HP B6960-96035 User Manual download pdf (Page 223)

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To prevent Data Protector processes from exceeding system capabilities, the maximum

number of concurrent backup sessions is limited. The limit is configurable.

Figure 64 on page 223 shows multiple sessions running concurrently.

Figure 64 Backup session information flow - multiple sessions

Pre-exec and post-exec commands

Data Protector pre-exec commands enable you to execute some actions before a

backup or a restore session. Data Protector post-exec commands enable you to

execute some actions after a backup or a restore session. A typical pre-exec action

would be to shut down a database to put data in a consistent state.

The pre-exec and post-exec commands can be set for a backup specification and,

as such, executed on the Cell Manager system, or they can be specified as a backup

object option and thus executed on the client system where the respective Disk Agent

is running.

Pre-exec and post-exec script commands can be written as executables or shell scripts.

These are not supplied by Data Protector and must be written separately by, for

example, the backup operator.

Concepts guide 223

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HP B6960-96035 User Manual Page 223

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