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cold backup

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- A cold backup, also called an offline backup, is a database backup when the database is offline and thus not accessible for updating. This is the safest way to back up because it avoids the risk of copying data that may be in the process of being updated. However, a cold backup involves downtime because users cannot use the database while it is being backed up.

When system downtime must be minimized, a hot backup can provide an alternative to the cold backup. A hot backup can be done even as users access the database, but some method must be used to ensure that data being updated is noted and can be copied when the update is complete.

Learn more about Data storage backup tools

Data backup and recovery FAQs: Check out our FAQs for information on a variety of topics from tape backup to data deduplication to CDP and more.
VMware and virtual data backup and recovery technology tutorial: In our tutorial on VMware and data backup, learn about new VMware data backup and recovery tools, VMware Consolidated Backup and more.
Remote site monitoring often missing from disaster recovery plan: After replicating data to a remote site at great cost, it's a good idea to actually check to see if it's all working before having to recover from a disaster.
Enterprise data storage performance monitoring goes beyond storage arrays: When monitoring performance of storage systems, storage management applications need to take host servers and the network into account as well as the disk arrays.
Storage configuration needs go beyond SRM tools: The only configuration tools for many IT organizations of all sizes remain the element managers that are built into their arrays and switches.

CONTRIBUTORS:	Douglas Malcolm
LAST UPDATED:	15 Aug 2005

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More resources from around the web:

-	Rene Nyffenegger describes how to make a cold backup in Oracle.
-	SearchOracle outlines options for backing up a database.

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