diff --git a/src/bin/initdb/initdb.cpp b/src/bin/initdb/initdb.cpp
index 9f80c3813..be7897c47 100644
--- a/src/bin/initdb/initdb.cpp
+++ b/src/bin/initdb/initdb.cpp
@@ -3927,14 +3927,14 @@ static void parse_vgname_args(char* args)
     vgname = xstrdup(args);
     enable_dss = true;
     if (strstr(vgname, "/") != NULL) {
-        fprintf(stderr, "invalid token \"/\" in vgname");
+        fprintf(stderr, "invalid token \"/\" in vgname\n");
         exit(1);
     }
 
     char *comma = strstr(vgname, ",");
     if (comma == NULL) {
         vgdata = vgname;
-        vglog = (char *)"";
+        vglog = vgname;
         return;
     }
 
@@ -3942,11 +3942,7 @@ static void parse_vgname_args(char* args)
     comma = strstr(vgdata, ",");
     comma[0] = '\0';
     vglog = comma + 1;
-    if (strstr(vgdata, ",") != NULL) {
-        fprintf(stderr, "invalid vgname args, should be two volume group names, example: \"+data,+log\"");
-        exit(1);
-    }
-    if (strstr(vglog, ",") != NULL) {
+    if (strstr(vgdata, ",") != NULL || strstr(vglog, ",") != NULL) {
         fprintf(stderr, "invalid vgname args, should be two volume group names, example: \"+data,+log\"");
         exit(1);
     }
diff --git a/src/gausskernel/process/postmaster/pagewriter.cpp b/src/gausskernel/process/postmaster/pagewriter.cpp
index 4c4f0dfc2..6c9c35ae1 100755
--- a/src/gausskernel/process/postmaster/pagewriter.cpp
+++ b/src/gausskernel/process/postmaster/pagewriter.cpp
@@ -1657,6 +1657,23 @@ static void incre_ckpt_aio_callback(struct io_event *event)
         _exit(0);
     }
 
+    off_t roffset = 0;
+    if (IsSegmentBufferID(buf_desc->buf_id)) {
+        roffset = ((buf_desc->tag.blockNum) % RELSEG_SIZE) * BLCKSZ;
+    } else {
+        roffset = ((buf_desc->extra->seg_blockno) % RELSEG_SIZE) * BLCKSZ;
+    }
+
+    int aioRet = dss_aio_post_pwrite(event->obj->data, tempAioExtra->aio_fd, event->obj->u.c.nbytes, roffset);
+    if (aioRet != 0) {
+        ereport(PANIC, (errmsg("failed to post write by asnyc io (errno = %d), buffer: %d/%d/%d/%d/%d %d-%d", errno,
+            buf_desc->tag.rnode.spcNode, buf_desc->tag.rnode.dbNode, buf_desc->tag.rnode.relNode,
+            (int32)buf_desc->tag.rnode.bucketNode, (int32)buf_desc->tag.rnode.opt,
+            buf_desc->tag.forkNum, buf_desc->tag.blockNum)));
+    }
+
+    buf_desc->extra->aio_in_progress = false;
+
 #ifdef USE_ASSERT_CHECKING
     char *write_buf = (char *)(event->obj->u.c.buf);
     char *origin_buf = (char *)palloc(BLCKSZ + ALIGNOF_BUFFER);
@@ -1669,10 +1686,9 @@ static void incre_ckpt_aio_callback(struct io_event *event)
                                             buf_desc->extra->seg_fileno, buf_desc->tag.forkNum,
                                             buf_desc->extra->seg_blockno, (char *)read_buf);
     }
-    
     if (XLByteEQ(PageGetLSN(read_buf), PageGetLSN(write_buf))) {
         Assert(memcmp(write_buf, read_buf, BLCKSZ) == 0);   
-    } else if (XLByteLT(PageGetLSN(read_buf), PageGetLSN(write_buf))) {
+    } else if (!PageIsNew(read_buf) && XLByteLT(PageGetLSN(read_buf), PageGetLSN(write_buf))) {
         ereport(PANIC, (errmsg("[SS][%d/%d/%d/%d/%d %d-%d]aio write error", 
             buf_desc->tag.rnode.spcNode, buf_desc->tag.rnode.dbNode, buf_desc->tag.rnode.relNode,
             (int32)buf_desc->tag.rnode.bucketNode, (int32)buf_desc->tag.rnode.opt,
@@ -1691,22 +1707,6 @@ static void incre_ckpt_aio_callback(struct io_event *event)
     pfree(origin_buf);
 #endif
 
