Backup refers to making copies of data so that these additional copies may be used to restore the original after a data loss event.

Hot backup Edit

A hot backup or a live backup is one that's done while the files are being used. Unlike with a cold backup, you have to might have to either access or avoid running or locked files.

Methods Edit

  • Windows
    • To make a hot backup in Windows, you can make a shadow copy of a drive to have a read-only non-locked snapshot.
  • Oracle
  • Synchronization
    • Rsync - A tool which can synchronize the differences between two folders, even optimized to only transfer the differences if transferring between to machines running rsync
  • Cloning - Backup of an entire harddrive, including any OS on it (note that on restore Windows might return a BSOD, see Migrating Windows)
  • Applications
  • Centralized backup
    • With services like Amanda, backup multiple computers and systems to one backup server