Veritas NetBackup™ DataStore SDK Programmer's Guide for XBSA 1.1.0

Last Published:
Product(s): NetBackup (8.2, 8.1.2)
  1. Introduction to NetBackup XBSA
    1.  
      About Introduction to NetBackup XBSA
    2.  
      What is NetBackup XBSA?
    3.  
      What does NetBackup XBSA do?
    4.  
      Terminology
    5.  
      Important concepts
    6.  
      Resources
  2. How to set up the SDK
    1.  
      System requirements
    2. Installing the SDK
      1.  
        Installation requirements
      2.  
        Installation instructions for UNIX platforms
      3.  
        Installation instructions for Windows platforms
    3.  
      Uninstalling the SDK
    4.  
      Configuration
    5.  
      Description of the XBSA SDK package
    6.  
      Library files
    7.  
      Header files
  3. Using the NetBackup XBSA interface
    1.  
      Getting help with the API
    2. NetBackup XBSA data structures
      1.  
        Object data
      2.  
        Object descriptors
      3.  
        Query descriptors
      4. Buffers
        1.  
          Buffer size
        2.  
          Private buffer space
        3.  
          Use of BSA_DataBlock32 in BSASendData()
        4.  
          Use of BSA_DataBlock32 in BSAGetData()
        5.  
          Shared memory
    3. NetBackup XBSA environment
      1.  
        Environment variable definitions
      2.  
        Extended environment variable definitions
    4. XBSA sessions and transactions
      1. Sessions
        1.  
          Initialization and termination
        2.  
          Authentication
      2. Transactions
        1.  
          Backup transaction
        2.  
          Restore transaction
        3.  
          Delete transaction
        4.  
          Query transaction
        5.  
          Media IDs transaction
    5. Creating a NetBackup XBSA application
      1. Initiating a session
        1.  
          Modifying the XBSA environment within a session
        2.  
          Session example
      2. Backup - creating an object
        1.  
          Creating an object
        2.  
          NetBackup object ownership
        3.  
          Creating an empty object
        4.  
          Backup example
      3. Query - finding an object descriptor
        1.  
          Querying for an object
        2.  
          Query example
      4. Restore - retrieving an object's data
        1.  
          Restoring an object
        2.  
          Redirected restore to a different client
        3.  
          Restore example
        4.  
          Multiple object restore
        5.  
          Multiple object restore example
      5. Delete - deleting an object or image
        1.  
          Delete example
      6. Media IDs - obtaining media IDs
        1.  
          Media ID example
      7.  
        Logging and NetBackup
      8.  
        Client in a cluster
      9.  
        Performance considerations
  4. How to build an XBSA application
    1.  
      Getting help
    2.  
      Flags and defines
    3.  
      How to build in debug mode
    4.  
      How to debug the application
    5.  
      Static libraries
    6.  
      Dynamic libraries
    7.  
      End-user configuration
  5. How to run a NetBackup XBSA application
    1. About How to run a NetBackup XBSA application
      1. Creating a NetBackup policy
        1.  
          Selecting a storage unit
        2.  
          Adding new schedules
        3.  
          Adding script files to the files list
        4.  
          Adding new clients
      2.  
        Running a NetBackup XBSA application
      3.  
        Backups and restores initiated by NetBackup (through a script)
      4.  
        Backups and restores from the command line
  6. API reference
    1.  
      Error messages
    2. Function calls
      1.  
        Conventions
    3. Function specifications
      1.  
        BSABeginTxn
      2.  
        BSACreateObject
      3.  
        BSADeleteObject
      4.  
        BSAEndData
      5.  
        BSAEndTxn
      6.  
        BSAGetData
      7.  
        BSAGetEnvironment
      8.  
        BSAGetLastError
      9.  
        BSAGetNextQueryObject
      10.  
        BSAGetObject
      11.  
        BSAInit
      12.  
        BSAQueryApiVersion
      13.  
        BSAQueryObject
      14.  
        BSAQueryServiceProvider
      15.  
        BSASendData
      16.  
        BSATerminate
      17.  
        NBBSAAddToMultiObjectRestoreList
      18.  
        NBBSADeleteImage
      19.  
        NBBSAEndGetMultipleObjects
      20.  
        NBBSAFreeJobInfo
      21.  
        NBBSAGetEnv
      22.  
        NBBSAGetErrorString
      23.  
        NBBSAGetJobId
      24.  
        NBBSAGetJobInfo
      25.  
        NBBSAGetMediaIds
      26.  
        NBBSAGetMultipleObjects
      27.  
        NBBSAGetServerError
      28.  
        NBBSALogMsg
      29.  
        NBBSASetEnv
      30.  
        NBBSAUpdateEnv
      31.  
        NBBSAValidateFeatureId
    4. Type definitions
      1. Enumerated types
        1.  
          BSA_CopyType
        2.  
          BSA_ObjectStatus
        3.  
          BSA_ObjectType
        4.  
          BSA_Vote
        5.  
          Constant values
      2. Data structures
        1.  
          BSA_ApiVersion
        2.  
          BSA_DataBlock32
        3.  
          BSA_ObjectDescriptor
        4.  
          BSA_ObjectName
        5.  
          BSA_ObjectOwner
        6.  
          BSA_QueryDescriptor
        7.  
          BSA_SecurityToken
  7. Process flow and troubleshooting
    1.  
      About Process flow and troubleshooting
    2. Backup
      1. Stream backup process flow description
        1.  
          Stream backup procedure
    3. Restore
      1. Stream restore process flow description
        1.  
          Stream restore procedure
  8. How to use the sample files
    1. What the sample files do
      1. Sample programs
        1.  
          Backup
        2.  
          Restore
        3.  
          Query
        4.  
          Delete
      2.  
        Sample scripts
    2.  
      Description of sample files
    3.  
      How to build the sample programs
  9. Support and updates
    1.  
      About Support and updates
  10. Appendix A. Register authorized locations
    1.  
      Registering authorized locations used by a NetBackup database script-based policy

