There are many ways to increase the safety of a database. As a rule, the two most popular methods are: a server cluster, and special software with a simpler hardware solution. In the case of a server cluster, if one of the servers fails, a second cluster of the server keeps working. The advantage of this method is that switching to a reserve server is transparent and no data are lost. A big disadvantage is the high cost of the equipment.
A second way is to use a reserve server with the Sybase ASE server installed. On the reserve server, you make a backup copy of the database from the main server, and using the Data Protection Master provide continuous updating in a given interval.
* Advantages of the DPM solution:
Creating and supporting the actual copy of a DB in real time.
Thanks to the synchronization algorithm, if the main server fails, switching to the reserve server is simple and quick.
Easily create a transactions dump and a database dump for later copying to reserve media (type, hard or storage).
Easily restore data (in case of a failure or incorrect changes) to practically any point in time thanks to storing the history of a dump and a transactions log.
Creation of log files for management and auditing.
Low requirements on the reserve server hardware.
Easy-to-use interface.
VISOCO DPM costs from $99.95 only, has flexible prices and does not require any additional royalty fees.
- Language: English
- Size: 1 Mb
- License: Shareware
- Cost: 99.95 $
- Updated: 2006-09-18 18:39:25
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| • admin • data protection • enterprise • data protect • solutions • database • reserve • server | • visoco • dump • master • adaptive • db tool • administrator • transaction |
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