Routine backup (archives) of the database and application setup is essential to ensure failover is smooth.
Backup is based on the server snapshot automatic backup and manual local backup in two ways, both of which have their own advantages and disadvantages, it is recommended to use together
IaaS provider have the “snapshot” function for Server, the snapshot is for the server disk. Snapshot tool can record the specified point in time the hard disk data, all backed up, and can achieve a key recovery.
If you have an automatic snapshot of the disk settings, the following scenes you can be more calm face:
- Work a few days of the results, was mistakenly deleted
- Hackers damage your site
- The content has been messed up
Done a snapshot backup, a key to restore to the backup point of time state. That is, on-site reduction, very good function.
Different cloud vendor snapshot settings slightly different, specific reference: