diff --git a/.gitignore b/.gitignore
index 47aa3446731..45427efab5d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -72,3 +72,4 @@ xb/write
 xb/write_file
 
 next_gen
+cache_tgz
diff --git a/build.sh b/build.sh
index fe33dfed46c..b01527e42b4 100755
--- a/build.sh
+++ b/build.sh
@@ -1,5 +1,6 @@
 # scons --jobs 1 install  PREFIX=/opt/daos TARGET_TYPE=debug
 # rm -rf /root/project/stor/daos/main/daos/build/external/debug/argobots
+# 删除缓存: rm -rf build .sconf_temp .sconsign.dblite
 scons --jobs 32 install PREFIX=/opt/daos BUILD_TYPE=debug TARGET_TYPE=debug --build-deps=yes   # for qemu: scons-3 --jobs 1 install PREFIX=/opt/daos BUILD_TYPE=debug TARGET_TYPE=debug --build-deps=yes 
 # scons --jobs 1 install PREFIX=/opt/daos BUILD_TYPE=debug TARGET_TYPE=debug --build-deps=yes --implicit-deps-changed --config=force
 # scons --jobs 1 install PREFIX=/opt/daos BUILD_TYPE=debug TARGET_TYPE=debug --build-deps=no --implicit-deps-changed --config=force
\ No newline at end of file
diff --git a/install_rocky8_log b/install_rocky8_log
new file mode 100644
index 00000000000..31aea8a6f42
--- /dev/null
+++ b/install_rocky8_log
@@ -0,0 +1,4 @@
+./utils/scripts/helpers/repo-helper-el8.sh
+./utils/scripts/install-el8.sh
+
+
diff --git a/src/vos/tests/SConscript b/src/vos/tests/SConscript
index fb2d7855341..0556eff9e8a 100644
--- a/src/vos/tests/SConscript
+++ b/src/vos/tests/SConscript
@@ -18,18 +18,18 @@ def scons():
     tenv.AppendUnique(RPATH_FULL=['$PREFIX/lib64/daos_srv'])
     tenv.Append(OBJPREFIX="b_")
 
-    vos_test_src = ['vos_tests.c', 'vos_tests_xb.c', 'vts_io.c', 'vts_pool.c', 'vts_container.c',
+    vos_test_src = ['vos_tests.c', 'vts_io.c', 'vts_pool.c', 'vts_container.c',
                     tenv.Object("vts_common.c"), 'vts_aggregate.c', 'vts_dtx.c',
                     'vts_gc.c', 'vts_checksum.c', 'vts_ilog.c', 'vts_array.c',
                     'vts_pm.c', 'vts_ts.c', 'vts_mvcc.c', 'vos_cmd.c', 'vts_wal.c',
                     '../../object/srv_csum.c', '../../object/srv_io_map.c']
     vos_tests = tenv.d_program('vos_tests', vos_test_src, LIBS=libraries)
-    vos_tests_xb = tenv.d_program('vos_tests_xb', vos_test_src, LIBS=libraries)
+    # vos_tests_xb = tenv.d_program('vos_tests_xb', vos_test_src, LIBS=libraries)
     tenv.AppendUnique(CPPPATH=[Dir('../../common/tests').srcnode()])
     evt_ctl = tenv.d_program('evt_ctl', ['evt_ctl.c', utest_utils, cmd_parser], LIBS=libraries)
 
     tenv.Install('$PREFIX/bin/', [vos_tests, evt_ctl])
-    tenv.Install('$PREFIX/bin/', [vos_tests_xb, evt_ctl])
+    # tenv.Install('$PREFIX/bin/', [vos_tests_xb, evt_ctl])
     tenv.Install(conf_dir, ['vos_size_input.yaml'])
 
     unit_env = tenv.Clone()
diff --git a/src/vos/tests/vos_tests_xb.c b/src/vos/tests/vos_tests_xb.c_ignore
similarity index 100%
rename from src/vos/tests/vos_tests_xb.c
rename to src/vos/tests/vos_tests_xb.c_ignore