diff --git a/conf/db/upgrade/V5.5.30__schema.sql b/conf/db/upgrade/V5.5.30__schema.sql
index e69de29bb2d..f1970ae0b23 100644
--- a/conf/db/upgrade/V5.5.30__schema.sql
+++ b/conf/db/upgrade/V5.5.30__schema.sql
@@ -0,0 +1,71 @@
+CREATE TABLE IF NOT EXISTS `zstack`.`CbtTaskTemporaryVolumeVO` (
+    `uuid` varchar(32) NOT NULL,
+    `taskUuid` varchar(32) NOT NULL,
+    `sourceVolumeUuid` varchar(32) NOT NULL,
+    `lastOpDate` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+    `createDate` timestamp NOT NULL DEFAULT '0000-00-00 00:00:00',
+    PRIMARY KEY (`uuid`),
+    INDEX `idxCbtTaskTemporaryVolumeVOtaskUuid` (`taskUuid`),
+    INDEX `idxCbtTaskTemporaryVolumeVOsourceVolumeUuid` (`sourceVolumeUuid`),
+    CONSTRAINT `fkCbtTaskTemporaryVolumeVOTempVolumeEO` FOREIGN KEY (`uuid`) REFERENCES `zstack`.`VolumeEO` (`uuid`) ON DELETE CASCADE,
+    CONSTRAINT `fkCbtTaskTemporaryVolumeVOCbtTaskVO` FOREIGN KEY (`taskUuid`) REFERENCES `zstack`.`CbtTaskVO` (`uuid`) ON DELETE RESTRICT,
+    CONSTRAINT `fkCbtTaskTemporaryVolumeVOSourceVolumeEO` FOREIGN KEY (`sourceVolumeUuid`) REFERENCES `zstack`.`VolumeEO` (`uuid`) ON DELETE RESTRICT
+) ENGINE=InnoDB DEFAULT CHARSET=utf8;
+
+DROP TEMPORARY TABLE IF EXISTS `tmpCbtTaskTemporaryVolumeRef`;
+
+CREATE TEMPORARY TABLE `tmpCbtTaskTemporaryVolumeRef` (
+    `tempVolumeUuid` varchar(32) NOT NULL,
+    `taskUuid` varchar(32) NOT NULL,
+    `sourceVolumeUuid` varchar(32) NOT NULL,
+    `createDate` timestamp NULL DEFAULT NULL,
+    `lastOpDate` timestamp NULL DEFAULT NULL,
+    PRIMARY KEY (`tempVolumeUuid`, `taskUuid`, `sourceVolumeUuid`)
+) ENGINE=Memory DEFAULT CHARSET=utf8;
+
+INSERT IGNORE INTO `tmpCbtTaskTemporaryVolumeRef` (`tempVolumeUuid`, `taskUuid`, `sourceVolumeUuid`, `createDate`, `lastOpDate`)
+SELECT DISTINCT tempVol.uuid, ref.taskUuid, sourceVol.uuid, ref.createDate, ref.lastOpDate
+FROM `zstack`.`CbtTaskResourceRefVO` ref
+INNER JOIN `zstack`.`VolumeVO` tempVol ON tempVol.uuid = ref.resourceUuid
+INNER JOIN `zstack`.`VolumeEO` sourceVol ON sourceVol.uuid = SUBSTRING(tempVol.description, CHAR_LENGTH('cbt-volume-for-') + 1)
+WHERE ref.resourceType = 'VolumeVO'
+  AND tempVol.description LIKE 'cbt-volume-for-%';
+
+INSERT IGNORE INTO `tmpCbtTaskTemporaryVolumeRef` (`tempVolumeUuid`, `taskUuid`, `sourceVolumeUuid`, `createDate`, `lastOpDate`)
+SELECT DISTINCT tempVol.uuid, ref.taskUuid, sourceVol.uuid, ref.createDate, ref.lastOpDate
+FROM `zstack`.`CbtTaskResourceRefVO` ref
+INNER JOIN `zstack`.`VolumeVO` tempVol ON tempVol.uuid = ref.resourceUuid
+INNER JOIN `zstack`.`VolumeCbtBackupRecordVO` rec ON rec.taskUuid = ref.taskUuid AND rec.target = tempVol.installPath
+INNER JOIN `zstack`.`VolumeEO` sourceVol ON sourceVol.uuid = rec.volumeUuid
+WHERE ref.resourceType = 'VolumeVO';
+
+INSERT IGNORE INTO `zstack`.`CbtTaskTemporaryVolumeVO` (`uuid`, `taskUuid`, `sourceVolumeUuid`, `createDate`, `lastOpDate`)
+SELECT tmp.tempVolumeUuid,
+       tmp.taskUuid,
+       tmp.sourceVolumeUuid,
+       IFNULL(MIN(tmp.createDate), '0000-00-00 00:00:00'),
+       IFNULL(MAX(tmp.lastOpDate), CURRENT_TIMESTAMP)
+FROM `tmpCbtTaskTemporaryVolumeRef` tmp
+GROUP BY tmp.tempVolumeUuid, tmp.taskUuid, tmp.sourceVolumeUuid;
+
+INSERT INTO `zstack`.`CbtTaskResourceRefVO` (`taskUuid`, `resourceUuid`, `resourceType`, `createDate`, `lastOpDate`)
+SELECT tmp.taskUuid,
+       tmp.sourceVolumeUuid,
+       'VolumeVO',
+       IFNULL(MIN(tmp.createDate), '0000-00-00 00:00:00'),
+       IFNULL(MAX(tmp.lastOpDate), CURRENT_TIMESTAMP)
+FROM `tmpCbtTaskTemporaryVolumeRef` tmp
+LEFT JOIN `zstack`.`CbtTaskResourceRefVO` existingRef
+       ON existingRef.taskUuid = tmp.taskUuid
+      AND existingRef.resourceUuid = tmp.sourceVolumeUuid
+      AND existingRef.resourceType = 'VolumeVO'
+WHERE existingRef.id IS NULL
+GROUP BY tmp.taskUuid, tmp.sourceVolumeUuid;
+
+DELETE ref FROM `zstack`.`CbtTaskResourceRefVO` ref
+INNER JOIN `tmpCbtTaskTemporaryVolumeRef` tmp
+        ON tmp.taskUuid = ref.taskUuid
+       AND tmp.tempVolumeUuid = ref.resourceUuid
+WHERE ref.resourceType = 'VolumeVO';
+
+DROP TEMPORARY TABLE IF EXISTS `tmpCbtTaskTemporaryVolumeRef`;