Logging and NetBackup

NetBackup has a log directory that contains the debug logs for the various processes that make up the NetBackup server and/or client. There is a configurable verbose level that controls how much information is logged to these debug logs. This verbose level is a value from 0 to 5, with 0 indicating minimal logging and 5 being debug. These logs are used by NetBackup support to help solve customer problems. The log directory is located at /usr/openv/netbackup/logs on UNIX systems and install directory/Veritas/NetBackup/logs on Windows. Within this directory are directories for the different processes such as bprd, bpbrm, and so on. One log file gets created for each day, and NetBackup automatically cleans up old files from this directory. The NetBackup XBSA interface by default logs to the directory exten_client.

With NetBackup 8.1.2, some of the NetBackup services use Unified Logging (VxUL). Those include scheduler components: nbjm, nbpem and nbrb. For more details on VxUL, please see the NetBackup Troubleshooting Guide and the NetBackup Logging Reference Guide. The NetBackup XBSA interface does not currently use VxUL.

The NetBackup XBSA interface allows the XBSA application to log in a manner consistent with other NetBackup processes. By using the NBBSALogMsg() function, the XBSA application logs messages to the same file as the NetBackup XBSA interface. This can cause some confusion for the developer at first, especially at high debug levels, but lets the application see what causes the errors and it could help NetBackup support see what the XBSA application is doing. The log messages contain a timestamp along with the process ID, which is useful when there are multiple processes going at once.

The log message also contains a debug level. The different error levels used by NetBackup are defined in nbbsa.h. One of these values should be used in the msgType parameter of NBBSALogMsg(). While there are no hard definitions of when to use each of these values, using these values may help if NetBackup support or engineering is ever involved in looking at a debug log.

#define MSINFO         4
#define MSWARNING      8
#define MSERROR       16
#define MSCRITICAL    32

The XBSA application is not required to log information to the NetBackup logs. If the XBSA application is the backup portion of another application or database, it may make more sense to log information to a place consistent with the rest of the application.