diff --git a/conanfile.py b/conanfile.py
index 30d53f709..870760692 100644
--- a/conanfile.py
+++ b/conanfile.py
@@ -9,7 +9,7 @@
 
 class HomestoreConan(ConanFile):
     name = "homestore"
-    version = "6.4.51"
+    version = "6.4.52"
 
     homepage = "https://github.com/eBay/Homestore"
     description = "HomeStore Storage Engine"
diff --git a/src/lib/device/chunk.h b/src/lib/device/chunk.h
index 248d62d47..77b275e4b 100644
--- a/src/lib/device/chunk.h
+++ b/src/lib/device/chunk.h
@@ -28,6 +28,9 @@ class Chunk {
     uint32_t m_vdev_ordinal{0};
     shared< BlkAllocator > m_blk_allocator;
 
+public:
+    static constexpr auto MAX_CHUNK_SIZE = std::numeric_limits< uint32_t >::max();
+
 public:
     friend class DeviceManager;
 
diff --git a/src/lib/device/device_manager.cpp b/src/lib/device/device_manager.cpp
index 7fe73a5f1..cac91237f 100644
--- a/src/lib/device/device_manager.cpp
+++ b/src/lib/device/device_manager.cpp
@@ -243,7 +243,7 @@ shared< VirtualDev > DeviceManager::create_vdev(vdev_parameters&& vparam) {
         if (vparam.num_chunks != 0) {
             auto input_num_chunks = vparam.num_chunks;
             // max chunk size is 4GB (uint32_max), capping it by tune up num_chunks
-            uint32_t min_num_chunks = (vparam.vdev_size - 1) / std::numeric_limits< uint32_t >::max() + 1;
+            uint32_t min_num_chunks = (vparam.vdev_size - 1) / Chunk::MAX_CHUNK_SIZE + 1;
             vparam.num_chunks = std::max(vparam.num_chunks, min_num_chunks);
             vparam.num_chunks = std::min(vparam.num_chunks, max_num_chunks);
 
diff --git a/src/lib/device/virtual_dev.cpp b/src/lib/device/virtual_dev.cpp
index 37b32804f..3665f13b9 100644
--- a/src/lib/device/virtual_dev.cpp
+++ b/src/lib/device/virtual_dev.cpp
@@ -167,7 +167,8 @@ BlkAllocStatus VirtualDev::commit_blk(BlkId const& blkid) {
     HS_LOG(DEBUG, device, "commit_blk: bid {}", blkid.to_string());
     auto const recovering = homestore::hs()->is_initializing();
     if (!recovering) {
-        HS_DBG_ASSERT(is_blk_alloced(blkid), "commiting blkid {} is not allocated in non-recovery mode",
+        // in non-recovery mode, if a blk is committed without allocating, it will cause data corruption
+        HS_REL_ASSERT(is_blk_alloced(blkid), "commiting blkid {} is not allocated in non-recovery mode",
                       blkid.to_string());
     } else {
         chunk->blk_allocator_mutable()->reserve_on_cache(blkid);
diff --git a/src/tests/test_scripts/log_meta_test.py b/src/tests/test_scripts/log_meta_test.py
index 51b6014bb..021a185de 100755
--- a/src/tests/test_scripts/log_meta_test.py
+++ b/src/tests/test_scripts/log_meta_test.py
@@ -81,7 +81,7 @@ def meta_nightly(options, addln_opts):
     subprocess.check_call(options.dirpath + "test_meta_blk_mgr " + cmd_opts + addln_opts, stderr=subprocess.STDOUT,
                           shell=True)
 
-    cmd_opts = "--min_write_size=10485760 --max_write_size=104857600 --bitmap=1"
+    cmd_opts = "--min_write_size=10485760 --max_write_size=80857600 --bitmap=1"
     subprocess.check_call(options.dirpath + "test_meta_blk_mgr " + cmd_opts + addln_opts, stderr=subprocess.STDOUT,
                           shell=True)