	ftl_band_set_direct_access(struct ftl_band *band, bool access);
 int	ftl_retrieve_chunk_info(struct spdk_ftl_dev *dev, struct ftl_ppa ppa,
 				struct spdk_ocssd_chunk_information_entry *info,
 				unsigned int num_entries);
+bool	ftl_ppa_is_written(struct ftl_band *band, struct ftl_ppa ppa);
 
 #define ftl_to_ppa(addr) \
 	(struct ftl_ppa) { .ppa = (uint64_t)(addr) }
diff --git a/lib/ftl/ftl_init.c b/lib/ftl/ftl_init.c
index c974244f1..ad9293532 100644
--- a/lib/ftl/ftl_init.c
+++ b/lib/ftl/ftl_init.c
@@ -369,6 +369,7 @@ ftl_dev_init_bands(struct spdk_ftl_dev *dev)
 			chunk->punit = punit;
 			chunk->start_ppa = punit->start_ppa;
 			chunk->start_ppa.chk = band->id;
+			chunk->write_offset = ftl_dev_lbks_in_chunk(dev);
 
 			if (chunk->state != FTL_CHUNK_STATE_BAD) {
 				band->num_chunks++;
diff --git a/lib/ftl/ftl_reloc.c b/lib/ftl/ftl_reloc.c
index 3ebd8cc34..2f24e1751 100644
--- a/lib/ftl/ftl_reloc.c
+++ b/lib/ftl/ftl_reloc.c
@@ -304,7 +304,10 @@ ftl_reloc_iter_next_chk(struct ftl_band_reloc *breloc)
 static int
 ftl_reloc_lbk_valid(struct ftl_band_reloc *breloc, size_t lbkoff)
 {
-	return spdk_bit_array_get(breloc->reloc_map, lbkoff) &&
+	struct ftl_ppa ppa = ftl_band_ppa_from_lbkoff(breloc->band, lbkoff);
+
+	return ftl_ppa_is_written(breloc->band, ppa) &&
+	       spdk_bit_array_get(breloc->reloc_map, lbkoff) &&
 	       ftl_band_lbkoff_valid(breloc->band, lbkoff);
 }
 
diff --git a/test/unit/lib/ftl/ftl_reloc.c/ftl_reloc_ut.c b/test/unit/lib/ftl/ftl_reloc.c/ftl_reloc_ut.c
index 39372d968..db04f9106 100644
--- a/test/unit/lib/ftl/ftl_reloc.c/ftl_reloc_ut.c
+++ b/test/unit/lib/ftl/ftl_reloc.c/ftl_reloc_ut.c
@@ -57,6 +57,7 @@ static struct spdk_ftl_punit_range g_range = {
 };
 
 DEFINE_STUB(ftl_dev_tail_md_disk_size, size_t, (const struct spdk_ftl_dev *dev), 1);
+DEFINE_STUB(ftl_ppa_is_written, bool, (struct ftl_band *band, struct ftl_ppa ppa), true);
 DEFINE_STUB_V(ftl_band_set_state, (struct ftl_band *band, enum ftl_band_state state));
 DEFINE_STUB_V(ftl_trace_lba_io_init, (struct spdk_ftl_dev *dev, const struct ftl_io *io));
 DEFINE_STUB_V(ftl_free_io, (struct ftl_io *io));