About snapshot modes supported by Storage Foundation for Databases (SFDB) tools

The following are the snapshot modes supported by SFDB tools:

Table: Description of Snapshot Modes describes the two snapshot modes.

Table: Description of Snapshot Modes

Snapshot mode

Description

Online

The online snapshot mode:

  • Is like an online or a hot backup of the application or the database and it is suitable as a backup image.

  • Is the default and the recommended snapshot mode. In this mode, the DB2 database is put into write suspend mode during the snapshot operation.

  • Has the least performance impact on the application or the database.

  • Allows the user to perform manual point-in-time recovery of a clone based on the snapshot or of the primary application after a restore operation.

Offline

The offline snapshot mode:

  • Is like a cold backup of the application or the database and it is suitable as a backup image.

  • Requires the application to be offline.

  • Requires the snapshot configuration to be validated when the application is online.

  • Is fastest amongst the snapshot modes.