Zero Downtime Backup of MaxDB database with HP Data Protector

Database instance
Every database instance consists of threads (such as log writer, server task, timer tasks, and so on),
main memory structures (caches) and volumes.
X Server
The X Server is the communication instance of MAX DB software. It is required if the individual
software components are on different hosts. For example, database applications and MAX DB tools
communicate with a database instance installed on a remote host using the X server that also runs on
the remote host.
Database manager tools
T
o
create and manage database instances, three database tools are used:
 Database Manager GUI
 Web DBM
 Database Manager CLI
You can operate the Database Manager as a command line tool (Database Manager CLI), as a
graphical user interface (Database Manager GUI), or as a Web-based tool (Web DBM). All three
types of this program offer the same range of functions.
Logging mechanism
Figure 4. Logging Mechanism
log backup
LOG_00 1
LOG_002
LOG_00N
archiving
Performed by a
third party
backup tool
•Logbackup
– Moving pages (log segments) from log files to version files
– Each log backup creates a new version file
•Archiving
–Movingversionfilestotape
Lo
g
A
rea
(online redo logs)
V
ersion files
(archived redo logs)
Interactive or
automatic
log writer
LOG.001
LOG.002
LOG.00N
log backup
LOG_00 1
LOG_002
LOG_00N
archiving
Performed by a
third party
backup tool
•Logbackup
– Moving pages (log segments) from log files to version files
– Each log backup creates a new version file
•Archiving
–Movingv
log backup
LOG_00 1
LOG_002
LOG_00N
archiving
Performed by a
third party
backup tool
•Logbackup
– Moving pages (log segments) from log files to version files
– Each log backup creates a new version file
•Archiving
–Movingversionfilestotape
Lo
g
A
rea
(online redo logs)
V
ersion files
(archived redo logs)
Interactive or
automatic
log writer
LOG.001
LOG.002
LOG.00N
MaxDB offers two kinds of archive log modes: archive and non-archive.
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