How do you test the integrity of db2 backup image

-

 If you want to test the integrity of the db2 backup image, db2 provides a wonderful utility called db2ckbkp


It is used to check the backup integrity

When db2ckbkp utility can be used?

1.use when a backup image appears to be corrupt

2.May also run proactively whenever a backup is taken

3.Can also be used to display meta-data stored within the backup image

use db2ckbkp for different options


Comments

Post a Comment

Popular posts from this blog

Difference between DB2 Terminate and Connect Reset

-
db2 Terminate  and  db2 connect Reset  both break the connection to a database. Connect Reset breaks a connection to a database, but does not terminate the back-end process. The Terminate command does both  break the connection to a database and terminate the back-end process. db2 list applications Auth Id Application Name Appl. Handle Application Id DB Name # of Agents ------- -------------- ---------- ------------------------------ -------- ----- S1 db2jcc.exe 1 *LOCAL.DB2.10000 EMP 1 TEST db2jcc.exe 2 *LOCAL.DB2.20000 EMP 1 Now you can use  db2 "force applications all"  This command is used to kill all the applications forcefully at instance level . To force a particular application with application handle 1 db2  "force application(1)"
Read more

Db2 export command example using file format (del , ixf)

-
You want to transfer data from a db2 database table to another db2 database or within the same database, one of the way is to use db2 export / import command. Using db2 export / import you can move your data to excel also.   DB2 export command exports data selected by SQL statement from a table or view to an external files in the format of  del - delimited , wsf - worksheet format , ixf - Integration Exchange Format,asc.   The DEL format uses delimiter and column separator and decimal point. The default string delimiter is double quote " and column separator is comma(,) and Decimal Point is dot(.), you can also specify your own string delimiter & column separator, decimal point. Another format supported by DB2 is   IXF (Integration Exchange Format). It is a generic relational database exchange format which supports an end-of-record delimiter . IXF architecture supports to exchange of relational database structures and data. IXF is used for transferring data ...
Read more

Database recovery methods

-
 Backup and recovery Following, there are four utilities supported within Db2 to facilitate backing up and restoring a database: The backup utility The restore utility The roll-forward utility The recover utility   The backup utility: The backup utility is used to create images outside the database that can be used to recover the entire database or a portion of it. If the database is an archive logging enabled database, the backup utility can be executed online with multiple concurrent applications connected to the database. The backup utility uses the utility heap to copy the data from the table spaces to the backup image. The utility heap can be controlled via the database configuration parameter UTIL_HEAP_SZ. The backup utility can write the backup image to storage devices on the database server, to a tape device, or can copy the data directly to the TSM storage devices or another vendor-supplied routine. Execute the BACKUP command to start the backup process. The basic syn...
Read more