-    off_t roffset = 0;
-    if (IsSegmentBufferID(buf_desc->buf_id)) {
-        roffset = ((buf_desc->tag.blockNum) % RELSEG_SIZE) * BLCKSZ;
-    } else {
-        roffset = ((buf_desc->extra->seg_blockno) % RELSEG_SIZE) * BLCKSZ;
-    }
-
-    int aioRet = dss_aio_post_pwrite(event->obj->data, tempAioExtra->aio_fd, event->obj->u.c.nbytes, roffset);
-    if (aioRet != 0) {
-        ereport(PANIC, (errmsg("failed to post write by asnyc io (errno = %d), buffer: %d/%d/%d/%d/%d %d-%d", errno,
-            buf_desc->tag.rnode.spcNode, buf_desc->tag.rnode.dbNode, buf_desc->tag.rnode.relNode,
-            (int32)buf_desc->tag.rnode.bucketNode, (int32)buf_desc->tag.rnode.opt,
-            buf_desc->tag.forkNum, buf_desc->tag.blockNum)));
-    }
-
-    buf_desc->extra->aio_in_progress = false;
     UnpinBuffer(buf_desc, true);
 }
 
diff --git a/src/gausskernel/storage/smgr/segment/segbuffer.cpp b/src/gausskernel/storage/smgr/segment/segbuffer.cpp
index 2b9def81b..b1a7d6880 100644
--- a/src/gausskernel/storage/smgr/segment/segbuffer.cpp
+++ b/src/gausskernel/storage/smgr/segment/segbuffer.cpp
@@ -323,7 +323,7 @@ void SegFlushCheckDiskLSN(SegSpace *spc, RelFileNode rNode, ForkNumber forknum,
                           BufferDesc *buf_desc, char *buf)
 {   
 #ifndef USE_ASSERT_CHECKING
-    if (!IsInitdb && !RecoveryInProgress() && !SS_IN_ONDEMAND_RECOVERY && ENABLE_DSS && 
+    if (!RecoveryInProgress() && !SS_IN_ONDEMAND_RECOVERY && ENABLE_DMS && 
         !SS_DISASTER_STANDBY_CLUSTER && !g_instance.dms_cxt.SSRecoveryInfo.disaster_cluster_promoting) {
         dms_buf_ctrl_t *buf_ctrl = GetDmsBufCtrl(buf_desc->buf_id);
         XLogRecPtr lsn_on_mem = PageGetLSN(buf);
@@ -336,7 +336,7 @@ void SegFlushCheckDiskLSN(SegSpace *spc, RelFileNode rNode, ForkNumber forknum,
         }
     }       
 #else
-    if (!RecoveryInProgress() && !SS_IN_ONDEMAND_RECOVERY && ENABLE_DSS && ENABLE_VERIFY_PAGE_VERSION && 
+    if (!RecoveryInProgress() && !SS_IN_ONDEMAND_RECOVERY && ENABLE_DMS && ENABLE_VERIFY_PAGE_VERSION && 
         !SS_DISASTER_STANDBY_CLUSTER && !g_instance.dms_cxt.SSRecoveryInfo.disaster_cluster_promoting) {
         char *origin_buf = (char *)palloc(BLCKSZ + ALIGNOF_BUFFER);
         char *temp_buf = (char *)BUFFERALIGN(origin_buf);