Backup and Restore Practices for Sun Enterprise Servers by Stan Stringfellow

By Stan Stringfellow

Backup & restoration Practices for sunlight company Servers is a pragmatic consultant for IT firms tasked with imposing or revamping a backup/restore structure to serve contemporary high-volume, allotted software environments. Backup & fix Practices for solar firm Servers addresses matters similar to scalability and function of the backup/restore structure, standards for choosing instruments and applied sciences, and key tradeoffs to think about. The authors supply precise, real-world case reviews, a start-to-finish technique, instance runbooks, and entire technical instructions for making plans backup architectures that meet detailed provider degrees. For all method and community directors operating sunlight firm Servers.

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2. Use NetBackup to copy the data files to a compressed format on disk. 3. Re-enable the database, and run the redo logs to resynch the database. 4. Use NetBackup to back up the file systems (including the compressed database image) to tape. Note – It is crucial that consistency checks be performed on the data at regular intervals and, if possible, before a backup is done. Consistency checks verify that the metadata has not been corrupted and may prevent you from backing up corrupted data. Furthermore, consistency checks may help you isolate corrupted data at an early stage.

The FlashBackup feature makes it possible to take a quick snapshot of the ClearCase database so that it can be brought back online as soon as possible. TechEvolve finds that there is no need to use FlashBackup with Oracle databases, because Oracle provides the RMAN interface that TechEvolve uses extensively for hot database backups in their 24x7 environment. To obtain a coherent image of a database by using the raw dump obtained from FlashBackup, you must shut down the database before performing the backup (or in some other way obtain a static database image, such as splitting off a third mirror).

Note – It is crucial that consistency checks be performed on the data at regular intervals and, if possible, before a backup is done. Consistency checks verify that the metadata has not been corrupted and may prevent you from backing up corrupted data. Furthermore, consistency checks may help you isolate corrupted data at an early stage. However, to perform a consistency check you may need to take the database offline or unmount the file system. For databases, the database vendor provides tools to perform these consistency checks.

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