Features
BitReplica file backup tool is a good tool that can synchronize, incremental, differential backup and scheduled automatic backup. It is not only fully functional and easy to use, but the key point is that it is free. It can also back up multiple files and exclude files that are not backed up. There are also many backup methods to choose from. It also has a schedule backup function and automatic backup at a fixed time. If you want to save some money and need an easy-to-use file backup tool, BitReplica should be enough for general use.
How to back up computer data
Perform data backup. Back up the current system data to a specified disk (A: disk or B: disk) or a specific path (a directory on the hard disk C: or D: disk). It is mainly used for data storage or transplanting the current system data to other computers.
1. Back up the data to a floppy disk (this method is not recommended due to the small capacity of floppy disks and easy damage): Enter "Data Maintenance" of "Manage Main System", in the data option box (system settings library, etc.), select all databases that need to be backed up by turning on or off the database switch; When performing floppy disk backup, select a high-density floppy disk that has been formatted and of good quality, confirm that the "write protection" on the floppy disk is turned off, insert it into the floppy disk drive, select the corresponding drive letter "A:" or "B:" in the "Operation Path" option box, and click the "Backup" button to back up the selected database to the floppy disk. Take out the floppy disk, turn on "write protection", label it, and store it properly in a dry room temperature environment for later use; When backing up data to a floppy disk, the amount of data is too large to fit on one disk, so you should do the following: First, back up the basic information (system settings library, employee authority library, product code library, summary library, currency library, stores and warehouses, customer account library, products, combination templates, order printing templates) to a disk; If the amount of data in "documents for this period, order data, capital account database, and settled documents database" is not large, it can also be backed up to the previous disk; if the amount of data in "documents for this period, order data, fund account database, and settled documents database" is large (usually the amount of data for this period's documents or settled documents is large), it can be backed up in sections by date.
2. Back up data to the hard disk: The backup path can use the system default path or set the path by yourself. The method for users to set the path themselves is: Create a new folder on the D drive (or other hard disk) (for example: D: Wenhui), specifically as the backup path; Enter "Data Maintenance" of "Manage Main System", and in the data option box, select all databases that need to be backed up by turning on or off the database switch; You can use the system default path (...BACKUP) or directly enter a specified directory in the path bar (must be an existing directory such as: D: Wenhui), click the "Backup" button to back up the selected database content to the specified directory on the hard disk; if the selected database is: order database, current period document database, capital account database, closed document database, you can also turn on the "Date" switch to back up document records that limit the "start and end date" range. 3. Precautions: If the system prompts "backup path error" during the backup process, it means that the database to be backed up has an error and is not actually backed up. If this happens, it is recommended to perform file backup in "Windows Explorer"; During the process of backing up data to a floppy disk, if the system prompts "the disk space is full, please insert another disk", it means that the data volume of a certain database is too large. Even if another disk is inserted to continue the backup, the backed up data is unreliable, and it should be divided into several disks and backed up in time periods; It is recommended that users back up their data to a hard drive.
What are the common data backup methods?
Regular tape backup data, remote tape library, optical disk library backup. That is, the data is transferred to a remote backup center to make a complete backup tape or CD. Remote critical data + tape backup. Tapes are used to back up data, and the production machine sends key data to the backup machine in real time. Remote database backup is to create a copy of the main database on a backup machine that is separate from the production machine where the main database is located. Network data mirroring This method monitors and tracks updates to the database data of the production system and important target files that need to be tracked, and transmits the update logs to the backup system through the network in real time, and the backup system updates the disk based on the logs. Remote mirror disk extends the mirror disk to a place far away from the production machine through high-speed fiber channel lines and disk control technology. The mirror disk data is completely consistent with the main disk data, and the update method is synchronous or asynchronous.
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