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Error in DMS server

Hi

For our DMS server d/b is MAXDB 7.6 and OS WIN32.

when i open D/b manager for backup , we can see two files to backup (S1 and S2)

S1 is able to come online but not S2. If i double click it (to make it online), error is something like --

"24988 sql server error [ backup_save S2 data recovery ] , -902 Message not available"

If i check database error files ---

2013-01-22 11:51:24 0x71C ERR 18249 IO Devspace 'F:\sapdb\CDB\saplog\DISKL001' marked as bad at position 80

2013-01-22 11:51:24 0x818 ERR 53013 I/O error evaluating devspace

2013-01-22 11:51:24 0x818 ERR 53017 I/O LOGDEV DEVNO: 1

2013-01-22 11:51:24 0x818 ERR 53016 I/O F:\sapdb\CDB\saplog\DISKL001

2013-01-22 11:51:24 0x818 ERR 53013 I/O b15l_attach_log_for_read: blank devname

2013-01-22 11:51:30 0x71C ERR 18249 IO Devspace 'F:\sapdb\CDB\saplog\DISKL001' marked as bad at position 80

2013-01-22 11:51:30 0x818 ERR 53013 I/O error evaluating devspace

2013-01-22 11:51:30 0x818 ERR 53017 I/O LOGDEV DEVNO: 1

2013-01-22 11:51:30 0x818 ERR 53016 I/O F:\sapdb\CDB\saplog\DISKL001

2013-01-22 11:51:30 0x818 ERR 53013 I/O b15l_attach_log_for_read: blank devname

2013-01-22 11:51:37 0x71C ERR 18249 IO Devspace 'F:\sapdb\CDB\saplog\DISKL001' marked as bad at position 80

2013-01-22 11:51:37 0x818 ERR 53013 I/O error evaluating devspace

2013-01-22 11:51:37 0x818 ERR 53017 I/O LOGDEV DEVNO: 1

2013-01-22 11:51:37 0x818 ERR 53016 I/O F:\sapdb\CDB\saplog\DISKL001

2013-01-22 11:51:37 0x818 ERR 53013 I/O b15l_attach_log_for_read: blank devname

2013-01-22 11:52:22 0x71C ERR 18249 IO Devspace 'F:\sapdb\CDB\saplog\DISKL001' marked as bad at position 80

2013-01-22 11:52:22 0x818 ERR 53013 I/O error evaluating devspace

2013-01-22 11:52:22 0x818 ERR 53017 I/O LOGDEV DEVNO: 1

2013-01-22 11:52:22 0x818 ERR 53016 I/O F:\sapdb\CDB\saplog\DISKL001

2013-01-22 11:52:22 0x818 ERR 53013 I/O b15l_attach_log_for_read: blank devname

2013-01-22 11:56:58 0x71C ERR 18249 IO Devspace 'F:\sapdb\CDB\saplog\DISKL001' marked as bad at position 80

2013-01-22 11:56:58 0x818 ERR 53013 I/O error evaluating devspace

2013-01-22 11:56:58 0x818 ERR 53017 I/O LOGDEV DEVNO: 1

2013-01-22 11:56:58 0x818 ERR 53016 I/O F:\sapdb\CDB\saplog\DISKL001

2013-01-22 11:57:07 0x71C ERR 18249 IO Devspace 'F:\sapdb\CDB\saplog\DISKL001' marked as bad at position 80

2013-01-22 11:57:07 0x818 ERR 53013 I/O error evaluating devspace

2013-01-22 11:57:07 0x818 ERR 53017 I/O LOGDEV DEVNO: 1

2013-01-22 11:57:07 0x818 ERR 53016 I/O F:\sapdb\CDB\saplog\DISKL001

2013-01-22 15:41:00 0x71C ERR 18249 IO Devspace 'F:\sapdb\CDB\saplog\DISKL001' marked as bad at position 80

2013-01-22 15:41:00 0x818 ERR 53013 I/O error evaluating devspace

2013-01-22 15:41:00 0x818 ERR 53017 I/O LOGDEV DEVNO: 1

Can someone advice on this error. how to make it online?

WR

Swati

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3 Answers

  • Best Answer
    Jan 23, 2013 at 04:20 AM

    Hi Swati,

    Devspace 'F:\sapdb\CDB\saplog\DISKL001' marked as bad at position 80

    As per above message it looks like log file for CDB database has some corruption. CDB is mostly used for caching in SAP DMS. Incase you have not enabled caching, you may restore CDB from old backup or re-install only the cache server again in your system.

    Regards,

    Deepak Kori

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  • Jan 30, 2013 at 05:24 AM

    Hi

    We are planning to restore the database CDB. Can any1 help me out with the steps how to do it.

    I know that it can be done thru recovery wizard.

    do i need to create a new database and then restore all the data from CDB?

    Please advice how to start with this.

    WR

    Swati

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    • Hi Swati,

      Steps are ok. Hope this helps. Recovery is not required as it holds only cache data. Actual data resides in SDB database. Restoration should happen in mins.

      Note: Select Recovery with initialization in the wizard.

      Regards,

      Deepak Kori

  • avatar image
    Former Member
    Jan 23, 2013 at 03:08 AM

    Hi Swati,

    From MaxDB Version 7.5.00 Build 40 and 7.6.02 Build 03 onwards, a new parameter has been created to enable the use of SMB shares: USE_BACKUP_SECURITY_DESCRIPTOR

    If you set this parameter to NO, no security descriptor will be used for opening backup file, thus the backup will run without problems.

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