fail mount content database while upgrading from sharepoint 2007 to sharepoint2010

hi i encountered problem while upgrading from sharepoint 2007 to sharepoint 2010 but most of errors were from sql what can i do 

best regards

[powershell] [SPContentDatabaseSequence] [INFO] [4/19/2016 2:41:58 PM]: SPContentDatabase Name=WSS_Content_PDMS_DT_9055
[powershell] [SPContentDatabaseSequence] [ERROR] [4/19/2016 2:41:58 PM]: Action 4.0.98.0 of Microsoft.SharePoint.Upgrade.SPContentDatabaseSequence failed.
[powershell] [SPContentDatabaseSequence] [INFO] [4/19/2016 2:41:58 PM]: SPContentDatabase Name=WSS_Content_PDMS_DT_9055
[powershell] [SPContentDatabaseSequence] [ERROR] [4/19/2016 2:41:58 PM]: Exception: SQL Server detected a logical consistency-based I/O error: incorrect checksum (expected: 0x07b04072; actual: 0x06cfbda2). It occurred during a read of page (1:5101833) in database ID 46 at offset 0x000009bb212000 in file 'C:\Program Files\Microsoft SQL Server\MSSQL11.SQLSERVER2012\MSSQL\DATA\WSS_Content_PDMS_DT_9055.mdf'.  Additional messages in the SQL Server error log or system event log may provide more detail. This is a severe error condition that threatens database integrity and must be corrected immediately. Complete a full database consistency check (DBCC CHECKDB). This error can be caused by many factors; for more information, see SQL Server Books Online.
[powershell] [SPContentDatabaseSequence] [INFO] [4/19/2016 2:41:58 PM]: SPContentDatabase Name=WSS_Content_PDMS_DT_9055
[powershell] [SPContentDatabaseSequence] [ERROR] [4/19/2016 2:41:58 PM]:    at System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection)
   at System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj)
   at System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj)
   at System.Data.SqlClient.SqlCommand.RunExecuteNonQueryTds(String methodName, Boolean async)
   at System.Data.SqlClient.SqlCommand.InternalExecuteNonQuery(DbAsyncResult result, String methodName, Boolean sendToPipe)
   at System.Data.SqlClient.SqlCommand.ExecuteNonQuery()
   at Microsoft.SharePoint.Utilities.SqlSession.ExecuteNonQuery(SqlCommand command)
   at Microsoft.SharePoint.Upgrade.SPDatabaseSequence.ExecuteDataDefinitionMethodCore(SqlSession sqlSession, ISqlSession isqlSession, String sqlscript, SPLog log)
   at Microsoft.SharePoint.Upgrade.UpgradeAllDocStreamsAndAllDocVersions.Upgrade()
   at Microsoft.SharePoint.Upgrade.SPActionSequence.Upgrade()
[powershell] [SPContentDatabaseSequence] [INFO] [4/19/2016 2:41:58 PM]: SPContentDatabase Name=WSS_Content_PDMS_DT_9055
[powershell] [SPContentDatabaseSequence] [ERROR] [4/19/2016 2:41:58 PM]: Action 4.0.98.0 of Microsoft.SharePoint.Upgrade.SPContentDatabaseSequence failed to rollback.
[powershell] [SPContentDatabaseSequence] [INFO] [4/19/2016 2:41:58 PM]: SPContentDatabase Name=WSS_Content_PDMS_DT_9055
[powershell] [SPContentDatabaseSequence] [ERROR] [4/19/2016 2:41:58 PM]: Exception: This SqlTransaction has completed; it is no longer usable.
[powershell] [SPContentDatabaseSequence] [INFO] [4/19/2016 2:41:58 PM]: SPContentDatabase Name=WSS_Content_PDMS_DT_9055
[powershell] [SPContentDatabaseSequence] [ERROR] [4/19/2016 2:41:58 PM]:    at System.Data.SqlClient.SqlTransaction.ZombieCheck()
   at System.Data.SqlClient.SqlTransaction.Rollback(String transactionName)
   at Microsoft.SharePoint.Utilities.TransactionalSqlSession.Rollback()
   at Microsoft.SharePoint.Upgrade.SPDatabaseAction.Rollback()
   at Microsoft.SharePoint.Upgrade.SPActionSequence.Upgrade()
[powershell] [SPUpgradeSession] [INFO] [4/19/2016 2:41:59 PM]: SPContentDatabase Name=WSS_Content_PDMS_DT_9055
[powershell] [SPUpgradeSession] [ERROR] [4/19/2016 2:41:59 PM]: Upgrade [SPContentDatabase Name=WSS_Content_PDMS_DT_9055] failed.
[powershell] [SPUpgradeSession] [INFO] [4/19/2016 2:41:59 PM]: SPContentDatabase Name=WSS_Content_PDMS_DT_9055
[powershell] [SPUpgradeSession] [ERROR] [4/19/2016 2:41:59 PM]: Inner Exception: This SqlTransaction has completed; it is no longer usable.
[powershell] [SPUpgradeSession] [INFO] [4/19/2016 2:41:59 PM]: SPContentDatabase Name=WSS_Content_PDMS_DT_9055
[powershell] [SPUpgradeSession] [ERROR] [4/19/2016 2:41:59 PM]:    at System.Data.SqlClient.SqlTransaction.ZombieCheck()
   at System.Data.SqlClient.SqlTransaction.Rollback(String transactionName)
   at Microsoft.SharePoint.Utilities.TransactionalSqlSession.Rollback()
   at Microsoft.SharePoint.Upgrade.SPDatabaseAction.Rollback()
   at Microsoft.SharePoint.Upgrade.SPActionSequence.Upgrade()
[powershell] [SPUpgradeSession] [INFO] [4/19/2016 2:41:59 PM]: SPContentDatabase Name=WSS_Content_PDMS_DT_9055
[powershell] [SPUpgradeSession] [ERROR] [4/19/2016 2:41:59 PM]: Exception: Action 4.0.98.0 of Microsoft.SharePoint.Upgrade.SPContentDatabaseSequence failed to rollback.
[powershell] [SPUpgradeSession] [INFO] [4/19/2016 2:41:59 PM]: SPContentDatabase Name=WSS_Content_PDMS_DT_9055
[powershell] [SPUpgradeSession] [ERROR] [4/19/2016 2:41:59 PM]:    at Microsoft.SharePoint.Upgrade.SPActionSequence.Upgrade()
   at Microsoft.SharePoint.Upgrade.SPDatabaseSequence.Upgrade()
   at Microsoft.SharePoint.Upgrade.SPContentDatabaseSequence.Upgrade()
   at Microsoft.SharePoint.Upgrade.SPUpgradeSession.Upgrade(Object o, Boolean bRecurse)