diff --git a/zvmsdk/api.py b/zvmsdk/api.py
index 8cec5e393..bb7856d9f 100755
--- a/zvmsdk/api.py
+++ b/zvmsdk/api.py
@@ -346,36 +346,50 @@ def host_get_diskpool_volumes(self, disk_pool=None):
         # they want to get the disk pool info of CONF.zvm.disk_pool.
         # The default value of CONF.zvm.disk_pool is None, if it's configured,
         # the format must be "ECKD:eckdpool" or "FBA:fbapool".
-        disk_pool = disk_pool
-        if disk_pool is None:
-            disk_pool = CONF.zvm.disk_pool
-            if disk_pool is not None:
-                disk_pools = disk_pool.split(",")
-                if len(disk_pools) == 1:
-                    disk_pool = disk_pools[0]
-                else:
-                    errmsg = ("disk_pool input is required if multiple disk_pool"
-                              " is configured for sdkserver.")
-                    LOG.error(errmsg)
-                    raise exception.SDKInvalidInputFormat(msg=errmsg)
-        if disk_pool is None:
-            # Support disk_pool not configured, return empty list
-            return {}
-        if ':' not in disk_pool:
-            msg = ('Invalid input parameter disk_pool, expect ":" in'
-                   'disk_pool, eg. ECKD:eckdpool')
-            LOG.error(msg)
-            raise exception.SDKInvalidInputFormat(msg)
-        diskpool_type = disk_pool.split(':')[0].upper()
-        if diskpool_type not in ('ECKD', 'FBA'):
-            msg = ('Invalid disk pool type found in disk_pool, expect'
-                   'disk_pool like ECKD:eckdpool or FBA:fbapool')
-            LOG.error(msg)
-            raise exception.SDKInvalidInputFormat(msg)
-
-        action = "get the volumes of disk pool: '%s'" % disk_pool
-        with zvmutils.log_and_reraise_sdkbase_error(action):
-            return self._hostops.diskpool_get_volumes(disk_pool)
+        try:
+            if disk_pool is None:
+                disk_pool = CONF.zvm.disk_pool
+            if not disk_pool:
+                # Support disk_pool not configured, return empty
+                return {}
+            if isinstance(disk_pool, list):
+                disk_pools = disk_pool
+            elif isinstance(disk_pool, str):
+                disk_pools = [each_pool.strip() for each_pool in disk_pool.split(",") if each_pool.strip()]
+            else:
+                disk_pools = []
+            if not disk_pools:
+                # Support disk_pool not configured, return empty list
+                return {}
+            results = {}
+            for each_pool in disk_pools:
+                if ':' not in each_pool:
+                    msg = ('Invalid input parameter disk_pool, expect ":" in'
+                        'disk_pool, eg. ECKD:eckdpool')
+                    LOG.error(msg)
+                    raise exception.SDKInvalidInputFormat(msg)
+                diskpool_type, diskpool_name = each_pool.split(':', 1)
+                diskpool_type = diskpool_type.upper()
+                diskpool_name = diskpool_name.upper()
+
+                if diskpool_type not in ('ECKD', 'FBA'):
+                    msg = ('Invalid disk pool type found in disk_pool, expect'
+                        'disk_pool like ECKD:eckdpool or FBA:fbapool')
+                    LOG.error(msg)
+                    raise exception.SDKInvalidInputFormat(msg)
+                # Get volumes from each diskpool
+                action = "get the volumes of disk pool: '%s'" % each_pool
+                with zvmutils.log_and_reraise_sdkbase_error(action):
+                    results[diskpool_name] = self._hostops.diskpool_get_volumes(each_pool)
+            LOG.info("Diskpool volumes are %s " % results)
+            return results
+        except exception.SDKInvalidInputFormat:
+            errmsg = (
+            "disk_pool input is not configured  "
+            "correctly for sdkserver. Please check the diskpool configuration"
+            )
+            LOG.error(errmsg)
+            raise
 
     def host_get_volume_info(self, volume=None):
         """ Retrieve volume information.